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1
Ponomarenko, O. L., and M. V. Shulman. "Influence of seasonal climatic factors on the dynamics of birds interactions with oaks consortia." Ecology and Noospherology 30, no. 2 (November 22, 2019): 85–94. http://dx.doi.org/10.15421/031915.
Abstract:
The article is devoted to the bird communities in individual oak consortia (Quercus robur L.) of the linden-ash oak forests. This work material was collected during different seasons of the 2004–2010 years in a linden-ash oak grove on the test plot No. 209 of the ecological profile of the NSC «Bel'gard Prisamar`e International Biospheric stationary», Novomoskovsk district, Dnepropetrovsk region. The individual consortia of 281 examples of three age conditions oak trees (virgins – virg, young generative – gl, mature and old generative individuals – g2–g3) has been investigated. The daily time budget decreases by 2–2,5 times in autumn for all oak ages that have been studied. But the number of consort birds is reduced by 2 times only for virgin and old generative oaks. The young generative oak is attractive enough for birds in autumn. The ratio of the trophic and topical share interactions for all trees ages does not change significantly in autumn. Birds don’t interact with the virgin oak in winter practically. This age oak can’t propose enough food or places for birds’ protection from predators. Oaks in age g1–g3, on the contrary, are in demand by the birds. There 7 birds species on g1 oaks and 13 species on g2–g3 oaks were recorded in winter. The birds’ daily time buds for the one oak example are low in winter, and by the 90 times reduce compared with the summer. The bird time budget basis in winter are the trophic interactions. The birds’ activity on oak sharply increases in spring and exceeds 1,5–2 times the summer parameters on virgin and mature generative oak (g2–g3). Birds on oak spend most of their time on topical interactions during this season because of the oak important role in the birds reproduction. On the other hand, the young generative oak (g1) is not in demand by the birds in spring because of insufficient crown density and the oaks of this age location at the edge. The number of bird species on oak in spring is less than in summer due to the late onset of leaf blooming on the oak. A significant part of the birds’ activity in the spring moves to the lower tier of the forest because of the earlier vegetation beginning. As a result of the research, it was revealed that the consorting groups of common oak throughout the year retain the main features of their organization. The virgin oak is characterized by a stochastic nature of the birds interaction with the consortium core and almost hasn’t obligate consort birds. Young generative oak is actively forming a trophic relations system with consorts due to intensive linear growth. At this age, first of all, general indicators are formed – time and mass budgets. The consortium of mature and old generative oak has a significantly larger number of bird species consorts and their interactions diversity with the tree. This can help to increase the stability of consorting groups. In most cases in the oak consortium the trophic component of the consortium form earlier then the topical. The specific location of the virgin and young generative oak at the lit positions in the lime-ash oak forests influences the oak consortia formation in a considerable scale. The number of types of interactions between the consort and the autotroph is the most effective indicator, which shows a high level of the consortium development. The stability of consortial relations between birds and English oak grows throughout the year from virgin oak to mature and old generative. The virgin oak unstable consorting groups have fluctuations of the species number during the year up to 100 % (the number of consort species in summer was chosen as the initial value). The consortia species composition fluctuations reach 81,82 % for young generative oak, and 59,26 % – for mature and old generative oak. The mature and old generative oak consortia attract seasonal bird species that replace each other throughout the year more actively. This ensures the stability of year-round control of phytophage populations.
2
Gaychenko, Vitaly, Tatiana Shupova, and Volodymyr Illienko. "Bird’s Consortium Ties with Parthenocissus inserta (A. Kern.) Fritsch., 1922 on the Example of Forest Parks and City Phytocenoses in Kyiv City (Ukraine)." Ekológia (Bratislava) 42, no. 4 (December 1, 2023): 362–70. http://dx.doi.org/10.2478/eko-2023-0041.
Abstract:
Abstract Parthenocissus inserta (A. Kern.) Fritsch. adapts to living in the forests of Ukraine. The influence of P. inserta on native species and its consortial ties with representatives of the secondary ranges biota, in particular birds, has not been studied. The purpose of this study is to make an inventory of the consorts’ ornithocomplexes of P. inserta, to give a comparative analysis of topic and trophic consorts as a result of an introduced species’ participation in the transformation of habitat’s conditions. The material was collected from 2019 to 2022 in forest parks and urban green spaces of the Kyiv city. The bird distribution was determined by the standard method of counting birds at points. Exactly 12.2 ha of P. inserta plantations were surveyed. Trophic consortium relationships of P. inserta with 32 bird species and topic ones with six bird species were revealed. The species composition of consorts was higher in forest fragments than in urban plantations (26 and 21 species, respectively). In the ornithocomplexes of P. inserta consorts in forest biotopes, there was a smaller pressure of dominant species and a more evenly ranked distribution of species by abundance than in urbanized ones. The similarity of the consort’s species composition in urbanized and natural biotopes according to the Sorensen index was 0.64, in consorts 1 and 2 of the consortium concentres was 0.32, and in topic and trophic consorts was 0.27. According to the status of stay in the region, trophic consorts of P. inserta were mainly resident birds – 20 species (62.50%), wintering birds – six species (18.75%), and birds migrating through the region – six species of birds (18.75%). Among the topic consorts, there were four species of sedentary species and two species arriving for nesting. Principal component analysis revealed the largest positive relationship between P. inserta planting area and the number of consort bird species nesting (0.999) and feeding (0.889) on girlish vine plants. We predict that in the future, P. inserta will be more strongly woven into the matter cycle of the secondary range ecosystems. The study of consortial relationships between invasive plants and birds, taking into account the knowledge of the ecological characteristics of consort birds, will make it possible to more effectively prevent the spread of plants into natural biotopes.
3
Ponomarenko, O. L., and O. A. Reva. "Influence of seasonal climatic factors on the dynamics of birds interactions with maples consortia." Питання степового лісознавства та лісової рекультивації земель 48 (November 9, 2019): 67–80. http://dx.doi.org/10.15421/441907.
Abstract:
The article is devoted to the bird communities in individual maple consortia (Acer campestre). This work material has been collected during different seasons of 2004‒2010 years in the linden-ash oak grove on the test plot No. 209 of NSC «Bel'gard Prisamar`e International Biospheric stationary» ecological profile, Novomoskovsk district, Dnepropetrovsk region. The individual consortia of 214 examples of three age conditions maple trees (virgins – virg, young generative – gl, mature and old generative individuals– g2–g3) has been investigated. Some bird species daily time budget (DTB) per autotroph exampl on average has been the basic parameter for the birds’ participation in the consortia functioning assessment. The maple consortia communities have been revealed in the result of investigation to be the basic for the oak birds. Non-forest birds species almost have not appeared in them, which differs them from the consortia of the oak forests edificators, for instance, oak. Field maple attracts birds in the cold seasons because of its participation in the forest stand formation and of its ontogenesis course. Field maple seeds remain on the tree during the autumn and winter and support the birds vital activity in this period, unlike oak. The total birds’ activity in the trees decreases significantly in the fall. But such situation is observed in autumn only on virg maple. Maples g1, g2–g3, on the contrary, attract birds in autumn more than in summer. There are more DTB birds on these maples in autumn than in summer, because of the late leaf falling and numerous fruits availability. Birds eat actively phytophages on maple fruits. The autumn community of wild maple birds aged g2–g3 is the most active on DTB index. On the other hand, the species composition on generative maples decreases two to three times in comparison with summer. In winter the birds DTB activity on maple decreases by 15–20 times, because of the wintering birds migration to the settlements. Very few birds remain in the oak forest in winter. But the birds wintering in the oak forest species composition is quite diverse, which affects the birds’ species composition of the maple consortiums in winter. It is more diverse than in the fall. Mistletoe infects maple quite often and its fruits also attract birds to the maple consort in winter. As a result, the birds DTB index on old generative maples is higher than on oak this time of year. The birds’ species composition in g2–g3 maple consortiums is represented by 14 species in winter. This figure is 2.5 times more than in autumn. The virgin maple consortium has a high birds DTB index in spring. The main reasons are – this tree vegetation early start and the dense thickets formation of this tree young growth. As a result, the virgin maple has a diverse trophic base for birds in the spring. This consortium is comparable with the consortium of g1maple in the birds’ species composition and exceeds it in the DTB index. The time budget of birds’ trophic interactions is 75% of the total DTB in the maple consort at the age of virg. The time budget of the bird topical interactions is 80% of the total DTB in the g1 maple consortium. The birds almost do not hunt on this age maples, but show a variety of behavioral activity. The birds’ community in the g2–g3 age maple consort is very diverse in spring and yield in to that only in old generative oak. The time budget of the birds’ topical interactions is 75% of the total DTB in the g2–g3 maple consortium. Thus, birds use g2–g3 maple in spring mainly for singing, resting, cleaning feathers, mating games, etc., rather than feeding.
4
Senthil, V., and M. Madhusudhan. "DRDO E-Journal Consortium in Defence Science and Technology." DESIDOC Journal of Library & Information Technology 38, no. 1 (January 2, 2018): 16. http://dx.doi.org/10.14429/djlit.37.4.11444.
Abstract:
<p>Defence Research and Development Organisation (DRDO) E-Journal Consortium is one of the important consortiums among other consortia existing in India. It covers multi-disciplinary subject areas to fulfill the information needs of DRDO scientific community. This paper tries to evaluate the implementation of DRDO e-journals, coverage of publishers and titles, subject-wise distribution of titles among DRDO laboratories, need of e-journal consortium among the labs, and expenditure details along with yearly growth. This is one of the unique consortiums implemented that is based on subscription model.The study also highlights the usage of e- journals publisher-wise in the consortium and would be helpful in efficient collection development policy of e-journals.</p>
5
Ayre, Lori. "The Holy Grail of Library Automation: The Shared Library System." Collaborative Librarianship 7, no. 1 (2015): 42–43. http://dx.doi.org/10.29087/2015.7.1.09.
Abstract:
Over the last year, I’ve been working closely with consortia in my home state of California. I’ve participated in something of a “listening tour” to hear what is working and what isn’t working at the consortial level and to find out what they really need that the consortium could provide.
