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Letteratura scientifica selezionata sul tema "Biotechnological potential"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 13 febbraio 2022

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Articoli di riviste sul tema "Biotechnological potential"

Al-Hoqani, Umaima, Rosanna Young e Saul Purton. "The biotechnological potential of Nannochloropsis". Perspectives in Phycology 4, n. 1 (1 maggio 2017): 1–15. http://dx.doi.org/10.1127/pip/2016/0065.

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Pirog, T. P., D. A. Lutsai e F. V. Muchnyk. "Biotechnological Potential of the Acinetobacter Genus Bacteria". Mikrobiolohichnyi Zhurnal 83, n. 3 (17 giugno 2021): 92–109. http://dx.doi.org/10.15407/microbiolj83.03.092.

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Until recently, there were rare scientific reports on the biotechnological potential of non-pathogenic bacteria of the Acinetobacter genus. Although the first reports about the practically valuable properties of these bacteria date back to the 70s and 80s of the twentieth century and concerned the synthesis of the emulsan bioemulsifier. In the last decade, interest in representatives of the Acinetobacter genus as objects of biotechnology has significantly increased. The review presents current literature data on the synthesis by bacteria of this genus of high-molecular emulsifiers, low-molecular biosurfactants of glyco- and aminolipid nature, enzymes (lipase, agarase, chondroitinase), phytohormones, as well as their ability to solubilize phosphates and decompose various xenobiotics (aliphatic and aromatic hydrocarbons, pesticides, insecticides). Prospects for practical application of Acinetobacter bacteria and the metabolites synthesized by them in environmental technologies, agriculture, various industries and medicine are discussed. The data of own experimental studies on the synthesis and biological activity (antimicrobial, anti-adhesive, ability to destroy biofilms) of biosurfactants synthesized by A. calcoaceticus IMV B-7241 strain and their role in the degradation of oil pollutants, including complex ones with heavy metals, are presented. The ability of A. calcoaceticus IMV B-7241 to the simultaneous synthesis of phytohormones (auxins, cytokinins, gibberellins) and biosurfactants with antimicrobial activity against phytopathogenic bacteria allows us to consider this strain as promising for practical use in crop production to increase crop yields.

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Funk, I. A., e A. N. Irkitova. "BIOTECHNOLOGICAL POTENTIAL OF BIFIDOBACTERIA". Acta Biologica Sibirica 2, n. 4 (26 dicembre 2016): 67. http://dx.doi.org/10.14258/abs.v2i4.1707.

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Nishihara, Hiroshi, Tokumitsu Okamura, Rolf D. Schmid, Achim Hauck e Matthias Reuß. "Biotechnological potential of P450 monooxygenases". Journal of Biotechnology 56, n. 1 (luglio 1997): 57–61. http://dx.doi.org/10.1016/s0168-1656(97)00071-0.

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Abe, Fumiyoshi, e Koki Horikoshi. "The biotechnological potential of piezophiles". Trends in Biotechnology 19, n. 3 (marzo 2001): 102–8. http://dx.doi.org/10.1016/s0167-7799(00)01539-0.

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Awasthi, Abhishek Kumar, Quanyin Tan e Jinhui Li. "Biotechnological Potential for Microplastic Waste". Trends in Biotechnology 38, n. 11 (novembre 2020): 1196–99. http://dx.doi.org/10.1016/j.tibtech.2020.03.002.

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Chen, Feng. "Microalgae and their biotechnological potential". Journal of Biotechnology 136 (ottobre 2008): S521. http://dx.doi.org/10.1016/j.jbiotec.2008.07.1225.

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Lewis, Tom E., Peter D. Nichols e Thomas A. McMeekin. "The Biotechnological Potential of Thraustochytrids". Marine Biotechnology 1, n. 6 (novembre 1999): 580–87. http://dx.doi.org/10.1007/pl00011813.

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Ryan, Michael P., e Gary Walsh. "The biotechnological potential of whey". Reviews in Environmental Science and Bio/Technology 15, n. 3 (19 agosto 2016): 479–98. http://dx.doi.org/10.1007/s11157-016-9402-1.

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Santos-Gandelman, Juliana, Marcia Giambiagi-deMarval, Walter Oelemann e Marinella Laport. "Biotechnological Potential of Sponge-Associated Bacteria". Current Pharmaceutical Biotechnology 15, n. 2 (11 luglio 2014): 143–55. http://dx.doi.org/10.2174/1389201015666140711115033.

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Più fonti

Tesi sul tema "Biotechnological potential"

Gomes, Hélder Alexandre Campos. "Ecological and biotechnological potential of sponge microbiome". Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15450.

