Literatura académica sobre el tema "Microbial taxonomy"
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Artículos de revistas sobre el tema "Microbial taxonomy"
Thompson, Cristiane C., Luciane Chimetto, Robert A. Edwards, Jean Swings, Erko Stackebrandt y Fabiano L. Thompson. "Microbial genomic taxonomy". BMC Genomics 14, n.º 1 (2013): 913. http://dx.doi.org/10.1186/1471-2164-14-913.
Texto completoSanford, Robert A., Karen G. Lloyd, Konstantinos T. Konstantinidis y Frank E. Löffler. "Microbial Taxonomy Run Amok". Trends in Microbiology 29, n.º 5 (mayo de 2021): 394–404. http://dx.doi.org/10.1016/j.tim.2020.12.010.
Texto completoBowman, John P. "Proteomic applications in microbial identification". Microbiology Australia 32, n.º 2 (2011): 77. http://dx.doi.org/10.1071/ma11077.
Texto completoHÖFLING, José F., Edvaldo A. R. ROSA, Mirian J. BAPTISTA y Denise M. P. SPOLIDÓRIO. "New Strategies on Molecular Biology Applied to Microbial Systematics". Revista do Instituto de Medicina Tropical de São Paulo 39, n.º 6 (noviembre de 1997): 345–52. http://dx.doi.org/10.1590/s0036-46651997000600007.
Texto completoKapili, Bennett J. y Anne E. Dekas. "PPIT: an R package for inferring microbial taxonomy from nifH sequences". Bioinformatics 37, n.º 16 (13 de febrero de 2021): 2289–98. http://dx.doi.org/10.1093/bioinformatics/btab100.
Texto completoMoore, Edward R. B., Sashka A. Mihaylova, Peter Vandamme, Micah I. Krichevsky y Lenie Dijkshoorn. "Microbial systematics and taxonomy: relevance for a microbial commons". Research in Microbiology 161, n.º 6 (julio de 2010): 430–38. http://dx.doi.org/10.1016/j.resmic.2010.05.007.
Texto completoTamames, Javier y Ramon Rosselló-Móra. "On the fitness of microbial taxonomy". Trends in Microbiology 20, n.º 11 (noviembre de 2012): 514–16. http://dx.doi.org/10.1016/j.tim.2012.08.012.
Texto completoGreen, J. L., B. J. M. Bohannan y R. J. Whitaker. "Microbial Biogeography: From Taxonomy to Traits". Science 320, n.º 5879 (23 de mayo de 2008): 1039–43. http://dx.doi.org/10.1126/science.1153475.
Texto completoTsai, Ming-Hsin, Yen-Yi Liu, Von-Wun Soo y Chih-Chieh Chen. "A New Genome-to-Genome Comparison Approach for Large-Scale Revisiting of Current Microbial Taxonomy". Microorganisms 7, n.º 6 (3 de junio de 2019): 161. http://dx.doi.org/10.3390/microorganisms7060161.
Texto completoChun, Jongsik y Fred A. Rainey. "Integrating genomics into the taxonomy and systematics of the Bacteria and Archaea". International Journal of Systematic and Evolutionary Microbiology 64, Pt_2 (1 de febrero de 2014): 316–24. http://dx.doi.org/10.1099/ijs.0.054171-0.
Texto completoTesis sobre el tema "Microbial taxonomy"
Mheen, Hye Sook. "Computer program for polyphasic taxonomy". Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299419.
Texto completoEl, Semary Nermin Adel Hussein. "Anabaena and associated bacteria : molecular approaches to studying microbial community structure and taxonomy". Thesis, University of Bristol, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420889.
Texto completoMelo, Ricardo Rodrigues de 1985. "Produção e caracterização bioquímica de uma nova transglutaminase microbiana = Production and biochemical characterization of a new microbial transglutaminase". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254360.