6
Liu, Guoying, and Ping Fu. "Shared Next Generation ILSs and Academic Library Consortia: Trends, Opportunities and Challenges." International Journal of Librarianship 3, no. 2 (December 21, 2018): 53. http://dx.doi.org/10.23974/ijol.2018.vol3.2.94.
Abstract:
Next generation Integrated Library Systems (ILSs) have been maturing and adopted by more and more academic libraries. Many academic libraries have joined a consortium to collaboratively move towards a shared next generation ILS that sustains a deeper collaboration. Has this been a trend for academic libraries to share the new system in consortia? This article examines the adoption of the leading products in next generation ILSs to reveal the trend. Two case studies are conducted on A) a pioneer consortial adopter and B) a newly formed partnership on shared next generation ILSs, for further investigations on the impact on consortial members, the challenges the new shared system may cause, and the opportunities it brings to academic library consortia and their members.
7
Zakaria Ahmed and Shuranjan Sarkar. "Microbial consortium: A new approach in jute retting of preserved dry ribbons." International Journal of Life Science Research Updates 4, no. 1 (August 30, 2022): 126–37. http://dx.doi.org/10.53430/ijsru.2022.4.1.0106.
Abstract:
The present research was taken to formulate bacterial consortium as whole cell biocatalyst for retting of dry jute ribbons. The bacteria were obtained from different sources of jute retting water, enriched on nutrient broth medium. Microbial consortium was constructed from 7 (seven) selected isolated bacteria to become 7 (seven) combination culture which exhibited remarkable retting efficacy due to the induction of different enzymes activities. The enzymatic as well as biochemical activity of these bacteria were tested. The strains were selected based on the criteria that they were able to display good zone of inhibition. Formulations showed good potential as candidates for microbial consortium. In the two combination treatment with water (5 ml), microbial consortia of (10DTW2b+OMPW4b), (10DTW2b+4DTW7b) and (OMEW4b+10DTW2b) were found better for all the cases. Again, in three combinations treatment with water (5 ml d.H2O), fineness, brightness and smoothness/softness, all were found higher in microbial consortia of (3PRRF5b+4DTF1b+10DTW2b), which is a unique findings. This research is on-going and need to optimize these consortiums with different parameters and also carry out retting analysis.
8
Miura, Grégory. "Un consortium, des consortia." Consortia et réseaux de bibliothèques, no. 82 (April 1, 2016): 6. http://dx.doi.org/10.35562/arabesques.681.
9
Wiser, James. "“Playing Well With Others”: New Opportunities for Library Consortia." Theological Librarianship 5, no. 2 (May 31, 2012): 43–47. http://dx.doi.org/10.31046/tl.v5i2.237.
Abstract:
Libraries everywhere are facing a complex array of budget cuts, staff retirements, technological disruption, etc. Many libraries may feel that they do not possess the organizational strength they once enjoyed, and as a result, an increasing number are seeking out ways to collaborate with fellow institutions in order to serve their stakeholders more effectively. The library consortium landscape, however, is rather confusing, and an almost endless series of acronyms reflect the array of options for consortial participation. This article attempts to describe the various kinds of library consortia that currently serve libraries, and offers suggestions on how and when to leverage the collective power of a library consortium in order to maximize the efforts of any single library..
10
El Hajj, Taghreed, Neele Wiltgen Georgi, Susie Crossman, Nadia Tagoe, and Imelda Bates. "How research consortia can contribute to improvements in PhD students’ research environment and progress in sub-Saharan African countries." F1000Research 13 (March 28, 2024): 238. http://dx.doi.org/10.12688/f1000research.144883.1.
Abstract:
Background The Africa Capacity Building Initiative (ACBI) programme aimed to ‘strengthen the research and training capacity of higher education institutions and support the development of individual scientists in sub-Saharan Africa through UK-Africa research collaborations’ including by funding PhD studentships. We conducted research to understand students’ experiences and to see how consortia-based programmes such as ACBI and their own institutions can enhance PhD students’ research environment and progress. Methods In-depth interviews with 35 ACBI-funded PhD students explored their perspectives about how their research and personal development benefitted from belonging to a research consortium. Questionnaires were used to corroborate interview findings. Results Students recognised that membership of a research consortium provided many benefits compared to less well-resourced peers. By drawing on the programme and consortiums’ resources, they were often able to overcome some limitations in their own institution’s systems and facilities. Through their consortia they could access a wide range of international expertise and support from mentors and colleagues for their technical and psychosocial needs. Multiple consortia opportunities for engaging with the international scientific community and for networking, gave them confidence and motivation and enhanced their career prospects. Conclusion Our study and its recommendations highlight how the breadth and diversity of resources available to PhD students through research consortia can be harnessed to facilitate students’ progress and to create a supportive and conducive research environment. It also underlines how, through a multi-level approach, consortia can contribute to longer-term improvements in institutional research environments for PhD students.
11
Y. KAVYA, N. TRIMURTULU, A.VIJAYA GOPAL, P. MADHU VANI, and N. V. V. S. D. PRASAD. "SCREENING OF MICROBIAL CONSORTIA AGAINST SORGHUM CULTIVARS." Asian Journal of Microbiology, Biotechnology & Environmental Sciences 25, no. 04 (2023): 748–55. http://dx.doi.org/10.53550/ajmbes.2023.v25i04.026.
Abstract:
The study was conducted at ARS, Amaravathi, Guntur district, Andhra Pradesh, to find the efficiency of different microbial consortia by screening them against sorghum cultivars viz., variety (CSV27) and hybrid (CSH-25). Microbial Consortium 1 (Azotobacter, PSB, KRB, ZnSB and PGP isolate), Microbial Consortium 2 (Azospirillium, PSB, KRB, ZnSB and PGP isolate) and Microbial Consortium 3 (Azotobacter, Azospirillium, PSB, KRB, ZnSB and PGP isolate) were formulated. Variety (CSV-27) and hybrid (CSH-25) of sorghum were used for screening the three types of microbial consortia. CSV-27 was more responsive to three types of microbial consortia compared to control. But for CSH-25 there was no much difference between the microbial consortia inoculated treatments and control. So CSV-27 was used for further pot and field experiments. MC3 and MC2 performed better than MC1 . Plant height, shoot dry weight, root dry weight, PGPR population of microbial consortia, available nutrient content and nutrient uptake of CSV-27 and CSH25 were significantly highest in T4 (Microbial Consortium -3) followed by T3 (Microbial Consortium -2), T2 (Microbial Consortium -1). So Microbial Consortium -2 and Microbial Consortium -3 were screened as comparatively better and utilized for further experiments
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Maria Balenbin Fresnido, Ana, and Joseph Marmol Yap. "Academic library consortia in the Philippines: hanging in the balance." Library Management 35, no. 1/2 (January 7, 2014): 15–36. http://dx.doi.org/10.1108/lm-04-2013-0028.
Abstract:
Purpose – The concept of academic library consortium emerged in the Philippines in the 1970s evidenced by the successive establishment of three consortia namely, the Academic Libraries Book Acquisition Services Association (ALBASA) in 1973, the Inter-Institutional Consortium (IIC) (now South Manila Inter-Institutional Consortium) in 1974, and the Mendiola Consortium (MC) in 1975. This paper aims to find out the experiences and status of selected academic library consortia in the Philippines, namely, the Academic Libraries Book Acquisitions Systems Association, Inc. (ALBASA), the American Corners (also known as American Studies Resource Center (ASRC) in some areas), the Aurora Boulevard Consortium Libraries, Inc. (ABC), the Davao Colleges and University Network (DACUN), the Inter University Consortium (IUC), the Intramuros Library Consortium (ILC), the Mendiola Consortium (MC), the Ortigas Center Library Consortium (OCLC), and the South Manila Inter institutional Consortium (SMI-IC) specifically in terms of the objectives of the different consortia, the activities they undertake and how such relate to the set objectives, the benefits they have enjoyed or continue to enjoy, the issues they have encountered as well as success/failure factors experienced by libraries in joining the different consortia. Design/methodology/approach – The sample was derived from the review of literature, which also served as basis to come up with the list of existing academic library consortia. The respondents were selected based on the Philippine Association of Academic and Research Librarians (PAARL) directory. Communication was sent via email, telephone, scheduled personal interview and social networking sites (e.g. Facebook). A total of 13 out of 23 (56.52 percent) respondents accomplished the survey questionnaires which were distributed online and manually. Descriptive statistics was used to analyze the results. Findings – Results of the study revealed that the role academic library consortia play in the development of academic libraries is crucial particularly in the promotion of professional development and resource sharing. As technology greatly influences the way libraries do things, the varying level of technological development among consortium member libraries confirmed to be a major challenge being faced by them today. While majority of the surveyed consortia assessed themselves to be successful, it is evident that there is lack of congruence between the consortia's objectives and undertakings. Originality/value – The paper is a modest contribution to the dearth of literature in Philippine academic library consortia. It also is the first study conducted measuring the success of selected academic consortia and identifying the factors contributing to their success/failure.
13
Qiu, Tian Lei, Xiao Hong Sun, Xu Ming Wang, Mei Lin Han, Lei Cheng, and Yu Deng. "Bioaugmentation for Biomass Production at Low Temperature Using Enriched Psychroactive Methanogenic Consortia." Advanced Materials Research 183-185 (January 2011): 1472–75. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.1472.
Abstract:
Biogas fermentation is always limited or affected at low temperature conditions, one of key factors may be physiological adaption of methanogenic communities to low temperature. Howerer, biogas process could be stimulated and enhanced with addition of enriched consortia. Here, six psychroactive methanogenic consortiums were enriched as additives, and consortium E-1 was found to be most effective at 150C. The total biogas production addition with E-1 improved 39.3 % and 17.0% from pig manure and cow manure, respectively, when decreasing from 210C to 150C, which is a potential microbial addition for biogas fermentation at low temperature.
14
Mohd, Hafsah, Rosnah Yusof, and Rohaya Umar. "Initiatives towards formation of academic library consortium in Malaysia." Library Management 35, no. 1/2 (January 7, 2014): 102–10. http://dx.doi.org/10.1108/lm-06-2013-0046.