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Mestrado em Biologia Molecular e Celular
Marine sponges harbor microbial communities of immense ecological and biotechnological importance. Recently, they have been focus of heightened attention due to the wide range of biologically active compounds with potential application, particularly, in chemical, cosmetic and pharmaceutical industries. However, we still lack fundamental knowledge of their microbial ecology and biotechnological potential. The development of high-throughput sequencing technologies has given rise to a new range of tools that can help us explore the biotechnological potential of sponges with incredible detail. Metagenomics, in particular, has the power to revolutionize the production of bioactive compounds produced by unculturable microorganisms. It can offer the identification of biosynthetic genes or gene clusters that can be heterologously expressed on a cultivable and suitable host. This review focus on the exploration of the biotechnological potential of sponge-associated microorganisms, and integration of molecular approaches, whose increasing efficiency can play an essential role on achieving a sustainable source of natural products.
As esponjas marinhas abrigam comunidades microbianas de grande importância ecológica e biotecnológica. Recentemente, estas têm recebido maior atenção devido ao grande número de compostos com actividade biológica, com potencial aplicação, particularmente, nas indústrias química, cosmética e farmacêutica. No entanto, a ecologia e o potencial biotecnológico dos seus microrganismos ainda permanecem largamente desconhecidos. O desenvolvimento de tecnologias de sequenciação de alta resolução deu origem a novo grupo de abordagens que nos podem ajudar a explorar o potencial biotecnológico das esponjas com um detalhe sem precedentes. As abordagens metagenómicas, em particular, tem poder para revolucionar a produção de compostos com actividade biológica produzidos por microrganismos não cultiváveis, ao permitir a identificação de genes ou clusters de genes biosintéticos com capacidade para serem expressos heterologamente num organismo hospedeiro adequado e cultivável. Esta revisão foca particularmente a exploração do potencial biotecnológico dos microrganismos associados a esponjas, e a integração de abordagens moleculares, cuja eficiência crescente pode desempenhar um papel essencial no desenvolvimento de uma fonte sustentável de produtos naturais.

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Marchello, Adriano Evandir. "Mixotrophy in Chlorella sorokiniana : physiology, biotechnological potential and ecotoxicology". Universidade Federal de São Carlos, 2017. https://repositorio.ufscar.br/handle/ufscar/8936.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
In aquatic environments, phytoplankton consists mostly of photosynthetic microorganisms that serve as the basis of food chains. However, besides photoautotrophy, it is widely reported in the literature that many microalgae can take up dissolved organic matter present in the environment concomitantly with the photosynthesis, a metabolic pathway known as mixotrophy. Little is known about the ecophysiology of mixotrophy in microalgae, and almost all studies are focused on the use of this metabolic pathway to increase the production of algal biomass and stimulate the production of specific biomolecules. Another important issue, considering the current anthropic activity, is that most of the contaminants eliminated in aquatic environments, such as metals and nanoparticles, affect the phytoplankton. However, so far, no ecotoxicological study involving mixotrophic metabolism was found in the literature. To better understand mixotrophy in microalgae, this work chose the chlorophycean freshwater Chlorella sorokiniana as test organism. We divided the study into two parts: the first focused on the physiological/biotechnological interest through the study of growth, photosynthetic parameters, changes in cellular volume, and production of biomolecules (proteins, carbohydrates and lipids); the second part focused on the ecotoxicological effects of cadmium (Cd) and titanium dioxide nanoparticles (NPs-TiO2). To stimulate mixotrophy, glucose (1.0 g.L-1 or 5 x 10-3 mol.L-1) was used as the organic carbon source. The results showed that during mixotrophy, the microalga C. sorokiniana presented higher population growth and production of biomolecules, such as chlorophyll a and lipids, when compared to photoautotrophic cultures. It was also observed that the photosynthetic parameters were affected by mixotrophy, although they did not interfere in the growth of the microalga, and that the presence of bacteria in the cultures acted as a stimulant factor in the production of algal biomass. Regarding the ecotoxicological effects of contaminants, microalgae in mixotrophy were more resistant to both Cd and NPs-TiO2 than those in photoautotrophy, but with changes in the biochemical composition what can affected the energy transfer in the environment. In general, we can conclude that mixotrophy should be considered in studies with phytoplankton, since aquatic environments present a myriad of organic carbon that can be used by these microorganisms. As general conclusions, we can mention that organic carbon acted as an extra source of structural carbon and energy for microalgae, not necessarily relying solely on photosynthesis to survive, so stimulating the growth and production of biomolecules of biotechnological interest, and increased cellular viability in environments contaminated with metals and nanoparticles. This study is a contribution to the understanding of mixotrophy and photoautotrophy metabolisms in a freshwater Chlorophyta with biotechnological potential.
Nos ambientes aquáticos, o fitoplâncton é formado basicamente de microrganismos fotossintetizantes que servem como base das cadeias alimentares. Entretanto, além da fotoautotrofia, é vastamente citado na literatura que muitas microalgas alimentam-se de matéria orgânica dissolvida presente no ambiente concomitantemente à realização da fotossíntese, uma via metabólica conhecida como mixotrofia. Sabe-se pouco sobre a ecofisiologia em metabolismo mixotrófico nas microalgas, sendo os estudos, em sua quase totalidade, voltados ao uso dessa via metabólica para aumentar a produção de biomassa algal e estimular a produção de biomoléculas específicas. Outra questão importante, considerando a atividade antrópica atual, é que a maioria dos contaminantes eliminados nos ambientes aquáticos, como metais e nanopartículas, são estudados em fitoplâncton sob metabolismo fotoautotrófico, não sendo encontrados trabalhos ecotoxicológicos envolvendo o metabolismo mixotrófico na literatura. Para entender melhor o metabolismo algal em mixotrofia, este trabalho escolheu a microalga Chlorophyta de água doce Chlorella sorokiniana como organismo-teste. Para melhor organizá-lo, foi dividido em duas partes: a primeira focou no interesse fisiológico/biotecnológico através do estudo do crescimento, parâmetros fotossintéticos, volume celular, e produção de biomoléculas (proteínas, carboidratos e lipídeos); a segunda parte focou nos efeitos ecotoxicológicos de cádmio (Cd) e de nanopartículas de dióxido de titânio (NPs-TiO2). Para estimular a mixotrofia, glicose (1.0 g.L-1 ou 5 x 10-3 mol.L-1) foi utilizada como fonte de carbono orgânico. Os resultados mostraram que durante a mixotrofia, a microalga C. sorokiniana apresentou maiores crescimento populacional e produção de biomoléculas, como clorofila a e lipídeos, quando comparada com as culturas em fotoautotrofia. Também foi observado que os parâmetros fotossintéticos foram afetados em mixotrofia, porém não interferindo no crescimento da microalga, e que a presença de bactérias pode ter atuado como fator estimulante na produção de biomassa algal. Em relação aos efeitos ecotoxicológicos dos contaminantes, as microalgas em mixotrofia foram mais resistentes tanto ao Cd quanto às NPs-TiO2 do que em fotoautotrofia, porém com mudanças na composição bioquímica, podendo afetar a transferência de energia nos ecossistemas aquáticos. De modo geral, podemos concluir que a mixotrofia deve ser considerada em estudos com fitoplâncton, visto que os ambientes aquáticos apresentam uma miríade de fontes de carbono orgânico para esses microrganismos. Na mixotrofia, o carbono orgânico funciona como uma fonte extra de carbono estrutural e de energia para as microalgas, não dependendo obrigatoriamente somente da fotossíntese para sobreviver, estimulando o crescimento e produção de biomoléculas de interesse biotecnológico, além de aumentar a viabilidade celular em ambientes contaminados tanto com Cd quanto com NPs-TiO2. Este estudo é uma contribuição ao entendimento dos metabolismos mixotróficos e fotoautotróficos em uma Chlorophyta de água doce com potencial biotecnológico.
CNPq: 302175/2015-6
FAPESP: 2014/15894-0