Texto completoDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos
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Resumo: Transglutaminase é uma enzima capaz de catalisar a formação de ligações cruzadas intra- e intermoleculares entre proteínas, peptídeos e aminas primárias por meio de ligações covalentes entre resíduos de lisina e glutamina. Desta forma, transglutaminase pode ser utilizada em diversos setores industriais para o desenvolvimento de novos produtos ou para a modificação de suas características. A linhagem B6 isolada de amostra de solo coletada na região do Estado de Minas Gerais foi identificada como tendo características morfológicas típicas de actinomicetos e pela análise da região 16S rRNA há colocou na subclasse Streptomyces próximo a linhagem Streptomyces angustmycinicus NBRC 3934T. A fim de aumentar a produção de transglutaminase (2,75 U/mL) pela linhagem Streptomyces sp. B6, o meio de fermentação foi submetido a processos de otimização. Como primeiro passo da otimização, o crescimento do micro-organismo e a produção da enzima foram estudados através de uma pré-seleção de fontes de carbono, nitrogênio e sais no meio de produção. Após as análises das diferentes fontes, um delineamento experimental do tipo Plackett-Burman foi utilizado para a seleção dos componentes do meio de cultivo que afetam a produção de transglutaminase. Os resultados do delineamento experimental indicaram que a produção de transglutaminase foi influenciada negativamente pela peptona bacteriológica e MgSO4.7H2O, positivamente pelo amido de batata, glicose, peptona de caseína e KH2PO4.7H2O e não foi influenciada pelo farelo de soja, considerando um nível de confiança de 95%. A concentração de amido de batata foi fixada no maior nível testado no planejamento Plackett-Burman devido à gelificação do meio de fermentação em concentrações maiores. Assim, os três fatores que influenciaram a produção de transglutaminase (glicose, peptona de caseína e KH2PO4.7H2O) foram otimizados para obter o máximo de produção da enzima utilizando delineamento composto central. Sob a condição otimizada, a qual continha 25 g/L de farinha de soja, 35 g/L de amido de batata, 5 g/L de glicose, 24,5 g/L de peptona de caseína e 8 g/L de KH2PO4.7H2O, a atividade enzimática atingiu 6,13 U/mL, apresentando 125% à mais de atividade em relação á obtida no meio antes da otimização. A transglutaminase microbiana produzida pela linhagem Streptomyces sp. B6 exibiu atividade ótima em 45°C e em pH de 6,5 e 11,0. A enzima manteve-se estável na faixa de pH 3,0-11,0 durante 60 minutos à 40°C durante 3 horas. A transglutaminase não foi inibida por Ca2+, Na+, Co2+, Mn2+, K+, Mg2+, Ba2+, EDTA, L-cisteína e glutationa na concentração de 5 mM, mas foi inibida na presença de Hg2+, Cu2+, Zn2+ e Fe2+ na concentração de 5mM. A linhagem Streptomyces sp. B6 é uma nova fonte de transglutaminase com características interessantes para aplicações biotecnológicas
Abstract: Transglutaminase is an enzyme capable of catalyzing the forming intra-and intermolecular cross-linking between proteins, peptides and primary amines by covalent bonds between lysine and glutamine residues. Thus, transglutaminase can be used in food processing industries to develop new products and modify their characteristics. The B6 strain was isolated from soil sample collected in the region state of Minas Gerais was identified as having morphological characteristics typical of the actinomycetes, and the 16S rRNA analysis placed it in the Streptomyces subclade, closely related to Streptomyces angustmycinicus NBRC 3934T. In order to increase the transglutaminase production (2.75 U/mL) from Streptomyces sp. B6 strain, the fermentation medium was subjected to optimization processes. In the first step of optimization, the micro-organism growth and enzyme production were studied through a pre-selection of carbon, nitrogen and salts sources in the culture medium. After analysis of different sources, the Plackett¿Burman experimental design was used for screening the components of the culture medium that affect the transglutaminase production. Results of the experiment indicated that production of transglutaminase was negatively influenced by bacteriological peptone and MgSO4.7H2O, positively influenced by potato starch, glucose, casein peptone and KH2PO4.7H2O and was not influenced by soybean meal, considering 95% of confidence level. The potato starch concentration was fixed at the highest level tested in Plackett¿Burman design due to gelation of the fermentation medium in higher concentrations. Thus, the three factors that influence the transglutaminase production (glucose, casein peptone and KH2PO4.7H2O concentrations) were optimized to obtain the maximum transglutaminase production using central composite design. Under the proposed optimized condition, which contained 25 g/L soybean meal, 35 g/L potato starch, 5 g/L glucose, 24.5 g/L casein peptone and 8 g/L KH2PO4.7H2O, the enzyme activity reached 6.13 U/mL, which was 125% more than the activity in relative obtained medium before optimization. The microbial transglutaminase produced by Streptomyces sp. B6 strain exhibited optimal activity at 45 oC and at pH 6.5 and 11.0. The enzyme remained stable in the pH range from 3.0 - 11.0 for 60 minutes and at 40 oC temperature for 3 hours. The transglutaminase was not inhibited by Ca2+, Na+, Co2+, Mn2+, K+, Mg2+, Ba2+, EDTA, L-cysteine and glutathione in concentration 5 mM, but was inhibited in the presence of Hg2+, Cu2+, Zn2+ and Fe2+ in concentration 5 mM. In conclusion, Streptomyces sp. B6 strain is a new source of transglutaminase with interesting features for biotechnological applications