Abstract:
Purpose – This paper aims to report on several initiatives towards formation of national consortium among academic libraries in Malaysia. The consortium focused on subscription of online databases. Design/methodology/approach – In July 2004, CDC on behalf of PERPUN members made several initiatives towards formation of national consortium of Malaysian academic libraries. Proposal paper on the formation of the consortium has been submitted to the Ministry of Higher Education. Through “loose consortia” formed, CDC and later known as Malaysian Online E-Resources Consortium (MOLEC) succeeded in negotiating for subscription of online databases and was able to get financial aid from the Ministry of Education to subscribe several databases since 2002. Findings – A commercial databases committee (CDC) was formed in year 2000 as a platform for academic libraries to evaluate, select, negotiate and manage the online databases. Complications involved in online databases subscriptions such as cost increase, license agreement, various formats of usage statistics, merger and takeover of publishers have made PERPUN (Malaysian Standing Conference of National and University Libraries) realize that there is a need for a formal consortium to be formed. Research limitations/implications – An improved service was established for the benefit of the academic libraries in Malaysia. Practical implications – A more coordinated approach to consortial dealings is being established in Malaysia. Originality/value – This is a report on the process and outcomes.
15
Branstetter, Lee G., and Mariko Sakakibara. "When Do Research Consortia Work Well and Why? Evidence from Japanese Panel Data." American Economic Review 92, no. 1 (February 1, 2002): 143–59. http://dx.doi.org/10.1257/000282802760015649.
Abstract:
We examine the impact of a large number of Japanese government-sponsored research consortia on the research productivity of participating firms by measuring their patenting in the targeted technologies before, during, and after participation. Consistent with the predictions of the theoretical literature on research consortia, we find consortium outcomes are positively associated with the level of potential R&D spillovers within the consortium and (weakly) negatively associated with the degree of product market competition among consortium members. Furthermore, our evidence suggests that consortia are most effective when they focus on basic research.
16
Tagoe, Nadia, Sassy Molyneux, Justin Pulford, and Sam Kinyanjui. "Consortium management structures, processes, and approaches: The DELTAS Africa example." Wellcome Open Research 7 (April 21, 2022): 139. http://dx.doi.org/10.12688/wellcomeopenres.17721.1.
Abstract:
Background: Global efforts to strengthen health research capacity in low- and middle-income countries (LMICs) have intensified in the past few decades, and these efforts are often implemented by consortia. Our review of the literature indicated that reports on health research capacity strengthening (HRCS) consortia have primarily focused on programme outputs and outcomes while management processes and their contributions to consortia goals have received little attention. This qualitative study sought to identify the consortium management processes employed by 10 DELTAS Africa consortia, factors influencing these processes, and leaders’ consortium management experiences. Methods: We conducted 24 key informant interviews with the directors and programme managers of all the 10 DELTAS Africa consortia, and funding actors who worked closely with the consortia. The interviews were supplemented by reviews of DELTAS and consortium-specific documents. Data were analysed using the content analysis approach. Results: The consortia studied employed similar management processes but adopted different strategies in executing these processes. Study results indicate that decision-making in consortia is not always a straightforward process as leaders were often faced with dilemmas when determining management strategies to adopt, and often tried to balance multiple factors which were not always aligned. This was demonstrated as consortia selected partners, determined goals and activities, assigned roles and responsibilities, allocated resources, established governance and partner management systems, and coordinated and monitored consortia activities. Factors that influenced the choice of processes and approaches included previous experiences, funders expectations, and the pressure to deliver research outputs. Consortia’s unique approaches to management were due to varying contexts and influences and indicate that management decisions are nuanced and cannot easily be formularized. Conclusion: The study has highlighted the importance of flexibility in consortium management and the need to generate research capacity strengthening (RCS)-specific guidance that can assist consortia in resolving dilemmas and making appropriate management decisions.
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Borysova, O. V. "Algal cultures as a model object of studding algal-bacterial communities (consortia)." Algologia 32, no. 2 (June 2022): 167–83. http://dx.doi.org/10.15407/alg32.02.167.
Abstract:
An information on the results of the microbiological analysis of xenic cultures of green (<i>Chlorophyta</i>) and charophytes (<i>Charophyta</i>) algae is given. Algal xenic cultures are regarded as communities (consortia) of heterogeneous organisms connected with each other by trophic and topic interactions and composed of a center nucleus (autotrophic algae of one species) and consorts (several species of heterotrophic bacteria). Twelve algal xenic cultures of freshwater (<i>Сhlorella vulgaris</i> Beij., <i>Coelastrum</i> <i>rugosum</i> (P.G. Richt.,<i> Tetradesmus dimorphus</i> (Turpin) M.J.Wynne) and aerophitic (<i>Klebsormidium flaccidum</i> (Kütz.) Silva, Mattox et Blackwell) algae from the collection of M.G. Kholodny Institute of Botany NAS of Ukraine were used in investigations. Each species was represented by three strains isolated in 1961–2018 years from the territories of Ukraine and other countries of Eurasia. Overall, 82 bacterial strains were isolated and identified according to some phenotypic (morphological, chemotaxonomic, physiological and chemical) features. The study revealed complexes of four types which consisted 7 species of bacterial consorts. A qualitative composition of complexes was the same in cultures (strains) of one certain algal species but strictly different in cultures of another algal species. Although, some bacterial species were found in several complexes of different type. It is evident a tight association the heterotrophic bacterial consorts with the autotrophic determinant of consortia and conforms the consortium character of algal-bacterial communities in general. It was proposed an express method based on the use of a numerical system for morphological evaluation of bacterial colonies in preliminary study peculiarities, features and functions of consortia.
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Babich, Olga, Stanislav Sukhikh, Lyubov Dyshlyuk, Olga Shishko, Irina Milentyeva, Alexander Prosekov, Valery Pavsky, Svetlana Ivanova, and Vyacheslav Dolganyuk. "Evaluation of Biocompatibility and Antagonistic Properties of Microorganisms Isolated from Natural Sources for Obtaining Biofertilizers Using Microalgae Hydrolysate." Microorganisms 9, no. 8 (August 4, 2021): 1667. http://dx.doi.org/10.3390/microorganisms9081667.
Abstract:
Determination of the biocompatibility of microorganisms isolated from natural sources (Kemerovo Oblast—Kuzbass) resulted in the creation of three microbial consortia based on the isolated strains: consortium I (Bacillus pumilus, Pediococcus damnosus, and Pediococcus pentosaceus), consortium II (Acetobacter aceti, Pseudomonas chlororaphis, and Streptomyces parvus), and consortium III (Amycolatopsis sacchari, Bacillus stearothermophilus; Streptomyces thermocarboxydus; and Streptomyces thermospinisporus). The nutrient media composition for the cultivation of each of the three studied microbial consortia, providing the maximum increase in biomass, was selected: consortium I, nutrient medium 11; consortium II, nutrient medium 13; for consortium III, nutrient medium 16. Consortia I and II microorganisms were cultured at 5–25 °C, and consortium III at 50–70 °C. Six types of psychrophilic microorganisms (P. pentosaceus, P. chlororaphis, P. damnosus, B. pumilus, A. aceti, and S. parvus) and four types of thermophilic microorganisms (B. stearothermophilus, S. thermocarboxydus, S. thermospinisporus, and A. sacchari) were found to have high antagonistic activity against the tested pathogenic strains (A. faecalis, B. cinerea, E. carotovora, P. aeruginosa, P. fluorescens, R. stolonifera, X. vesicatoria. pv. Vesicatoria, and E. aphidicola). The introduction of microalgae hydrolyzate increased the concentration of microorganisms by 5.23 times in consortium I, by 4.66 times in consortium II, by 6.6 times in consortium III. These data confirmed the efficiency (feasibility) of introducing microalgae hydrolyzate into the biofertilizer composition.
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Puspita Sari, Gracela Nanda, Arlyna B. Pustika, Chimayatus Solichah, Danar Wicaksono, Setyorini Widyayanti, Sudarmaji, and Kiki Yolanda. "The effect of antagonistic microbial and seed bulb-size on fusarium wilt and yield of shallot." E3S Web of Conferences 467 (2023): 01006. http://dx.doi.org/10.1051/e3sconf/202346701006.
Abstract:
The effort to suppress the development of fusarium wilt disease is by a consortium of antagonistic microbes. This study aimed to determine the effect of microbial consortium and bulb size on the development of fusarium wilt disease and the effect on plant resistance of small bulbs to fusarium wilt. This research was conducted on coastal land, Sri Gading Village, Sanden District, Bantul Regency. The experiment used a split-plot with 2 factors : seed treatment and bulb size with 8 treatments. The factors include K1U1: Consortia microbial and small bulbs, K1U2: Consortia microbial and medium bulbs, K1U3: Consortia microbial and big bulbs, K1U4: Consortia microbial and mixed bulbs, K2U1: Without consortia microbial and small bulbs, K2U2: Without consortia microbial and medium bulbs, K2U3: Without consortia microbial and big bulbs, K2U4: Without consortia microbial and mixed bulbs. Data were analyzed statistically SAS (Statistical Analysis System) ANOVA 5% and further tested with DMRT (Duncan's Multiple Distance Test) at the 5% level of significance. The percentage data which is not normally distributed are transformed to transformation arcsin√x. The results showed there was no interaction between the use of microbial consortium and bulb size on the development of fusarium wilt disease and yield of shallot. The giving of consortium antagonists could not increase plant resistance to fusarium wilt and yield. The decline in production is generally related to climate change which has an impact on increasing plant diseases. There is a need for cultivation adaptation in dealing with the effects of climate change.
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Kalwara, James, Melody Dale, and Marty Coleman. "Notes on Operations: GMD or No GMD: RDA Implementation for a Consortial Catalog." Library Resources & Technical Services 61, no. 3 (July 14, 2017): 162. http://dx.doi.org/10.5860/lrts.61n3.162.