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Megaw, Julianne. "Investigating the biotechnological potential of halophilic and halotolerant microorganisms isolated in Northern Ireland". Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675435.

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Halophilic and halotolerant microorganisms are known to have numerous potential biotechnological applications, but to date, they have been largely underexploited in comparison to other extremophiles. The overall aim of the research presented within this thesis was to further investigate some of the biotechnologically useful products and processes that halophilic and halotolerant microorganisms are known to possess. Firstly, halotolerant bacterial isolates from a polluted marine environment were shown to be extremely tolerant to l-alkyl-3-methylimidazolium chloride ionic liquids, with much greater levels of tolerance to these compounds than has previously been reported for other microorganisms, and in addition, some of the isolates had the ability to biodegrade these compounds. This indicates that bacteria from the marine environment, due to their adaptation to salinity and the presence of hydrocarbons within this environment, would be highly suited to biological processes involving exposure to ionic liquids. Kilroot salt mine was investigated as a source of halophilic microorganisms as its culturable microbiome has never before been profiled; exploration of this environment indicated a great culturable biodiversity of both bacteria and archaea. The haloarchaeal isolates were shown to form biofilms, which enhanced the tolerance of the haloarchaea to an antimicrobial challenge. This is the first time this protective function ofhaloarchaeal biofilms has been demonstrated. Screening the isolates against a panel of antibiotics revealed an unexpectedly high level of natural resistance, indicating the presence of antimicrobial-producing microorganisms in the salt mine environment. To examine this further, organic extracts of each isolate from the mine were tested against a range of pathogenic bacteria, with approximately 40% displaying antimicrobial activities. One activity of particular interest was that of a haloarchaeal isolate of the genus Halorubrum, which exhibited both in vitro and in vivo antimicrobial and antibiofilm activity against P. aeruginosa. Whole genome sequence analysis of this isolate revealed further biotechnologically-important functions which provides numerous opportunities for additional studies, and reinforces the biotechnological potential of these organisms that is waiting to be exploited.

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Mountzouris, Konstantinos C. "Biotechnological approaches to production of oligodextrans with potential application as functional food ingredients". Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287650.

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Behr, Britta Verena. "The biotechnological potential for manipulating offspring sex in the rhinoceros and the elephant /". Berlin : Mbv, Mensch-und-Buch-Verl, 2009. http://d-nb.info/1000286681/04.