Mestrado
Ciência de Alimentos
Mestre em Ciência de Alimentos
Buckley, Elan. "Change in the Structure of Soil Microbial Communities in Response to Waste Amendments". Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/101499.
Texto completoM.S.
Soil is complicated, both in terms of its physical makeup and the organisms that live inside of it. Predicting changes in soil based on the addition of foreign material such as chemicals or biological waste is not an easy process, and whether or not it is even possible to reliably predict those changes is a matter of some dispute. This study is designed to illustrate that such changes can in fact be reliably and consistently predicted even with regard to the addition of complicated materials to the soil. In this study, specifically, the material in question is chicken litter. A mix of the bedding and waste produced by chickens, litter is commonly handled by composting and is added to soil in farms as a fertilizer rich in organic matter. It is possible to point at specific elements of the soil such as the chemistry and bacteria and see how it is changed with the addition of chicken litter, which allows us to determine the nature and extent of the change that chicken litter has on soil. This study is conducted on a larger scale than similar experiments conducted in the past, making it apparent that these relationships exist on a repeated basis. It is the object of this study to pave the way and make it easier for scientists in the future to determine these relationships in other unique contexts.
Blank, Carrine E., Hong Cui, Lisa R. Moore y Ramona L. Walls. "MicrO: an ontology of phenotypic and metabolic characters, assays, and culture media found in prokaryotic taxonomic descriptions". BIOMED CENTRAL LTD, 2016. http://hdl.handle.net/10150/614758.
Texto completoShahrivar, Damon. "Accurate and fast taxonomic profiling of microbial communities". Thesis, KTH, Kommunikationsteori, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-162919.
Texto completoNya tekniker inom DNA-sekvensering har givit upphov till en explosion pa data som nns att tillga. Nasta generations DNA-sekvensering generar baspar som stracker sig i miljonerna och mangden data okas i en exponentiell takt, vilket ar varfor det nns ett stort behov av ny skalbar metodik som kan analysera kvantitiv data for att fa ut relevant information. Den bakteriella artfordelning av ett provror ar en sadan problemst allning inom meta-genomik, vilket har era tillampningsomraden som exempelvis, studier av fettma. I dagslaget sa ar den vanligaste metoden for att fa ut artfordelningen genom att klassiera DNA-strangarna av bakterierna, vilket ar en tidskravande losning som kan ta upp emot ett dygn for att processera data med hog upplosning. En snabb och tillforlitlig losning skulle darfor tillata er forskare att ta del av nasta generations sekvensering och analysera dess data som i sin tur skulle ge upphov till mer innovation inom omradet. Alternativa losningar med inspiration fran signalbehandlig har hittats som nyttjar problemestallningens glesa natur genom anvandning av Compressed Sensing. Svar hittas genom att simultant tilldela strangar till en for-processerad referensdatabas. Problemstallningen har forenklats till en statistisk modell av provror med ickeparametrisk estimering for att implicit fa ut fordelningen av bakteriearter med hjalp av konvex optimering. Denna rapport foreslar anvandningen av klustrering for aggregering av data for att forbattra tillforlitligheten av svaren och minska tiden for berakning av dessa. Anvandningen av parametriska modeller, Dirichlet fordelningen, har utforskats dar rapporten har kommit fram till att antaganden for lampligheten av denna som ett medel att aggregera k-mer vektorer ~Ar rimliga men att parameterestimeringen med Expectation Maximization ej fungerar val i samband med Dirichlet och en omskrivning av parametern skulle behovas i vektorrymden som spans av 16S rRNA genen. Slutligen sa har distansbaserad tilldelning av bakterier testats pa data fran verklig biologisk kontext med valdigt hog noggranhet. ii
Toczydlowski, David G. "Aquatic microbial community responses to stress: comparison of nontaxonomic and taxonomic indices". Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/45672.