Abstract:
This paper explores the benefits of establishing item-specific terms for General Material Designations (GMDs) for library consortia implementing Resource Description and Access (RDA). While RDA includes a new approach towards the description and categorization of an item’s physical medium through the assignment of content, media, and carrier types (CMCs), thus replacing the GMD, libraries may still benefit from GMD retention in their online catalogs to help support user tasks and help contextualize CMC information. This paper presents the challenges that Mississippi State University Libraries experienced in leading RDA enrichment for the Mississippi Library Partnership (MLP) consortium. Additionally, it discusses parameters for libraries to consider when working with a vendor for RDA enrichment in a consortial environment.
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Charalampous, Georgia, Efsevia Fragkou, Konstantinos A. Kormas, Alexandre B. De Menezes, Paraskevi N. Polymenakou, Nikos Pasadakis, Nicolas Kalogerakis, Eleftheria Antoniou, and Evangelia Gontikaki. "Comparison of Hydrocarbon-Degrading Consortia from Surface and Deep Waters of the Eastern Mediterranean Sea: Characterization and Degradation Potential." Energies 14, no. 8 (April 16, 2021): 2246. http://dx.doi.org/10.3390/en14082246.
Abstract:
The diversity and degradation capacity of hydrocarbon-degrading consortia from surface and deep waters of the Eastern Mediterranean Sea were studied in time-series experiments. Microcosms were set up in ONR7a medium at in situ temperatures of 25 °C and 14 °C for the Surface and Deep consortia, respectively, and crude oil as the sole source of carbon. The Deep consortium was additionally investigated at 25 °C to allow the direct comparison of the degradation rates to the Surface consortium. In total, ~50% of the alkanes and ~15% of the polycyclic aromatic hydrocarbons were degraded in all treatments by Day 24. Approximately ~95% of the total biodegradation by the Deep consortium took place within 6 days regardless of temperature, whereas comparable levels of degradation were reached on Day 12 by the Surface consortium. Both consortia were dominated by well-known hydrocarbon-degrading taxa. Temperature played a significant role in shaping the Deep consortia communities with Pseudomonas and Pseudoalteromonas dominating at 25 °C and Alcanivorax at 14 °C. Overall, the Deep consortium showed a higher efficiency for hydrocarbon degradation within the first week following contamination, which is critical in the case of oil spills, and thus merits further investigation for its exploitation in bioremediation technologies tailored to the Eastern Mediterranean Sea.
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Gut, Guilherme Alexandre Pacheco, João Virgínio Emerenciano Neto, Rodrigo da Silva Santos, Roseli Freire de Melo, Daniel Maia Nogueira, Gelson dos Santos Difante, Antonio Leandro Chaves Gurgel, and Ítalo Luís Oliveira Santana. "Intercrops of grass with legumes as green manure for agroecological systems." Australian Journal of Crop Science, no. 16(07):2022 (July 1, 2022): 922–27. http://dx.doi.org/10.21475/ajcs.22.16.07.p3597.
Abstract:
The stud article aimed to assess the accumulation and rates of nutrients in the biomass of the consortium of millet and leguminous plants for green fertilisation. The treatments were consortia of millet with four different leguminous plants: Cajanus cajan, Canavalia ensiformis, Mucuna aterrima, and Dolichos lablab. The treatments were distributed in a completely randomised design with four replications. The species of each consortium were planted in a line, at a distance of one metre apart. The aerial part of the plants was harvested after 90 days to determine the botanical composition, intercropping biomass, and the amount and accumulation of macronutrients in the biomass. The Millet mass did not differ among the consortia. However, among the legumes, M. aterrima has the highest mass (2806.31 kg/ha DM), which is reflected in the lower ratio of leguminous grasses in the millet consortium with M. aterrima (4.61). The consortia affected the rate and accumulation of P, B, and Fe. The biomass of the millet consortium with C. cajan presented the lowest rate. In addition, the accumulation of K, Mg, and Zn was low in this consortium. The biomass of millet intercrops with M. aterrima, D. lablab and C. ensiformis showed higher accumulations of K, Ca, and Mg. The highest accumulation of N was observed in the biomass of the consortium with M. aterrima (50.71 kg/ha). The rates and accumulations of Cu and Zn were higher in the consortium with M. aterrima. The consortium of millet with the leguminous plants is a sustainable alternative for fertilisation. The consortia with M. aterrima and D. lablab are the most promising ones, due to the higher proportion of plants.
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Milcic-Terzic, J., Y. Lopez-Vidal, M. M. Vrvic, and S. Saval. "Biodegradation potential assessment of microbial consortia isolated from a diesel-contaminated soil." Water Science and Technology 42, no. 5-6 (September 1, 2000): 403–6. http://dx.doi.org/10.2166/wst.2000.0541.
Abstract:
Diesel, toluene and naphthalene-degrading microbial consortia were isolated from a diesel-contaminated soil. The presence of catabolic genes, xylE and ndoB responsible for toluene/xylene and naphthalene biodegradation, respectively, were screened by PCR techniques in all microbial consortia. The diesel-consortium possessed both catabolic genes, the toluene-consortium only the xylE gene, while the naphthalene-consortium possessed only the ndoB gene. On the basis of these results, it was concluded that contaminated soil has indigenous microbes with a high natural potential for biodegradation.
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Machimbidza, Takawira, and Stephen Mutula. "Exploring experiences of librarians in Zimbabwean state universities with the consortium model of subscribing to electronic journals." Information Development 36, no. 2 (March 13, 2019): 193–207. http://dx.doi.org/10.1177/0266666919834055.
Abstract:
The study explores the experiences of librarians in three state universities in Zimbabwe with the consortium model of subscribing to electronic journals. The study employed a qualitative approach. Interviews were held with nine professional librarians from each of the participating institutions. Findings showed that state universities in Zimbabwe have benefitted from consortium subscribed electronic journals; however, librarians were concerned about their coverage and relevancy. Librarians felt disempowered as they have lost the independence to select resources suitable for their own institutions. The lack of archival rights is detrimental to post-termination access to previously subscribed resources. Institutions face challenges with technological infrastructure that allows them to convey consortium resources to their users. The study provides important insight into the practice of consortium from a developing country context. The findings will alert consortia managers and member institutions to the key shortfalls of consortia arrangements. The study’s recommendations hopefully triggers corrective actions aimed at improving the practice of consortia to the benefit of end users.
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Chisita, Collence Takaingenhamo, and Archie Dick. "Library cooperation in Zimbabwe: in search of a suitable model to underpin national development." Electronic Library 36, no. 4 (August 6, 2018): 633–49. http://dx.doi.org/10.1108/el-04-2017-0072.
Abstract:
PurposeThe paper explores library cooperation in Zimbabwe and gathers views from librarians on the need for a library consortium model to underpin national development. This study aims to investigate the development of library consortia in Zimbabwe and then propose a model that will both accelerate their development and support the country’s national development agenda.Design/methodology/approachThe paper opted for an investigative study using a multi-method research design. Data on existing library consortia, namely, Zimbabwe University Library Consortium (ZULC) and College and Research Library Consortium (CARLC), were collected through questionnaires and interviews. The data were complemented by documentary analysis including primary sources of information, for example, annual reports and brochures. Data were analysed qualitatively and quantitatively.FindingsThe paper provides empirical insights on how ZULC and CARLC are transforming the provision of library services in several ways, for example, providing for the dynamic needs of users and strategizing on overcoming rising costs of scholarly content through resource sharing. The proposed model effectively elevates the fundamental library consortium principles of cooperation and sharing onto the national development stage, and it is novel and pioneering. The gestures and general remarks made recently by Zimbabwe Library Association and some ZULC members about national development and ZIMASSET are given rigorous and scholarly expression in this model.Research limitations/implicationsBecause of the chosen research approach, the research results may lack generalisability beyond Zimbabwe. It is therefore imperative for researchers to test the proposed propositions further.Practical implicationsThe paper includes implications for the development of a library consortia model to underpin national development in Zimbabwe. The existing academic sector library consortium still excludes other types of libraries from participating in resource sharing and promoting access to information on a national development scale. The proposed library consortium model providing for nation-wide access to information is critical in realising national development goals in Zimbabwe. Currently, academic library consortia are contributing immensely through supporting learning, teaching and research in their respective institutions. Such benefits can also be extended to all institutions through a national library consortium to support development in Zimbabwe.Originality/valueThis paper fulfils an identified need to study how the development of a nation-wide library consortium model can be realised. There is relatively little researched information on library cooperation and library consortia and national development in Southern Africa with specific reference to Zimbabwe. The paper seeks to close the gap by providing information on library cooperation and library consortia and national development in Zimbabwe.
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Tagoe, Nadia, Justin Pulford, Sam Kinyanjui, and Sassy Molyneux. "A framework for managing health research capacity strengthening consortia: addressing tensions and enhancing capacity outcomes." BMJ Global Health 7, no. 10 (October 2022): e009472. http://dx.doi.org/10.1136/bmjgh-2022-009472.
Abstract:
There has been a steady increase in health research capacity strengthening (HRCS) consortia and programmes. However, their structures and management practices and the effect on the capacity strengthening outcomes have been underexamined. We conducted a case study involving three HRCS consortia where we critically examined the consortia’s decision-making processes, strategies for resolving management tensions and the potential implications for consortia outcomes. We conducted 44 in-depth interviews with a range of consortia members and employed the framework method to analyse the data. We assessed the extent to which consortia’s management practices and strategies enabled or hindered research capacity strengthening using a capacity development lens. At the heart of consortium management is how tensions are navigated and the resolution strategies adopted. This study demonstrates that the management strategies adopted by consortia have capacity strengthening consequences. When deciding on tension management strategies, trade-offs often occur, sometimes to the detriment of capacity strengthening aims. When management strategies align with capacity development principles, consortium management processes become capacity strengthening mechanisms for participating individuals and institutions. Such alignment enhances programme effectiveness and value for money. Drawing on these findings, we propose an evidence-informed management framework that consortia leaders can use in practice to support decision-making to optimise research capacity gains. Considering the increasing investment in HRCS consortia, leveraging all consortium processes towards capacity strengthening will maximise the returns on investments made.