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Tajra, FÃbio Solon. "Biotechnological potential of the red marine alga Hypnea musciformis (HML) applied to Dentistry". Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5285.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico
Dental Caries is an infectious disease naturally multi-factorial that begins in the childhood, able to spread its intensity and prevalence according to the mouth ambient conditions of each host. The risk of the patients to develop, in some time of their lives, carious lesions can be measured through a complex analysis using health determinant factors and other specific factors of the health-disease process. Since the dental caries forward diagnostic as well as the review of the auxiliary determinant factors of the dental caries danger evaluation, the treatment becomes simpler, less invasive and costing lower. It has been quite broad-casted lately the use of lectins to diagnose and to prevent some diseases. When dealing with dental caries disease, through many years this strategy has been explored still inceptively. Looking through this perspective, the goal of this trial was to investigate the biotechnological potential of the red marine alga Hypnea musciformis (HML) applied to Dentistry. It is about an explanatory-experimental study of quantitative approach through the health questionnaire and data statistics analysis. The research makes reference to some comparative analysis of salivary tests and the cariogenic activity in twelve year-old students and it searches to evaluate the biotechnological potentialities of the lectin from the red marine alga Hypnea musciformis (HML) in the diagnose and prevention of the dental caries. The concentration area of this trial was the macromolecules/ lectin biotechnological application. In the present trial were compared obtained results through the application of the conventional clinical exams to dental caries and salivary tests of dental caries activity pointed by the CARIOGRAMÂ program in association with lab analysis using specific lectins. From this trial, it has been concluded that, about lectins as a biotechnological potential to prevention and diagnose of the dental caries, it has been noticed that there is recognition of resident glycoconjugate on pacifier saliva of high and low risk observed in immunofluorescence pattern. The results showed that the tested lectin has the capacity to intervene on the bacterial growth in a negative way, it is being distinguished statistically (p<0,01) in relation to control group of saline and BSA. However, inhibition studies of the microbial biofilms using the HML are being programmed to evaluate the using possibility of these protein as biotech input to be used for dental caries prevention. It could be said also that the obtained results by the use of HML in the antimicrobial activity were promising, showing that this lectin has presented antimicrobial activity even on very small amounts. As to the use of these protein in the biofilm formation and developing there was no characteristic pattern.
A cÃrie Ã uma doenÃa infecciosa de natureza multifatorial que se inicia na infÃncia, podendo aumentar de intensidade e prevalÃncia de acordo com as condiÃÃes do ambiente bucal de cada hospedeiro. O risco do paciente em desenvolver, em algum perÃodo de seu ciclo de vida, lesÃes cariosas pode ser medido atravÃs de uma anÃlise complexa que utiliza os fatores determinantes da saÃde e outros fatores especÃficos do processo saÃde-doenÃa. A partir do diagnÃstico precoce da doenÃa cÃrie, assim como anÃlise dos fatores determinantes auxiliares da avaliaÃÃo do risco de cÃrie, o tratamento torna-se mais simples, menos invasivo e de menor custo. Tem sido bastante difundida ultimamente a utilizaÃÃo de lectinas para diagnÃstico e prevenÃÃo de algumas doenÃas. Em se tratando da doenÃa cÃrie, ao longo de muitos anos, essa estratÃgia tem sido explorada ainda de forma incipiente. Nesta perspectiva, o objetivo deste trabalho foi investigar as potencialidades biotecnolÃgicas da lectina de alga marinha da espÃcie de Hypnea musciformis (HML) aplicadas Ã odontologia. Trata-se de um estudo explicativo-experimental de abordagem quantitativa atravÃs de questionÃrio de saÃde e anÃlises estatÃsticas de dados. A pesquisa faz referÃncia Ã uma anÃlise comparativa de testes salivares e atividade cariogÃnica em escolares de 12 anos de idade e a busca avaliar as potencialidades biotecnolÃgicas da lectina de alga marinha da espÃcie de Hypnea musciformis (HML) no diagnÃstico e prevenÃÃo de cÃrie dentÃria. A Ãrea de concentraÃÃo deste estudo MacromolÃtulas / AplicaÃÃo BiotecnolÃgica de Lectinas. No presente estudo, foram comparados os resultados obtidos atravÃs da aplicaÃÃo de exame clÃnico convencional para cÃrie e testes salivares de atividade cariogÃnica apontados pelo programa CARIOGRAMÂ em associaÃÃo com anÃlises laboratoriais com a utilizaÃÃo de lectinas especÃficas. A partir deste estudo, concluiu-se que, em se tratando do uso de lectinas como potencial biotecnolÃgico para a prevenÃÃo e diagnÃstico de cÃrie dentÃria, percebeu-se que hÃ reconhecimento de glicoconjugados presentes na saliva de pacientes de alto e baixo risco observados em padrÃo de fluorescÃncia. Os resultados demonstram que a lectina testada tem a capacidade de interferir no crescimento bacteriano de forma negativa, sendo estatisticamente significante (p<0,01) em relaÃÃo aos grupos controle de salina e BSA. Entretanto estudos de inibiÃÃo da formaÃÃo de biofilmes microbianos utilizando a HML estÃo sendo programados, para assim avaliar a possibilidade de utilizaÃÃo dessas proteÃnas como insumos biotecnolÃgicos a ser utilizados para prevenÃÃo da cÃrie dentÃria. Pode-se ainda afirmar que os resultados obtidos pelo uso de HML na atividade antibacteriana foram promissores, mostrando que esta lectina apresentou atividade antibacteriana mesmo em quantidades muito pequenas. Quanto ao uso destas proteÃnas na formaÃÃo e desenvolvimento de biofilmes, nÃo houve padrÃo caracterÃstico.