Texto completoSignificant differences in responses were discernible in 3 d when communities were transferred from reference to polluted sites. Chla/Pheo decreased more rapidly than other measurements. The predictive capability of laboratory flowâ through microcosm tests was examined by simultaneously transferring communities from upstream reference sites to downstream field sites and to various dilutions of field effluent in the laboratory.
Master of Science
Macedo, Juliana Alves 1982. "Produção, purificação, caracterização e aplicação de transglutaminase de Streptomyces sp. CBMAI 837". [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254362.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos
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Resumo: A transglutaminase (TGase) (EC 2.3.2.13; proteina-glutamina ?-glutaminiltransferase) é uma enzima capaz de catalisar reações de transferência de grupos acil utilizando resíduos de glutamina das ligações peptídicas de proteínas como doadores de grupos acil, e diversas aminas primárias como receptores. As ligações covalentes cruzadas entre inúmeras proteínas e peptídeos pela transglutaminase promovem mudanças nas propriedades de proteínas de alimentos. Por essa razão, a transglutaminase é amplamente utilizada nas indústrias de processamento de alimentos para o desenvolvimento de novos produtos e modificação de características como: viscosidade, capacidade emulsificante e valores nutricionais. Uma cepa de Actinomyceto, isolada de amostras de solo brasileiro, foi investigada taxonomicamente por uma combinação de técnicas moleculares e morfológicas, resultando na conclusão de que a cepa pertence ao gênero Streptomyces sp. A cepa, chamada de Streptomyces sp. CBMAI 837 produziu transglutaminase quando cultivada a 30°C por cinco dias, em agitador rotatório, no meio de fermentação otimizado, composto por: 0,2% KH2PO4, 0,1% MgSO4.7H2O, 2% farinha de soja, 2% amido de batata, 0,2% glicose, e 2% peptona, atingindo uma atividade enzimática de 1,37 U.mL-1. A transglutaminase foi purificada cerca de 5 vezes através de duas passagens cromatográficas sucessivas em uma coluna de filtração em gel Sephadex G-75, com 17% de recuperação. A purificação da proteína foi comprovada por homogeneidade eletroforética em SDS-PAGE. A massa molar da TGase foi estimada em cerca de 45 kDa. A transglutaminase de Streptomyces sp CBMAI 837, tanto na forma bruta quanto purificada, apresentou atividade enzimática ótima em pH 6,0-6,5, e em 35-40°C. Um segundo pico de atividade ótima foi observado em pH 10,0 na enzima no estado bruto. Ambas as formas da enzima foram estáveis na faixa de pH de 4,5 a 8,0 e até 45°C. A transglutaminase na forma bruta e purificada mostrou-se independente de íons cálcio, mas foi ativada na presença de K+, Ba2+, e Co2+; e inibida por Cu2+ e Hg2; o que sugere a presença de um grupo tiol no sítio ativo da enzima. A TGase purificada apresentou um Km de 6,37 mM e um Vmax de 1,70 U/mL, enquanto a enzima bruta apresentou Km de 6,52 mM e um Vmax de 1,35 U/mL para o substrato N-carbobenzoxi-L-glutaminil-glicina. A influência da transglutaminase de Streptomyces sp CBMAI 837 bruta, nas propriedades de géis ácidos de caseinato de sódio foi investigada, tendo como parâmetro géis preparados com a TGase comercial (Ajinomoto Inc.). Os géis com a enzima comercial tiveram um valor de módulo de elasticidade maior, porém, dependendo da concentração de proteína, estes foram menos deformáveis. Os géis com enzima bruta de Streptomyces sp. CBMAI 837 se mostraram muito mais rígidos e menos elásticos. Resultados da eletroforese indicaram que a enzima comercial promoveu a formação de polímeros de proteínas de massa molecular mais alta do que a enzima de Streptomyces sp. CBMAI 837. Os testes de microscopia eletrônica de varredura e da capacidade de retenção de água mostraram que características particulares de cada um dos géis poderiam estar associadas ao tipo específico de interação promovida por cada uma das amostras enzimáticas testadas