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Seo, Ribin. "Interorganizational learning for R&D consortium performance: a social capital perspective." Journal of Knowledge Management 24, no. 2 (January 29, 2020): 395–414. http://dx.doi.org/10.1108/jkm-06-2019-0265.
Abstract:
Purpose How beneficial is interorganizational learning for research and development (R&D) consortium performance, and what factors drive the learning effectiveness? To answer these underexplored topics, this study aims to investigate the relationship between interorganizational learning and consortium performance and the moderating impact of social capital embedded in the consortia on the relationship. Design/methodology/approach Based on the literature review conducted, interorganizational learning is conceptualized as a multidimensional construct represented by exploitative and exploratory learning at the consortium level. R&D consortium performance is operationalized as a combination of technological and business performance, corresponding, respectively, to its collective outputs and individual outcomes. This study hypothesizes focusing on technological performance while analyzing business performance for the robustness check. Findings The hypotheses are tested in an original sample of 218 R&D consortium projects in which Korean ventures participated as focal partners. The results show that both exploitative and exploratory learnings are positively related to R&D consortium performance, and social capital accrued in the consortia leverages the advantages of exploratory learning for technological performance and exploitative learning for business performance. Originality/value This study adds new evidence to the literature, suggesting the performing-by-partnering mechanism of R&D consortia is contingent on the social capital that institutionalizes the common learning platform in which the partners interoperate. In practical respects, the combination of interorganizational learning and social capital deserves to be regarded as strategic elements for the value-cocreating consortia, requiring the true exchange of knowledge across partners.
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Protasov, A. A., V. I. Yurishinets, and I. A. Morozovskaya. "Consortium and Consortion Relations in Hydrobiocenoses." Hydrobiological Journal 46, no. 5 (2010): 3–16. http://dx.doi.org/10.1615/hydrobj.v46.i5.10.
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Sweet, Christopher, and Elizabeth C. Clarage. "Library consortia contributing to college affordability: collection and OER initiatives in the Consortium of Academic and Research Libraries in Illinois." Reference Services Review 48, no. 3 (July 17, 2020): 433–45. http://dx.doi.org/10.1108/rsr-03-2020-0014.
Abstract:
Purpose The Consortium of Academic and Research Libraries in Illinois (CARLI) consists of 128 libraries. This paper aims to present an analysis of collection and open educational resources (OER) initiatives undertaken by CARLI over the past decade that contribute to improving college affordability. Design/methodology/approach After reviewing important literature pertaining to library consortia and college affordability, this paper presents a detailed case study of CARLI’s collection and OER initiatives. Findings Owing to their economies of scale, library consortia have the potential to make substantial contributions to improving college affordability. Originality/value Compared to the efforts of individual libraries to improve college affordability, library consortium efforts have received far less attention in the professional literature. The work of the CARLI consortium documented here can provide a template for other library consortia that are working to improve college affordability.
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García, Mario, Gustavo Rosero, Liliana Cerda-Mejía, and Alma Koch Kaiser. "Establecimiento de un consorcio bacteriano nativo degradador de crudo Napo." Alimentos Ciencia e Ingeniería 29, no. 1 (October 4, 2022): 31–39. http://dx.doi.org/10.31243/aci.v29i1.1724.
Abstract:
Oil extraction activities are vulnerable to the occurrence of fortuitous environmental incidents that cause great deterioration of the native flora and fauna due to their exposure to petroleum hydrocarbons. Thus, there is an urgent need to efficiently eliminate the toxic oil components accumulated in the environment. Here, fifteen hydrocarbon-degrading bacterial consortia able to use Napo-crude oil as the only carbon source were isolated from soil samples. Of these, six consortia showed an oil biodegradation efficiency (%BE) that fluctuated between 20.12 to 27.98% after 22 days of incubation. The isolated consortia showed a significantly higher degradation efficiency compared to that of Pseudomonas aeruginosa and Bacillus cereus mixed culture (%BE = 9.37). The native consortium CPF-L5A, established from soil samples exposed for a long time to hydrocarbons, showed the highest crude biodegradation efficiency amongst the isolated consortia. Virtually, this consortium could totally remove the biodegradable fraction of Napo-crude oil in approximately 2.6 months. Therefore, the CPFL5A consortium is an excellent candidate to be used in the ex-situ treatment of oil-contaminated soils through the implementation of a bioaugmentation system.
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Primeia, Sandia, Chihiro Inoue, and Mei-Fang Chien. "Potential of Biosurfactants’ Production on Degrading Heavy Oil by Bacterial Consortia Obtained from Tsunami-Induced Oil-Spilled Beach Areas in Miyagi, Japan." Journal of Marine Science and Engineering 8, no. 8 (July 31, 2020): 577. http://dx.doi.org/10.3390/jmse8080577.
Abstract:
Bioremediation is one of the promising environment-friendly approaches to eliminate oil contamination. However, heavy oil is known to degrade slowly due to its hydrophobicity. Therefore, microorganisms capable of producing biosurfactants are gaining substantial interest because of their potential to alter hydrocarbon properties and thereby speed up the degradation process. In this study, six bacterial consortia were obtained from the oil-spilled beach areas in Miyagi, Japan, and all of which exhibited high potential in degrading heavy oil measured by gas chromatography with flame ionization detector (GC-FID). The polymerase chain reaction—denaturing gradient gel electrophoresis (PCR-DGGE) and next-generation sequencing (NGS) revealed that the diverse microbial community in each consortium changed with subculture and became stable with a few effective microorganisms after 15 generations. The total petroleum hydrocarbons (TPH) degradation ability of the consortia obtained from a former gas station (C1: 81%) and oil refinery company (C6: 79%) was higher than that of the consortia obtained from wastewater treatment plant (WWTP) (C3: 67%, and C5: 73%), indicating that bacteria present in C1 and C6 were historically exposed to petroleum hydrocarbons. Moreover, it was intriguing that the consortium C4, also obtained from WWTP, exhibited high TPH degradation ability (77%). The NGS results revealed that two bacteria, Achromobacter sp. and Ochrobactrum sp., occupied more than 99% of the consortium C4, while no Pseudomonas sp. was found in C4, though this bacterium was observed in other consortia and is also known to be a potential candidate for TPH degradation as reported by previous studies. In addition, the consortium C4 showed high biosurfactant-producing ability among the studied consortia. To date, no study has reported the TPH degradation by the combination of Achromobacter sp. and Ochrobactrum sp.; therefore, the consortium C4 provided an excellent opportunity to study the interaction of and biosurfactant production by these two bacteria during TPH degradation.
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VanderZanden, Amelia, Etienne V. Langlois, Abdul Ghaffar, Asaf Bitton, Jocelyn Fifield, and Lisa R. Hirschhorn. "It takes a community: a landscape analysis of global health research consortia." BMJ Global Health 4, Suppl 8 (August 2019): e001450. http://dx.doi.org/10.1136/bmjgh-2019-001450.
Abstract:
BackgroundThe increased recognition of the core role of effective primary healthcare has identified large gaps in the knowledge of components of high-quality primary healthcare systems and the need for resources positioned to better understand them. Research consortia are an effective approach to generate evidence needed to address knowledge and evidence gaps and accelerate change. However, the optimal design of consortia and guidance on design decisions is not well studied. We report on a landscape analysis to understand global health research consortium models and major design decisions that inform model choice.MethodsWe conducted a landscape analysis to identify health-related research consortia typologies and explore decision processes leading to their design and implementation. We identified and reviewed 195 research consortia, extracted data on organisation, characteristics and operations for 115 and conducted 14 key informant interviews representing 13 consortia. We analysed interviews using thematic content analysis using results to develop categories of major design choices and research consortia models, structures and processes.ResultsAcross a wide range of research consortia, the structure and function were determined by nine key design decisions that were mapped to three domains: scope: including mission and area of focus; organisational structure: including role and location of the core entity, choice of leader, governance and membership eligibility and responsibility; and funding decisions: including the funding source for research consortia operations and the funding sources and process for consortium research.DiscussionResearch consortia showed important heterogeneity across the nine decision points studied and based on their goals, needs and resources. These decisions and the three emerging domains (scope, organisation and funding) offer a potential framework for new research consortia and inform the design of a proposed primary health care research consortium intended to accelerate research to improve primary health care in LMICs.
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Ma, Jing, Shao Liang Zhang, Jun Feng Qu, Ai Hua Yan, and Fu Chen. "Development of Bacterial Consortia and Biodegradation Ability under Different PAH Stresses." Advanced Materials Research 1073-1076 (December 2014): 176–82. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.176.
Abstract:
The aims of the present work were simulating actual environmental pollution to select and compare the bacterial communities under different environmental stresses such as phenanthrene and pyrene. Two bacterial consortia named as Phe consortium and Pyr consortium were enriched from activated sludge obtained from a wastewater treatment plant. The PCR-DGGE analysis showed that the original active sludge harbored abundantly diverse PAH-degrading bacteria at first, then under different environmental pressures the consortium species tended to be concentrated and had species structure differences. In addition, the abilities of the two bacterial consortia to remediate a mixture of 4 PAHs (50 mg Kg-1 each) in soil were studied. Of the 4 PAHs, greater than 80% of the fluorene and phenanthrene in soil were removed by the Phe consortium in just 7-days respectively; whereas the Pyr-consortium could degrade over 60% of anthracene and pyrene.
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Bondarev, I. P., and N. K. Revkov. "Consorts of gastropod Rapana venosa (Valenciennes, 1846) in the Northern Black Sea. Part III: Mollusca (Gastropoda)." Marine Biological Journal 3, no. 1 (March 23, 2018): 23–34. http://dx.doi.org/10.21072/mbj.2018.03.1.03.