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Dayo-Owoyemi, Ifeloju [UNESP]. "Taxonomic assessment and biotechnological potential of yeasts hold at the Unesp - Central for microbial resources". Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/103973.

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Atualmente, existe um crescente interesse em explorar diversos habitats, a fim de revelar a biodiversidade microbiana, incluindo as leveduras. Tal diversidade ainda não acessada guarda a descoberta de novas espécies para ciência, provavelmente muitas das quais com potencial para aproveitamento em processos biotecnológicos. Com o objetivo de explorar e conservar a diversidade de fungos, o Central de Recursos Microbianos da UNESP (CRM – UNESP) mantém em seu acervo várias estirpes de leveduras isoladas de ecossistemas diversos, sendo alguns deles pouco explorados. No início deste trabalho sabíamos que muitas das leveduras depositadas no acervo do CRM – UNESP não estavam totalmente caracterizadas tanto em nível taxonômico, quanto em relação ao potencial biotecnológico que poderiam apresentar. Portanto, o presente estudo foi desenhado para caracterizar e identificar taxonomicamente leveduras depositadas no CRM – UNESP, bem como selecionar estirpes que produzem enzimas extracelulares degradadoras de polissacarídeos como amilase, celulase, xilanase, pectinase e ligninase. Usando uma abordagem polifásica, um total de 340 isolados de leveduras foi identificado, sendo que 71,2% compreendem 43 taxa de ascomicetos e os restantes 28,8% foram classificados em 27 taxa de basidiomicetos. O estudo também levou à descoberta de 8 prováveis novas espécies. Baseado nesta constatação, a classificação taxonômica e análise filogenética foi realizada para duas espécies anamórficas de ascomicetos e uma espécie teleomórfica de basidiomiceto. A descrição destas três espécies é apresentada neste estudo. Os resultados demonstraram que Wickerhamiella kiyanii FB1-1DASPT e W. pindamonhangabaensis H10YT pertencem à clade Wickerhamiella da ordem Saccharomycetales...
In recent time, there has been an increasing interest in exploring diverse ecological habitats in order to reveal the yeast biodiversity. The increased awareness in the biotechnological potentials of yeasts has also spurred attempts to search for new species with novel biotechnological capabilities. Aiming to explore and conserve the fungal diversity from various ecosystems, the UNESP – Central for Microbial Resources (UNESP – CMR) harbors various strains of ecologically diverse yeasts isolates, some of which were yet to be identified. Therefore, this study was designed to identify and characterize some yeasts from the UNESP – MRC and to select strains possessing extracellular plant polysaccharide degrading enzymes namely amylase, cellulase, xylanase, pectinase and ligninase. Using a polyphasic approach, a total of 340 strains were identified. Taxonomic classification grouped 71.2% of these isolates into 43 ascomycetous taxa while the remaining 28.8% were classified in 27 basidiomycetous taxa. The study also led to the discovery of 8 putative new species. As a result, we classified two anamorphic species in the Ascomycota and one teleomorphic species in the Basidiomycota. In this study we provide the description of both species. Our results demonstrated that the two ascomycetous species proposed as Wickerhamiella kiyanii FB1-1DASPT and W. pindamonhangabaensis H10YT belong to the Wickerhamiella clade of the Saccharomycetales (Saccharomycetes) while the basidiomycetous species proposed as Bulleromyces texanaensis ATT064T belong to the Bulleromyces / Papiliotrema / Auriculibuller clade of the Tremellales (Agaricomycotina). In order to show the significance of intraspecific diversity in yeasts, in one of our studies, we subjected 11 strains, (including the type strain CBS 8960T) of Hannaella kunmingensis... (Complete abstract click electronic access below)

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Dayo-Owoyemi, Ifeloju. "Taxonomic assessment and biotechnological potential of yeasts hold at the Unesp - Central for microbial resources /". Rio Claro, 2012. http://hdl.handle.net/11449/103973.