Abstract: Transglutaminase (EC 2.3.2.13; protein-glutamine ?-glutaminyltransferase) is an enzyme that catalysis an acyl transfer reaction using protein or peptide-bond glutamine residues as acyl donors and several primary amines as receptors. The covalent cross-links between a number of proteins and peptides introduced by transglutaminase promote modification of the functional properties of the food proteins. Therefore, transglutaminase are widely used by food-processing industries for the purpose of new product development, modification of the product properties such as viscosity, emulsification foaming and nutritional values. An actinomycete strain, isolated from Brazilian soil, was taxonomically investigated using a combination of molecular and morphological basedmethods, resulting on the conclusion that the strain belongs to the genus Streptomyces sp. The strain, named Streptomyces sp. CBMAI 837, produce transglutaminase when cultivated at 30°C for 5 days at 200 rpm in a rotatory shaker, on the optimized fermentation medium composed of 0.2% KH2PO4, 0.1% MgSO4.7H2O, 2% soybean flour, 2% potato starch, 0.2% glucose, and 2% peptone, with a enzymatic activity of 1.37 U.mL-1. The enzyme purification was performed by of two successive chromatographies on Sephadex G-75 columns with yields of 48% and 17%, respectively. The protein purification was successfully achieved to electrophoretical homogeneity on SDS-PAGE. The molecular mass of the MTGase was estimated to be about 45 kDa. The enzyme from Streptomyces sp., in both crude and pure forms, exhibited optimal activity in the 6.0-6.5 pH range and at 35-40°C. A second maximum of activity was observed at pH 10.0 on the crude Streptomyces sp. enzyme. Both forms of transglutaminase were stable over the pH range from 4.5 to 8.0 and up to 45°C. The activities of all the TGase samples were independent of Ca+2 concentration, but they were elevated in the presence of K+, Ba2+, and Co2+ and inhibited by Cu2+ and Hg2+, which suggests the presence of a thiol group in the TGase¿s active site. The purified enzyme presented Km of 6.37 mM and Vmax of 1.7 U/mL, while the crude enzyme demonstrated Km of 6.52 mM and Vmax of 1.35 U/mL. The influence of the transglutaminase on acid-gel properties was studied. Texture parameters showed that the commercial TGase (Ajinomoto Inc.) gels had greater values of elasticity modulus and could promote the formation of more elastic and soft food systems, while addition of the crude TGase of Streptomyces sp. CBMAI 837 to the gel led to the formation of more rigid and less elastic gels. The electrophoresis showed that the commercial TG enzyme in this system promoted higher molecular mass protein polymers than the enzyme from Streptomyces sp. CBMAI 837. Microscopy and water holding capacity (WHC) observations showed that all the gel characteristics could be associated to specific interactions promoted by each TGase tested
Doutorado
Doutor em Ciência de Alimentos
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.
Texto completoAtualmente, 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)
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.
Texto completoCoorientador: 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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Libros sobre el tema "Microbial taxonomy"
Chowdhury, A. On taxonomy and ecology of earthworms (Annelida: Oligochaeta) from uncultivated and waste disposal sites of West Bengal with some notes on their microbial association. Kolkata: Zoological Survey of India, 2011.
Buscar texto completoRekadwad, Bhagwan. Microbial Systematics: Taxonomy, Microbial Ecology, Diversity. Taylor & Francis Group, 2020.
Buscar texto completoRekadwad, Bhagwan. Microbial Systematics: Taxonomy, Microbial Ecology, Diversity. Taylor & Francis Group, 2020.