Abstract:
This work is a continuation of a series of descriptions of the taxonomic composition of the consort community of Rapana venosa. The shell of the large invasive gastropod R. venosa, which occupies the ecological niche of the terminal predator in benthic community, is simultaneously an attractive substrate for various hydrobionts – fouling and associated mobile forms, one of which is small gastropod mollusks. The latter are poorly explored and accounted for in the R. venosa consortium. The study of this group of hydrobionts in the composition of epibionts of rapana was carried out on the material obtained in 7 regions of the northern part of the Black Sea: 1 – Mamaya, coast of Romania; 2 – NW Crimean coast, Tarkhankut area; 3 – SW coast of Crimea, Sevastopol; 4 – Southern coast of Crimea, Alupka; 5 – Southern coast of Crimea, Yalta – Alushta; 6 – SE coast of Crimea, Karadag; 7 – Kerch Strait. Sampling of rapa-whelk in the coastal zone up to a depth of 15 m was carried out using light water diving equipment, in the deeper zone (up to 40 m), the “Ocean-50” bottom grabber was used from the board of the RV “Professor Vodyanitsky”. Gastropods as consorts of rapa-whelk were found predominantly in reg. 3, where in the summer – autumn season 2015–2017 the most detailed works were carried out and about 90 % of the material was sampled (1100 of 1216 R. venosa specimens). It was found that gastropods in the consortia of rapana were represented by 14 species of 9 genera of 6 families, 7 species of them with egg laying. The gastropods were observed in the consortium of R. venosa mainly in the epiphyton community of algal fouling of the shell, where the mollusc-consorts can form significant clusters – more than 60 individuals. Directly on the shell of the rapa-whelk, the gastropods were found singly or in small groups – from 2–5 to 10 individuals. The most numerous and often occurring (up to 25 %) gastropod species in the consortium of R. venosa was Bittium reticulatum (Cerithiidae). Less numerous were Tricolia pullus (Phasianellidae) (5–10 %, in Kazachya Bay – up to 25 %) and Rissoa splendida (Rissoidae) (the occurrence on the average was about 10 %). The remaining species were observed singly. The highest species diversity and abundance of gastropods were recorded at the depth of 4–10 m in the consortium of loose soils R. venosa ecomorph – 14 species; on the rocky ecomorph of rapa-whelk inhabiting the zone of more intensive hydrodynamics – only 2 species. Our research demonstrates that the ecological role of the invasive species of the Black Sea fauna, R. venosa, is not limited to be a predation. In particular, it contributes to reproduction, development and resettlement of other gastropod species. In the biotope of loose soils, where the there is a deficit of the solid substrate necessary for reproduction of many species of hydrobionts, including gastropods, R. venosa is “oasis” increasing the biological diversity of the benthos as a whole.
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Maoz, Ariel, Ralf Mayr, and Siegfried Scherer. "Temporal Stability and Biodiversity of Two Complex Antilisterial Cheese-Ripening Microbial Consortia." Applied and Environmental Microbiology 69, no. 7 (July 2003): 4012–18. http://dx.doi.org/10.1128/aem.69.7.4012-4018.2003.
Abstract:
ABSTRACT The temporal stability and diversity of bacterial species composition as well as the antilisterial potential of two different, complex, and undefined microbial consortia from red-smear soft cheeses were investigated. Samples were collected twice, at 6-month intervals, from each of two food producers, and a total of 400 bacterial isolates were identified by Fourier-transform infrared spectroscopy and 16S ribosomal DNA sequence analysis. Coryneform bacteria represented the majority of the isolates, with certain species being predominant. In addition, Marinolactobacillus psychrotolerans, Halomonas venusta, Halomonas variabilis, Halomonas sp. (106 to 107 CFU per g of smear), and an unknown, gram-positive bacterium (107 to 108 CFU per g of smear) are described for the first time in such a consortium. The species composition of one consortium was quite stable over 6 months, but the other consortium revealed less diversity of coryneform species as well as less stability. While the first consortium had a stable, extraordinarily high antilisterial potential in situ, the antilisterial activity of the second consortium was lower and decreased with time. The cause for the antilisterial activity of the two consortia remained unknown but is not due to the secretion of soluble, inhibitory substances by the individual components of the consortium. Our data indicate that the stability over time and a potential antilisterial activity are individual characteristics of the ripening consortia which can be monitored and used for safe food production without artificial preservatives.
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Tam, N. F. Y., C. L. Guo, C. Yau, L. Ke, and Y. S. Wong. "Biodegradation of polycyclic aromatic hydrocarbons (PAHs) by microbial consortia enriched from mangrove sediments." Water Science and Technology 48, no. 8 (November 1, 2003): 177–83. http://dx.doi.org/10.2166/wst.2003.0467.
Abstract:
Surface sediments from two mangrove swamps in Hong Kong were enriched to obtain PAH-degrading microbial consortia. The consortium from sediments enriched with phenanthrene (Phe) in Ma Wan, a mangrove swamp next to a boat anchorage, was effective in degrading PAH with 96.7% and 89.9% Phe degradation at 0 and 10 ppt salinities, respectively. The Phe-enriched microbial consortium could also use pyrene (Pyr) as the sole carbon source but the degradation was much less (around 15%). On the other hand, the Phe-enriched consortium from sediments in Yi O, a mangrove swamp recently polluted by an oil spill, completely removed Phe and Pyr at both 0 and 10 ppt salinities. This suggests that different consortia were selected in two sediments using the same PAH substrate. Not only sediments, PAH substrate used for enrichment also selected different consortia. The Pyr- and Fla-enriched Yi O consortia only achieved 10.5 and 4.5% Phe degradation, respectively and the corresponding pyrene degradation was 7 and 40%. Among the three PAH compounds, fluoranthene (Fla) was most difficult to degrade, and 21.1, 11.3, and 36.8% Fla were degraded by Phe-, Fla- and Pyr-enriched cultures, respectively.
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Preena, P. G., Cini Achuthan, V. J. Rejish Kumar, R. Boobal, G. D. Deepa, Jayesh Puthumana, Sunitha Poulose, I. S. Surekhamol, and I. S. Bright Singh. "Community composition of marine and brackish water ammonia-oxidizing consortia developed for aquaculture application." Water Science and Technology 79, no. 5 (January 18, 2019): 1017–28. http://dx.doi.org/10.2166/wst.2019.029.
Abstract:
Abstract To mitigate the toxicity of ammonia in aquaculture systems, marine and brackish water ammonia-oxidizing bacterial consortia have been developed and are used for activation of nitrifying bioreactors integrated to recirculating aquaculture systems. To shed more light on to these biological entities, diversity of both the consortia were analyzed based on random cloning of 16S rRNA gene and ammonia-oxidizing bacterial specific amoA gene sequences. The dendrograms of representative clones on the basis of amplified ribosomal DNA restriction analysis generated 22 and 19 clusters for marine and brackish water nitrifying consortia, respectively. Phylogenetic analysis demonstrated the presence of various autotrophic nitrifiers belonging to α-, β- and γ-Proteobacteria, anaerobic ammonia oxidizers, heterotrophic denitrifiers, Bacteroidetes, and Actinobacteria. Distribution patterns of the organisms within the two consortia were determined using the software Geneious and diversity indices were investigated using Mega 5.0, VITCOMIC and Primer 7. The abundance of ammonia oxidizers was found in the order of 2.21 ± 0.25 × 109 copies/g wet weight of marine consortium and 6.20 ± 0.23 × 107 copies/g of brackish water consortium. Besides, marine ammonia-oxidizing consortium exhibited higher mean population diversity and Shannon Wiener diversity than the brackish water counterparts.
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Masurkar, Snehal, and Girish R. Pathade. "Microbial Consortia Preparation for Amylase, Protease, Gelatinase and Lipase Production from Isolates Obtained from Organic Kitchen Waste." Nature Environment and Pollution Technology 22, no. 2 (June 1, 2023): 997–1002. http://dx.doi.org/10.46488/nept.2023.v22i02.045.
Abstract:
Households, restaurants, canteens, and hotel wastes constitute kitchen waste. Every day our growing cities generate more and more waste, which is overloading our municipal systems. The main aim of the present work was to prepare a microbial consortium that can effectively and rapidly bring about the degradation of kitchen wastes that can be used in agricultural soils. More than 100 different bacterial isolates were obtained from various kitchen waste dumping areas. The bacterial isolates were studied to produce enzymes like amylase, gelatinase, lipase, and protease on respective media plates. The best 20 isolates were subjected to enzyme quantification. The isolates showing maximum production for all four enzymes were selected for consortia preparation. The consortia of isolates were prepared by permutation combinations. Amongst all consortia prepared consortium No. 7 showed maximum enzymatic potential. The bacterial isolates in the best consortium (No. 7) were further characterized and identified as KW104 Serratia marcescens, KW37 Micrococcus luteus, KW128 Brevindimonas mediterranea, KW91 Bacillus tequilensis, and KW97 Exiguobacterium mexicanum. This consortium showed rapid degradation of waste as compared to others in 15 days duration of time showing good potential for compost formation when applied to plant growth.
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Su, Min, Marta Dell’Orto, Barbara Scaglia, Giuliana D’Imporzano, Alessia Bani, and Fabrizio Adani. "Growth Performance, Biochemical Composition and Nutrient Recovery Ability of Twelve Microalgae Consortia Isolated from Various Local Organic Wastes Grown on Nano-Filtered Pig Slurry." Molecules 27, no. 2 (January 10, 2022): 422. http://dx.doi.org/10.3390/molecules27020422.
Abstract:
This paper demonstrated the growth ability of twelve algae-microbial consortia (AC) isolated from organic wastes when a pig slurry-derived wastewater (NFP) was used as growth substrate in autotrophic cultivation. Nutrient recovery, biochemical composition, fatty acid and amino acid profiles of algae consortia were evaluated and compared. Three algae-microbial consortia, i.e., a Chlorella-dominated consortium (AC_1), a Tetradesmus and Synechocystis co-dominated consortium (AC_10), and a Chlorella and Tetradesmus co-dominated consortium (AC_12) were found to have the best growth rates (µ of 0.55 ± 0.04, 0.52 ± 0.06, and 0.58 ± 0.03 d−1, respectively), which made them good candidates for further applications. The ACs showed high carbohydrates and lipid contents but low contents of both proteins and essential amino acids, probably because of the low N concentration of NFP. AC_1 and AC_12 showed optimal ω6:ω3 ratios of 3.1 and 3.6, which make them interesting from a nutritional point of view.