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Orientador: Fernando Carlos Pagnocca
Coorientador: André Rodrigues
Banca: Lara Durães Sette
Banca: Vanderlei Gerlado Martins
Banca: Paula Benevides de Morais
Banca: Aline Silva
Resumo: Atualmente, existe um crescente interesse em explorar diversos habitats, a fim de revelar a biodiversidade microbiana, incluindo as leveduras. Tal diversidade ainda não acessada guarda a descoberta de novas espécies para ciência, provavelmente muitas das quais com potencial para aproveitamento em processos biotecnológicos. Com o objetivo de explorar e conservar a diversidade de fungos, o Central de Recursos Microbianos da UNESP (CRM - UNESP) mantém em seu acervo várias estirpes de leveduras isoladas de ecossistemas diversos, sendo alguns deles pouco explorados. No início deste trabalho sabíamos que muitas das leveduras depositadas no acervo do CRM - UNESP não estavam totalmente caracterizadas tanto em nível taxonômico, quanto em relação ao potencial biotecnológico que poderiam apresentar. Portanto, o presente estudo foi desenhado para caracterizar e identificar taxonomicamente leveduras depositadas no CRM - UNESP, bem como selecionar estirpes que produzem enzimas extracelulares degradadoras de polissacarídeos como amilase, celulase, xilanase, pectinase e ligninase. Usando uma abordagem polifásica, um total de 340 isolados de leveduras foi identificado, sendo que 71,2% compreendem 43 taxa de ascomicetos e os restantes 28,8% foram classificados em 27 taxa de basidiomicetos. O estudo também levou à descoberta de 8 prováveis novas espécies. Baseado nesta constatação, a classificação taxonômica e análise filogenética foi realizada para duas espécies anamórficas de ascomicetos e uma espécie teleomórfica de basidiomiceto. A descrição destas três espécies é apresentada neste estudo. Os resultados demonstraram que Wickerhamiella kiyanii FB1-1DASPT e W. pindamonhangabaensis H10YT pertencem à clade Wickerhamiella da ordem Saccharomycetales... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: In recent time, there has been an increasing interest in exploring diverse ecological habitats in order to reveal the yeast biodiversity. The increased awareness in the biotechnological potentials of yeasts has also spurred attempts to search for new species with novel biotechnological capabilities. Aiming to explore and conserve the fungal diversity from various ecosystems, the UNESP - Central for Microbial Resources (UNESP - CMR) harbors various strains of ecologically diverse yeasts isolates, some of which were yet to be identified. Therefore, this study was designed to identify and characterize some yeasts from the UNESP - MRC and to select strains possessing extracellular plant polysaccharide degrading enzymes namely amylase, cellulase, xylanase, pectinase and ligninase. Using a polyphasic approach, a total of 340 strains were identified. Taxonomic classification grouped 71.2% of these isolates into 43 ascomycetous taxa while the remaining 28.8% were classified in 27 basidiomycetous taxa. The study also led to the discovery of 8 putative new species. As a result, we classified two anamorphic species in the Ascomycota and one teleomorphic species in the Basidiomycota. In this study we provide the description of both species. Our results demonstrated that the two ascomycetous species proposed as Wickerhamiella kiyanii FB1-1DASPT and W. pindamonhangabaensis H10YT belong to the Wickerhamiella clade of the Saccharomycetales (Saccharomycetes) while the basidiomycetous species proposed as Bulleromyces texanaensis ATT064T belong to the Bulleromyces / Papiliotrema / Auriculibuller clade of the Tremellales (Agaricomycotina). In order to show the significance of intraspecific diversity in yeasts, in one of our studies, we subjected 11 strains, (including the type strain CBS 8960T) of Hannaella kunmingensis... (Complete abstract click electronic access below)
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Behr, Britta Verena [Verfasser]. "The biotechnological potential for manipulating offspring sex in the rhinoceros and the elephant / Britta Verena Behr". Berlin : Freie Universität Berlin, 2010. http://d-nb.info/1024004252/34.

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Díaz, Pozo Marta. "The role of the requirement of industrial application in gene patenting : practical implications and potential impact on the progress of innovation". Thesis, Queen Mary, University of London, 2015. http://qmro.qmul.ac.uk/xmlui/handle/123456789/33939.

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The major advances in the identification of the human genome that took place from the early 1990s onwards triggered a significant increase in the number of patent applications concerning newly discovered human gene sequences that nevertheless failed to disclose the function of the isolated material, and thus did not meet the patent law requirement of industrial application. In order to address this issue the 1998 Directive on the legal protection of biotechnological inventions (Biotech Directive) 1 required patent applicants to disclose the industrial applicability of inventions covering human gene sequences and related proteins at the time of the patent application. Furthermore, the Biotech Directive established functionality-related protection for all types of genetic inventions, thus restricting the scope of protection granted to human genetic inventions to their ability to perform the industrial application disclosed by the applicant. This thesis analyses the implications of the Biotech Directive's approach towards the industrial application of human genes and fragments thereof in respect of three issues: the assessment of the industrial applicability of inventions concerning sequences or partial sequences of human genes; the distinction between discoveries and patentable inventions when the claimed subject matter is human genetic material; and the determination of the scope of protection awarded to patents over genetic information. The thesis argues that the requirement of industrial application can act as an efficient checkpoint for preventing the grant of patents over human genetic discoveries of no practical benefit to society, but also for impeding the issuance of overly broad patents in this field. At the same time, a strict interpretation of this requirement does not imply that patent authorities will systematically overlook the interests of private firms, but it is intended to set a realistic standard that serves to avoid the rise of undue barriers in the pursuit of research and innovation in this industry.