Buscar texto completoRekadwad, Bhagwan. Microbial Systematics: Taxonomy, Microbial Ecology, Diversity. Taylor & Francis Group, 2020.
Buscar texto completoRekadwad, Bhagwan. Microbial Systematics: Taxonomy, Microbial Ecology, Diversity. Taylor & Francis Group, 2020.
Buscar texto completoMicrobial Systematics: Taxonomy, Microbial Ecology, Diversity. Taylor & Francis Group, 2022.
Buscar texto completoLactic Acid Bacteria Biodiversity and Taxonomy. Wiley-Blackwell, 2013.
Buscar texto completoGodbole, Suchitra y Dhara P. Sachdev. Basic Concepts and Recent Advances in Microbial Diversity, Taxonomy, Speciation and Evolution. Cambridge Scholars Publishing, 2024.
Buscar texto completoNA. Microbio with Diseases Taxonomy& Microbio Pk. Addison Wesley Publishing Company, 2007.
Buscar texto completoNA. Microbio with Diseases Taxonomy& Microbio Pk. Addison Wesley Publishing Company, 2007.
Buscar texto completoCapítulos de libros sobre el tema "Microbial taxonomy"
Thompson, Cristiane C., Livia Vidal, Vinicius Salazar, Jean Swings y Fabiano L. Thompson. "Microbial Genomic Taxonomy." En Trends in the systematics of bacteria and fungi, 168–78. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789244984.0168.
Texto completoKristjansson, Jakob K., Gudmundur O. Hreggvidsson y William D. Grant. "Taxonomy of Extremophiles". En Applied Microbial Systematics, 231–91. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4020-1_9.
Texto completoSemikhatov, Mikail A. y Maria E. Raaben. "Proterozoic Stromatolite Taxonomy and Biostratigraphy". En Microbial Sediments, 295–306. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04036-2_32.
Texto completoRudramurthy, Shivaprakash M. y Harsimran Kaur. "Taxonomy and Classification of Fungi". En Microbial Zoonoses, 3–19. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-3214-2_1.
Texto completoHofbauer, Wolfgang Karl y Georg Gärtner. "Aerophytic Organisms Colonizing Façades: Diversity, Taxonomy and Ecophysiology". En Microbial life on Façades, 29–191. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-54833-2_3.
Texto completoWard, Alan C. y Michael Goodfellow. "Phylogeny and Functionality: Taxonomy as a Roadmap to Genes". En Microbial Diversity and Bioprospecting, 288–313. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555817770.ch28.
Texto completoRai, Anusha, Indu, N. Smita, G. Deepshikha, K. Gaurav, K. Dhanesh, G. Suresh, Ch Sasikala y Ch V. Ramana. "Emerging Concepts in Bacterial Taxonomy". En Microbial Diversity in Ecosystem Sustainability and Biotechnological Applications, 3–22. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8315-1_1.
Texto completoMuhammad, Murad, Bhagwan Narayan Rekadwad, Tayyiba Habib, Lei Dong, Wael N. Hozzein y Wen-Jun Li. "Applications of Bioactive Compounds from Novel Microbial Taxa". En Modern Taxonomy of Bacteria and Archaea, 195–208. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-5720-0_10.
Texto completoSalam, Nimaichand, Shuai Li y Wen-Jun Li. "Minimal Taxonomic Standards for Declaration of New Microbial Species". En Modern Taxonomy of Bacteria and Archaea, 1–12. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-5720-0_1.
Texto completoKale, Varsha, Lorna Richardson y Robert D. Finn. "Navigating bacterial taxonomy in a world of unchartered microbial organisms." En Trends in the systematics of bacteria and fungi, 179–97. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789244984.0179.
Texto completoActas de conferencias sobre el tema "Microbial taxonomy"
Abhishek, S., Anjali T, Prathibha Prakash y Rina Barouch Bentov. "Microbial Taxonomy: An Artful Exploration of Microbes with Neural Networks". En 2023 International Conference on Intelligent Computing, Communication & Convergence (ICI3C), 365–70. IEEE, 2023. http://dx.doi.org/10.1109/ici3c60830.2023.00076.