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Vijay Mahesh Kumar, P., and A. Kishore. "Awareness and Use Pattern of E-ShodhSindhu Resources: A Case Study of Sri Venkateswara University Library, Andhra Pradesh." Asian Journal of Information Science and Technology 11, no. 2 (November 5, 2021): 37–42. http://dx.doi.org/10.51983/ajist-2021.11.2.3013.
Abstract:
Library Consortia is a network for the purchasing and accessing e-information to provide immediate access to greater resources for users of individual libraries. The e-ShodhSindhu is the Consortium for Higher Education E-Resources merging three consortia, i.e. UGC-INFONET Digital Library Consortium, INDEST-AICTE Consortium and N-LIST in December 2015. The e-ShodhSindhu is meant to supply current and depository access to E-Resources i.e. E-books, e-journals, e-journal archives, on-line databases to its member establishments at a negotiated rate of subscription. The purpose of this paper is to find out user awareness and usage of e-ShodhSindhu Digital Library Consortium by Faculty Members and Research Scholars of Sri Venkateswara University. A structured questionnaire was designed and randomly distributed to 350 respondents for data collection, among the faculty members and research scholars. Out of which, 274 filled-in questionnaires were returned. The study reveals that most of the respondents are aware and use digital library consortium but there is a need to conduct more awareness/training programs for enhancing the use of e-ShodhSindhu Digital Library Consortium.
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Intriago Angulo, Jefferson Javier, Juan Gerardo Quimi Mujica, Jordana Jineyka López Parra, David Villarreal de la Torre, Edmundo Matute, Jenny Maribel Rizco Cunayque, María Elena Bermúdez Basan, Emmerick Motte Darracau, Virna Alexia Cedeño Escobar, and Eric Louis Miahle Matonnier. "Inhibición del quórum sensing mediante el quórum quenching en postlarvas de Litopenaeus vannamei." La Técnica: Revista de las Agrociencias. ISSN 2477-8982, no. 23 (July 27, 2020): 01. http://dx.doi.org/10.33936/la_tecnica.v0i23.1538.
Abstract:
Inhibition of the quorum sensing by quorum quenching in postlarva of Litopenaeus vannamei
El cultivo del camarón blanco Litopenaeus vannamei es un recurso acuícola de gran importancia económica a nivel mundial; sin embargo, es severamente afectado por varios tipos de enfermedades infecciosas, principalmente virales y bacterianas. Sin embargo las pérdidas masivas reportadas durante los últimos años, están generalmente relacionadas a infecciones bacterianas en particular, el síndrome de mortalidad temprana (EMS) y más recientemente relacionada a la enfermedad de necrosis hepatopancreática aguda (AHPND) por sus siglas en ingles. Para asegurar la sostenibilidad de la industria del camarón, se debe mejorar la productividad en particular mediante el uso de consorcios de bacterias probióticas eficientes para la prevención de las enfermedades bacterianas. Dos consorcios de bacterias probióticas (consorcios comerciales y consorcio CA), fueron evaluados en pruebas in vitro y en tanques de producción de post-larvas de camarón L. vannamei, donde se realizó la determinación subsecuente del grado de inhibición del quórum sensing de las bacterias patogénicas mediante el quórum quenching de bacterias probióticas y paralelamente a los análisis de sobrevivencia. Como resultados el consorcio CA fue el que presento mayor grado de inhibición del quorum sensing in vitro en paralelo a los mayores porcentajes de sobrevivencia en tanques de producción de post-larvas de camarón. El mejor efecto probiótico en post-larvas de L. vannamei resultaron en los tratamientos del consorcio CA, como los mejores supresores en la presencia de vibrios en el cultivo bacteriológico así como mayores porcentajes de sobrevivencia en tanques de producción de post-larvas de camarón.
Palabras clave: Litopenaeus vannamei; quorum sensing; quorum quenching; bacterias patogénicas; bacterias probióticas
Abstract
The cultivation of white shrimp Litopenaeus vannamei is an aquaculture resource of great economic importance worldwide; however, it is severely affected by several types of infectious diseases, mainly viral and bacterial. However, the massive losses reported in recent years are generally related to bacterial infections in particular, early mortality syndrome (EMS) and more recently related to acute hepatopancreatic necrosis disease (AHPND). To ensure the sustainability of the shrimp industry, productivity must be improved in particular by the use of efficient probiotic bacteria consortia for the prevention of bacterial diseases. Two consortia of probiotic bacteria (commercial consortia and CA consortium) were evaluated in in vitro tests and in post-larvae production tanks of L. vannamei shrimp, where the subsequent determination of the degree of inhibition of the quorum sensing of pathogenic bacteria was carried out. By the quenching quorum of probiotic bacteria and parallel to the survival analysis. As a result, the CA consortium showed the greatest degree of inhibition of in vitro quorum sensing in parallel to the higher survival rates in shrimp post-larval production tanks. The best probiotic effect in post-larvae of L. vannamei resulted in the CA consortia treatments, as the best suppressors in the presence of vibrios in the bacteriological culture as well as higher survival rates in post-larvae shrimp production tanks
Keywords: Litopenaeus vannamei; quorum sensing; quorum quenching; pathogenic bacteria; probiotic bacteria.
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Adamu, K. S., Y. H. Bichi, A. Y. Nasiru, A. M. Babangida, M. M. Umar, G. Usman, and R. Muhammad. "Review: Synthetic Microbial Consortia in Bioremediation and Biodegradation." International Journal of Research and Innovation in Applied Science VIII, no. VII (2023): 232–41. http://dx.doi.org/10.51584/ijrias.2023.8727.
Abstract:
Since ancient times, we have worked with microbial consortia in a variety of contexts, including wastewater treatment, the production of biogas, additionally to biodegradation and bio cleansing. The great ability of microbial consortiums is, however, a very long way from being completely realized. Last few years have seen a surge in interest in biosynthesis and bioprocessing related to the understanding and use of microbial consortia. It can be difficult to implement complex tasks in a single population. Synthetic consortiums of microorganisms have long utilized in biotechnology procedures like waste management, agricultural farming, and fermentation. Today, microbial consortiums are being engineered for a range of uses by synthetic biologists. The division of collaborative work in consortia is crucial for the breakdown of environmental contaminants that are persistent, cultures need to be resilient to the complicated environment, which often needs several phases. As a result, bioremediation may greatly benefit from the use of synthetic microbial consortiums [1]. The created and improved synthetic microbial community can operate as a culture (seed culture) for ex situ remediation methods including biodegradation in smaller reactors and bio augmentation of in situ bioremediation practices. In order to prevent genetic contamination from environmental microorganisms, the use of designed microbial consortia is currently, to a large degree, restricted in carefully monitored bioprocesses. In this review, an overview of undefined naturally occurring microbial consortia and their application was discussed. We introduced the notion of synthetic microbial consortia, system biology, we discussed Importance of synthetic microbial consortia with relevant examples of how they add value to bio refineries. We did an overview of microbial consortia in biotechnological process, application of microbial consortia in bioremediation and biodegradation was further discussed.
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Henzi, S. Peter, Russell Hill, Louise Barrett, John Lycett, and Tony Weingrill. "Male consortship behaviour in chacma baboons: the role of demographic factors and female conceptive probabilities." Behaviour 140, no. 3 (2003): 405–27. http://dx.doi.org/10.1163/156853903321826701.
Abstract:
AbstractThere is evidence for a general relationship between male dominance rank and mating success in primates, although the strength of this relationship differs among species. In chacma baboons (Papio hamadryas ursinus) male rank is found to be of more importance than in the other savannah baboon subspecies. However, even though the priority-of-access model explains the proportion of time spent in consortship for males of different rank in chacmas, highest-ranking males usually consort less often than expected. In this study, conducted in the Drakensberg Mountains of Natal and at De Hoop in the Western Cape, we investigated why dominant males in four study troops consorted only between 50% and 75% of days that they were expected to consort according to the priority-of-access model. Consortship success of highest-ranking males was primarily dependant on the number of available oestrous females in a troop. This was likely due to costs involved in consorting which limit the amount of days that a male could spend in consortship. Females pass through several cycles before conceiving and highest-ranking males were observed to consort more often on the conceptive cycle compared to the nearest nonconceptive cycle, but this was only true for males that were already resident for several months. Recently immigrated males that became highest-ranking often consorted during nonconceptive female cycles, while older, lower-ranking males consorted during the conceptive cycles. We propose that males with longer residency have more information about reproductive state of females and thus higher reproductive success than recently immigrated males.
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Mora-Salguero, Daniela, Martha Josefina Vives Florez, Johanna Husserl Orjuela, Miguel Fernández-Niño, and Andrés Fernando González Barrios. "Evaluation of the phenol degradation capacity of microalgae-bacteria consortia from the bay of Cartagena, Colombia." TecnoLógicas 22, no. 44 (January 15, 2019): 149–58. http://dx.doi.org/10.22430/22565337.1179.
Abstract:
The development of new technologies for environmental reparation has allowed the application of inexpensive alternatives such as bioremediation, which has a high potential to treat ecosystems polluted with hydrocarbons. Microalgae-bacteria consortia have been identified as an efficient alternative for the detoxification of organic and inorganic contaminants and the removal of toxic compounds. This work investigates the phenol degradation potential of several alga-microbial consortia, which involved the algae Chlamydomonas reinhardtii and an osmotolerant phenol-resistant bacterial strain isolated from the bay of Cartagena, Colombia. A total of three bacterial strains were tested (i.e. Stenotrophomonas maltophilia, Microbacterium paraoxydans and Paenibacillus lactis) individually and in consortium with C. reinhardtii. Our data indicate a significant increase in the growth rate and a reduction in the lag phase of microorganisms in the consortium as compared to microorganisms growing in isolation. Interestingly, the inoculum ratio 2:1 (bacteria-microalgae) was shown to be the most robust taking into account that both microorganisms improved their growth. Afterward, the phenol degradation capacity of pure cultures and consortia in the presence of different phenol concentrations was evaluated. Our results reveal that such consortia perform better at low phenol concentrations; more specifically, the consortium Microbacterium paraoxydans-Chlamydomonas reinhardtii was the most effective: it reached a 49.89% phenol removal.