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Più fonti

Libri sul tema "Biotechnological potential"

Chen, Feng, e Yue Jiang, a cura di. Algae and their Biotechnological Potential. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4.

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Rout, S. D. Medicinal plants: Ethnomedicine & biotechnological potential. Delhi: Biotech Books, 2011.

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Asia-Pacific Conference on Algal Biotechnology (4th 2000 Hong Kong). Algae and their biotechnological potential: Proceedings of the 4th Asia-Pacific Conference on Algal Biotechnology, 3-6 July 2000 in Hong Kong. Dordrecht: Kluwer Academic Publishers, 2001.

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Comartova, Fatima, Andrey Pomazanskiy, Elena Nikitina, Saria Nanba, Timur Mel'nik e Nataliya Hromova. Law and biomedicine. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1244966.

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The rapid development of modern biomedicine creates both hopes for solving global problems of humanity, and risks associated with the enormous potential of its impact on human nature. In this regard, the processes of development and application of biomedical technologies need timely and adequate legal regulation that defines the boundaries of biotechnological intervention in human life. This publication is devoted to the theoretical development of general legal approaches to the essence, content, social orientation and the main industry features of the regulation of relations in the field of biomedicine, which would allow to form a special legal regulation in this area. For researchers, teachers, postgraduates, students, practicing lawyers, employees of public authorities.

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Ismailov, Nariman. Scientific basis of environmental biotechnology practical. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1048434.

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The monograph is devoted to modern biotechnology, which allows to solve urgent environmental problems in all areas of modern society. Described the current use of biotechnological methods for environmental protection. The common assessment of the environment, the analysis bioaccumulating capacity of the biosphere, presented information on bio-ecological potential of human society. Considers the issues of technological bio-energetics, obtaining biodegradable materials, different fields of organic waste, bioremediation of soils contaminated with petroleum products, pesticides, heavy metals, solid waste processing, utilization of oil sludge and drill cuttings, cleaning of soil and groundwater from contamination, the use of biotechnology in the oil industry and others Described the modern problems of organic agriculture and the progress in this area. Discussed microbiological, biochemical and technological fundamentals of these processes. The prospects of the use of biotechnology in integrated environmental protection. Discusses the modern view of ecological culture and ecological civilization in the framework of the problems under consideration. Designed for teachers, students, engineers, ecologists, agricultural workers, civil servants, decision-makers, engaged in the manufacture engaged in the development of programs for socio-ecological sustainable development.

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(Editor), Feng Chen, e Yue Jiang (Editor), a cura di. Algae and their Biotechnological Potential. Springer, 2001.

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Jan, Marcel, e Przemek Kazik. Nannochloropsis: Biology, Biotechnological Potential and Challenges. Nova Science Publishers, Incorporated, 2017.

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Marine Resources Application Potential for Biotechnological Purposes. MDPI, 2021. http://dx.doi.org/10.3390/books978-3-0365-1735-3.

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Ma, Ying, e Christopher Rensing, a cura di. Biotechnological Potential of Plant-Microbe Interactions in Environmental Decontamination. Frontiers Media SA, 2020. http://dx.doi.org/10.3389/978-2-88963-292-3.

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The Marine Microbiome: An Untapped Source of Biodiversity and Biotechnological Potential. Springer, 2016.

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Capitoli di libri sul tema "Biotechnological potential"

Luna, Gian M. "Biotechnological Potential of Marine Microbes". In Hb25_Springer Handbook of Marine Biotechnology, 651–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-53971-8_26.

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Yap, C. Y., e F. Chen. "Polyunsaturated Fatty Acids: Biological Significance, Biosynthesis, and Production by Microalgae and Microalgae-Like Organisms". In Algae and their Biotechnological Potential, 1–32. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_1.

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Xia, J. L., Z. Y. Nie e J. M. Levert. "Changes in Content, Constituents and Distribution of Constitutive and Excreted Sugars of Spirulina (Arthrospira) Maxima in Nutrient-Limited Batch Cultures". In Algae and their Biotechnological Potential, 135–46. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_10.

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Cañizares-Villanueva, R. O., S. González-Moreno e A. R. Domínguez-Bocanegra. "Growth, Nutrient Assimilation and Cadmium Removal by Suspended and Immobilized Scenedesmus Acutus Cultures: Influence of Immobilization Matrix". In Algae and their Biotechnological Potential, 147–61. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_11.

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Mathad, P., S. B. Angadi e R. D. Mathad. "Metal Sorption by Microalgae for Employment in Biotreatment of Environmental Heavy Metal Contamination". In Algae and their Biotechnological Potential, 163–79. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_12.