Texto completoEnzien, Michael, Sadie Starustka, Michael Gurecki, Trinity Fincher-Miller, Bryce Kuhn, Carly Sowecke, Kody Jones, Kevin O'Sullivan, Kyle Norris y Jason Stidham. "Metagenomics Microbial Characterization of Production and Process Fluids in the Powder River Basin: Identification and Sources of Problematic Microorganisms Associated with SWD Facilities". En SPE International Conference on Oilfield Chemistry. SPE, 2021. http://dx.doi.org/10.2118/204335-ms.
Texto completoEgovtseva, A. Yu, T. N. Melnichuk y S. F. Abdurashitov. "The influence of farming systems and microbial preparations on the structure of the microbocenosis of the rhizosphere of Triticum aestivum L." En 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.063.
Texto completoMuratova, A. Yu, A. A. Nurzhanova y O. V. Turkovskaya. "Effect of heavy metals and hydrocarbons on rhizosphere microbial communities of Miscanthus × giganteus". En 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.178.
Texto completoPyliak, Nina y Basil Khodorchuk. "The biotechnological potential of microorganisms determination for creating complex preparations with insect-fungicidal properties". En Scientific International Symposium "Plant Protection – Achievements and Perspectives". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2023. http://dx.doi.org/10.53040/ppap2023.29.
Texto completoForona, B., S. Ramakrishnan, V. Keerthieswar, S. Sowmiya, S. Swetha y K. Ram. "Taxonomic and functional metagenomic profiling of microbial communities in urine sample". En THE 8TH ANNUAL INTERNATIONAL SEMINAR ON TRENDS IN SCIENCE AND SCIENCE EDUCATION (AISTSSE) 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0108036.
Texto completoKulikova, D. B., E. V. Prazdnova, K. A. Demin, M. S. Mazanko, F. Y. Morgan-Blanche y A. V. Gorovtsov. "MODELING CONDITIONS FOR CULTIVATION OF SOIL MICROORGANISMS". En STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. ООО «ДГТУ-Принт» Адрес полиграфического предприятия: 344003, г. Ростов-на-Дону, пл. Гагарина,1., 2024. http://dx.doi.org/10.23947/interagro.2024.152-155.
Texto completoKameneva, I., T. Melnichuk, S. Abdurashitov, E. Andronov, A. Yakubovskaya, M. Gritchin y A. Prikhodko. "The taxonomic composition of the microbial community of the southern chernozem when introducing plant substrates and their destructors". En 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.109.
Texto completoTurner, Christina A. y Craig Moyer. "TAXONOMIC AND FUNCTIONAL ANALYSIS OF MICROBIAL MAT COMMUNITIES OF MARIANA REGION HYDROTHERMAL VENTS". En GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-308566.
Texto completoPuhalsky, Ya V., S. I. Loskutov, E. M. Lapteva, Yu A. Vinogradova, V. A. Kovaleva y E. M. Perminova. "The effect of organic fertilizers on the taxonomic composition of microbial communities in agro-soddy-podzolic soils of the middle taiga". En 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.201.
Texto completoInformes sobre el tema "Microbial taxonomy"
Minz, Dror, Stefan J. Green, Noa Sela, Yitzhak Hadar, Janet Jansson y Steven Lindow. Soil and rhizosphere microbiome response to treated waste water irrigation. United States Department of Agriculture, enero de 2013. http://dx.doi.org/10.32747/2013.7598153.bard.
Texto completoMizrahi, Itzhak y Bryan A. White. Exploring the role of the rumen microbiota in determining the feed efficiency of dairy cows. United States Department of Agriculture, octubre de 2011. http://dx.doi.org/10.32747/2011.7594403.bard.
Texto completoWeinberg, Zwi G., Adegbola Adesogan, Itzhak Mizrahi, Shlomo Sela, Kwnag Jeong y Diwakar Vyas. effect of selected lactic acid bacteria on the microbial composition and on the survival of pathogens in the rumen in context with their probiotic effects on ruminants. United States Department of Agriculture, enero de 2014. http://dx.doi.org/10.32747/2014.7598162.bard.
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