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Wu, Baichun, Jingmin Deng, Hao Niu, Jiahao Liang, Muhammad Arslan, Mohamed Gamal El-Din, Qinghong Wang, Shaohui Guo, and Chunmao Chen. "Establishing and Optimizing a Bacterial Consortia for Effective Biodegradation of Petroleum Contaminants: Advancing Classical Microbiology via Experimental and Mathematical Approach." Water 13, no. 22 (November 22, 2021): 3311. http://dx.doi.org/10.3390/w13223311.
Abstract:
In classical microbiology, developing a high-efficiency bacterial consortium is a great challenge for faster biodegradation of petroleum contaminants. In this study, a systematic experimental and mathematical procedure was adopted to establish a bacterial consortium for the effective biodegradation of heavy oil constituents. A total of 27 bacterial consortia were established as per orthogonal experiments, using 8 petroleum-degrading bacterial strains. These bacteria were closer phylogenetic relatives of Brevundimonas sp. Tibet-IX23 (Y1), Bacillus firmus YHSA15, B. cereus MTCC 9817, B. aquimaris AT8 (Y2, Y6 and Y7), Pseudomonas alcaligenes NBRC (Y3), Microbacterium oxydans CV8.4 (Y4), Rhodococcus erythropolis SBUG 2052 (Y5), and Planococcus sp. Tibet-IX21 (Y8), and were used in different combinations. Partial correlation analysis and a general linear model hereafter were applied to investigate interspecific relationships among different strains and consortia. The Y1 bacterial species showed a remarkable synergy, whereas Y3, Y4, and Y6 displayed a strong antagonism in all consortia. Inoculation ratios of different strains significantly influenced biodegradation. An optimal consortium was constructed with Y1, Y2, Y5, Y7, and Y8, which revealed maximum degradation of 11.238 mg/mL OD600 for oil contaminants. This study provides a line of evidence that a functional consortium can be established by mathematical models for improved bioremediation of petroleum-contaminated environment.
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McKenna, Neil J., Christopher L. Howard, Michael Aufiero, Jeremy Easton-Marks, David L. Steffen, Lauren B. Becnel, Mark A. Magnuson, Richard A. McIndoe, and Jean-Philippe Cartailler. "Research Resource: dkCOIN, the National Institute of Diabetes, Digestive and Kidney Diseases (NIDDK) Consortium Interconnectivity Network: A Pilot Program to Aggregate Research Resources Generated by Multiple Research Consortia." Molecular Endocrinology 26, no. 10 (October 1, 2012): 1675–81. http://dx.doi.org/10.1210/me.2012-1077.
Abstract:
Abstract The National Institute of Diabetes, Digestive and Kidney Diseases (NIDDK) supports multiple basic science consortia that generate high-content datasets, reagent resources, and methodologies, in the fields of kidney, urology, hematology, digestive, and endocrine diseases, as well as metabolic diseases such as diabetes and obesity. These currently include the Beta Cell Biology Consortium, the Nuclear Receptor Signaling Atlas, the Diabetic Complications Consortium, and the Mouse Metabolic Phenotyping Centers. Recognizing the synergy that would accrue from aggregating information generated and curated by these initiatives in a contiguous informatics network, we created the NIDDK Consortium Interconnectivity Network (dkCOIN; www.dkcoin.org). The goal of this pilot project, organized by the NIDDK, was to establish a single point of access to a toolkit of interconnected resources (datasets, reagents, and protocols) generated from individual consortia that could be readily accessed by biologists of diverse backgrounds and research interests. During the pilot phase of this activity dkCOIN collected nearly 2000 consortium-curated resources, including datasets (functional genomics) and reagents (mouse strains, antibodies, and adenoviral constructs) and built nearly 3000 resource-to-resource connections, thereby demonstrating the feasibility of further extending this database in the future. Thus, dkCOIN promises to be a useful informatics solution for rapidly identifying useful resources generated by participating research consortia.
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Shin, Nara, Su Hyun Kim, Jinok Oh, Suwon Kim, Yeda Lee, Yuni Shin, Suhye Choi, Shashi Kant Bhatia, Yun-Gon Kim, and Yung-Hun Yang. "Reproducible Polybutylene Succinate (PBS)-Degrading Artificial Consortia by Introducing the Least Type of PBS-Degrading Strains." Polymers 16, no. 5 (February 28, 2024): 651. http://dx.doi.org/10.3390/polym16050651.
Abstract:
Polybutylene succinate (PBS) stands out as a promising biodegradable polymer, drawing attention for its potential as an eco-friendly alternative to traditional plastics due to its biodegradability and reduced environmental impact. In this study, we aimed to enhance PBS degradation by examining artificial consortia composed of bacterial strains. Specifically, Terribacillus sp. JY49, Bacillus sp. JY35, and Bacillus sp. NR4 were assessed for their capabilities and synergistic effects in PBS degradation. When only two types of strains, Bacillus sp. JY35 and Bacillus sp. NR4, were co-cultured as a consortium, a notable increase in degradation activity toward PBS was observed compared to their activities alone. The consortium of Bacillus sp. JY35 and Bacillus sp. NR4 demonstrated a remarkable degradation yield of 76.5% in PBS after 10 days. The degradation of PBS by the consortium was validated and our findings underscore the potential for enhancing PBS degradation and the possibility of fast degradation by forming artificial consortia, leveraging the synergy between strains with limited PBS degradation activity. Furthermore, this study demonstrated that utilizing only two types of strains in the consortium facilitates easy control and provides reproducible results. This approach mitigates the risk of losing activity and reproducibility issues often associated with natural consortia.
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Prikhozhev, P. V. "Consortia as an Organizational Form of Cooperation in Library and Bibliographic Activities: Foreign Experience." Bibliosphere, no. 1 (February 4, 2022): 49–55. http://dx.doi.org/10.20913/1815-3186-2022-1-49-55.
Abstract:
Cooperation at the national and international levels is a promising direction of libraries’ activity. One of the modern forms of such cooperation is library consortia that have been created around the world since the 1960s. The activities of such library associations have been successfully carried out in Russia for many years, but for the more complete understanding of the such organizations’ work character, it is necessary to examine the foreign experience of library consortia creating. Considering the activities of the largest national, regional and international library consortia since the 1960s, one can find out the transformation of such institutions from organizations performing strictly defined functions, such as automating routine library processes or facilitating access to information and exchange of it, into a significant tool for strengthening cooperation in the field of librarianship and bibliography. The article presents the most common definitions of the term «library consortium», defines the main goals and objectives of such organizations, and considers the activities of the largest library consortia of the following types: consortia that unite libraries according to the technological principle and consortia uniting libraries of a certain type. The author pays attention to the International Coalition of Library Consortia (ICOLC), which is a special type of consortium – an association of associations.
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Górski, Rafał, Robert Rosa, Alicja Niewiadomska, Agnieszka Wolna-Maruwka, and Anna Płaza. "Response of Soil Microorganisms to and Yield of Spelt Wheat following the Application of Bacterial Consortia and the Subsequent Effect of Cover Crops in Organic Farming." Agronomy 14, no. 4 (April 5, 2024): 752. http://dx.doi.org/10.3390/agronomy14040752.
Abstract:
In modern agriculture, more and more attention is being paid to the use of microorganisms that can increase crop productivity and quality even under adverse weather conditions. Due to the declining biodiversity of crops and the occurrence of soil erosion and nutrient losses, the introduction of cover crops (CC) can be a positive crop management technique. In the field study presented here, the effect of growing spring barley with CCs applied simultaneously with bacterial consortia on the ratio of the total number of bacteria to actinobacteria (B/A) and the number of fungi in the soil was evaluated. The biomass yield of CCs and the subsequent effect on the yield of spelt wheat grown with the application of bacterial consortia were also evaluated. The bacterial consortia applied included consortium 1, comprising Bacillus subtilis, Bacillus amyloliquefaciens, and Pseudomonas fluorescens, and consortium 2, comprising Bacillus subtilis, Bacillus amyloliquefaciens, Pseudomonas fluorescens, and Azotobacter chroococcum. The CCs were red clover, red clover + Italian ryegrass, and Italian ryegrass. The most favorable B/A ratio and the highest number of fungi were obtained after growing spring barley with a CC consisting of a mixture of red clover and Italian ryegrass when using bacterial consortium 2. These conditions additionally had the most favorable influence on spelt wheat. The combination of such a forecrop with the application of bacterial consortium 2 resulted in the highest yields of spelt wheat.
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Saryanah, N. A., Sulastri, S. Himawati, I. S. Bidara, Y. P. Roswanjaya, N. Asiani, R. B. Sukmadi, and A. F. C. Irawati. "Salinity stress mitigation on Zea mays L. seedling by halotolerant bacteria." IOP Conference Series: Earth and Environmental Science 1160, no. 1 (April 1, 2023): 012004. http://dx.doi.org/10.1088/1755-1315/1160/1/012004.
Abstract:
Abstract Halotolerant bacteria are reported as a potential biostimulant to mitigate saline stress on various crops. The mechanism of halotolerant bacteria in elevating plant growth under saline stress is associated with their plant growth-promoting (PGP) traits. This study evaluated the activity of single-strain halotolerant phosphate-solubilizing bacteria and its consortia with halotolerant bacteria that were able to fix nitrogen and produce ACC deaminase in alleviating salinity stress on Zea mays seedlings under in vitro conditions. One single strain and five consortia of bacterial isolates were tested for seedling growth assay under four salinity levels (0, 60, 80, and 100 mM). In vitro assay showed that halotolerant bacteria B1 (Vibrio alginolycticus) and all consortia significantly increased root number at 60 mM salinity level. Consortium B3 (V. alginolyticus+Salinicola zeshunii) was also able to improve the fresh weight of seedlings significantly (by 63.3%). Moreover, inoculation of consortium B3 affected more proline and soluble sugar accumulation in Z. mays seedlings when compared to uninoculated seedlings. We conclude that the application of a consortium of halotolerant bacteria V. alginolyticus+S. zeshunii was potentially used in improving Z. mays growth in slightly and moderately saline areas.