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Tam, N. F. Y., Y. S. Wong e A. M. Y. Chong. "Toxic Effect of Tributyltin (TBT) on Different Green Microalgal Species". In Algae and their Biotechnological Potential, 181–94. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_13.

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Balakumar, T., e V. Ravi. "Catalytic Degradation of the Herbicide Glyphosate by the Paddy Field Isolates of Cyanobacteria". In Algae and their Biotechnological Potential, 195–206. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_14.

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Vlachos, V., A. T. Critchley e A. Von Holy. "Effect of Post-Collection Storage Time and Season on the Antibacterial Activity of Selected Southern African Marine Macroalgae". In Algae and their Biotechnological Potential, 207–13. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_15.

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Barreto, M., C. J. Straker e A. T. Critchley. "Hormesis in Bioassyas of Macroalgal Fungal Propagules". In Algae and their Biotechnological Potential, 215–25. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_16.

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Liu, Z. L., e D. H. Cao. "Studies of the Pharmacology and Toxicology of Spirulina Maxima (SMNJU.02)". In Algae and their Biotechnological Potential, 233–50. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9835-4_18.

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Atti di convegni sul tema "Biotechnological potential"

Ball, A. S., C. Kleisiari, M. Hernández e M. E. Arias. "Biotechnological potential of an extracellular peroxidase from Streptomyces albus". In Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0116.

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Okoye, A. U., C. B. Chikere e G. C. Okpokwasili. "Characterization of Potential Paraffin Wax Removing Bacteria for Sustainable Biotechnological Application". In SPE Nigeria Annual International Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/198799-ms.

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Abad Ortega, Maria del Mar. "Potential biotechnological applications of microbial interactions with metals/nanomaterials: Microscopic characterization". In European Microscopy Congress 2020. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.emc2020.916.

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Yakubovskaya, A. I. "Biotechnological potential of bacteria with a high degree of associativity with Oryza sativa". In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-494.

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Kamenev, Roman, Sergey Guzhvin, Vladimir Turchin e Alisa Sevostyanova. "Biotechnological Potential of Bacterial Agents in Modern Conditions of Cultivation of Agricultural Crops". In Proceedings of the International Scientific Conference The Fifth Technological Order: Prospects for the Development and Modernization of the Russian Agro-Industrial Sector (TFTS 2019). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/assehr.k.200113.193.

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Kublanovskaya, A. A., P. A. Zaytsev, K. A. Chekanov, T. A. Fedorenko, S. G. Vasilieva, A. E. Solovchenko e E. S. Lobakova. "Comparative analysis of microbial communities from phosphorus-polluted sites from Northern (Russia) and Southern (Israel) latitudes". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.136.

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The biodiversity of microbial communities from phosphorus-polluted sites from Northern and Southern regions was investigated, groups of microorganisms with biotechnological potential were detected. According to the results, samples from Southern regions were characterized by lower biodiversity than the northern ones.

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Rosioru, Daniela. "THE CHARACTERIZATION OF THE MAIN MACROALGAE FROM ROMANIAN BLACK SEA COAST WITH POTENTIAL OF BIOTECHNOLOGICAL USE". In 18th International Multidisciplinary Scientific GeoConference SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018v/6.4/s08.036.

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Filho, M. A. Moraes, M. C. Freitas Silva, T. C. M. Stamford, K. Okada e G. M. Campos-Takaki. "Biotechnological Potential of Phanerochaete chrysosporium UCP 963 and Cunninghamella elegans UCP 596 in the Copper and Zinc Removal". In Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0037.

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PILVERE, Irina, Aleksejs NIPERS e Bartosz MICKIEWICZ. "BIOECONOMY DEVELOPMENT POTENTIAL BASED ON MORE EFFICIENT LAND USE IN THE EU". In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.101.

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Europe 2020 Strategy highlights bioeconomy as a key element for smart and green growth in Europe. Bioeconomy in this case includes agriculture, forestry, fisheries, food and pulp and paper production, parts of chemical, biotechnological and energy industries and plays an important role in the EU’s economy. The growth of key industries of bioeconomy – agriculture and forestry – highly depends on an efficient and productive use of land as a production resource. The overall aim of this paper is to evaluate opportunities for development of the main sectors of bioeconomy (agriculture and forestry) in the EU based on the available resources of land. To achieve this aim, several methods were used – monographic, analysis and synthesis, induction and deduction, statistical analysis methods. The findings show that it is possible to improve the use of land in the EU Member States. If all the Member States reached the average EU level, agricultural products worth EUR 77 bln would be annually additionally produced, which is 19 % more than in 2014, and an extra 5 billion m3 volume of forest growing stock would be gained, which is 20 % more than in 2010.

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Cônsoli, Fernando L. "Advancing on the understanding of the genome, gene expression, and potential for biotechnological exploitation of the polydnavirus associated withCotesia flavipes". In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.95117.

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