Microbial Consortia
Mostrando 1-12 de 47 artigos, teses e dissertações.
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1. The genome sequence of Dyella jiangningensis FCAV SCS01 from a lignocellulose-decomposing microbial consortium metagenome reveals potential for biotechnological applications
Abstract Cellulose and its associated polymers are structural components of the plant cell wall, constituting one of the major sources of carbon and energy in nature. The carbon cycle is dependent on cellulose- and lignin-decomposing microbial communities and their enzymatic systems acting as consortia. These microbial consortia are under constant exploratio
Genet. Mol. Biol.. Publicado em: 14/05/2018
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2. Biodegradation of crude oil by individual bacterial strains and a mixed bacterial consortium
Three bacterial isolates identified as Alcanivorax borkumensis SK2, Rhodococcus erythropolis HS4 and Pseudomonas stutzeri SDM, based on 16S rRNA gene sequences, were isolated from crude oil enrichments of natural seawater. Single strains and four bacterial consortia designed by mixing the single bacterial cultures respectively in the following ratios: (Alcan
Braz. J. Microbiol.. Publicado em: 2015-06
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3. Las degradation in a fluidized bed reactor and phylogenetic characterization of the biofilm
A fluidized bed reactor was used to study the degradation of the surfactant linear alkylbenzene sulfonate (LAS). The reactor was inoculated with anaerobic sludge and was fed with a synthetic substrate supplemented with LAS in increasing concentrations (8.2 to 45.8 mg l-1). The removal efficiency of 93% was obtained after 270 days of operation. Subsequently,
Braz. J. Chem. Eng.. Publicado em: 2013-09
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4. Estudo de consórcios microbianos na degradação da celulose / Study of microbial consortia on the degradation of cellulose
A biomassa lignocelulósica é a fonte de energia renovável mais abundante no planeta, sendo fonte de açúcares que podem ser fermentados para a obtenção de etanol. No entanto, devido a sua alta recalcitrância, poucos microrganismos conseguem hidrolisar a celulose com alta eficiência. Na natureza, esta degradação é realizada por diferentes espécies
Publicado em: 2010
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5. Exopolymeric substances (EPS) produced by petroleum microbial consortia
Durante o monitoramento de ensaios de biodegradação com consórcios microbianos recuperados de amostras de petróleo do campo Pampo Sul, Bacia de Campos, RJ, observou-se a produção de substâncias exopoliméricas (EPS) a qual ocorria independentemente do processo de biodegradação. Para potencializar essa produção utilizou-se um meio mineral enriqueci
Journal of the Brazilian Chemical Society. Publicado em: 2010
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6. Development, validation and application of molecular method based on extraction, amplification and sequencing of the rRNA for the identification of biofilm-forming bacteria on the surface of the reverse osmosis membranes. / Desenvolvimento, validação e aplicação de método molecular baseado na análise do rRNA para a identificação das bactérias formadoras de biofilme metabolicamente ativas na superfície das membranas de osmose reversa.
A method based on extraction of rRNA, followed by RT-PCR of 16S rRNA, cloning and ARDRA was optimized and validated for identification of bacteria active in biofilms. The method was first tested with artificial three-membered consortia. Cloning and RT did not lead to significant changes in the composition of the artificial consortia, but a reduction in cycle
Publicado em: 2009
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7. Degradation of agricultural solid Wastes by microorganisms isolated from sugarcane bagasse, and its percolated, and of effluents from agri-industry. / Degradação de resíduos sólidos agrícolas por microrganismos isolados de bagaço de cana e seu percolado, e de efluentes de agroindústria.
Brazil occupies a place of prominence in the productive sector, as well as in the exploitation of agricultural waste, from sugar cane. This use is a fairly widespread practice, both for effluents, mainly vinasse, but also for solid residues, such as filter-cake and bagasse from sugar cane. Thus, at the start of the 2005/06 harvest, samples were collected fro
Publicado em: 2008
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8. Biodegradation of polycyclic aromatic hydrocarbons using microbial consortia for bioremediation of contaminated soils. / Biodegradação de hidrocarbonetos aromaticos policiclicos utilizando consorcios microbianos visando a biorremediação de solos contaminados.
A biodegradação de poluentes de petróleo em um solo contaminado foi acompanhada neste estudo, avaliando o comportamento da microbiota do solo durante a utilização de hidrocarbonetos policíclicos aromáticos (HPAs) como fontes de carbono. Através da biomassa microbiana, da taxa de respiração no solo, bem como do quociente metabólico (eficiência em
Publicado em: 2007
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9. Utilização de consorcio microbiano para biorremediação do meio ambiente contaminado com derivados de petroleo. / The use of a microbial consortium for biorremediation of oil derivatives contaminated environment.
Neste trabalho foi formulado um consórcio microbiano para avaliação de seu potencial em degradar petróleo e seus derivados, em microcosmos e meio mínimo de sais. As 43 bactérias testadas na primeira fase do projeto demonstraram alguma propriedade que as classificam como potencialmente degradadoras de hidrocarbonetos. Todavia, as cepas 1, 9, 22, 23 e 36
Publicado em: 2007
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10. Evaluation of biocide activity on biofilms formed in cutting fluid employed in metal working industry / Avaliação da atividade de biocidas em biofilmes formados a partir de fluido de corte utilizado na usinagem de metais
Biofilms are complex structures consisting of interdependent microbial species associations acting as surface colonization mechanism. Once undesirably installed at an industrial plant, biofilms contribute to contaminate many process areas, because they represent sources of microbial release and dissemination, which can deteriorate products, causing financial
Publicado em: 2006
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11. Compost-Induced Suppression of Pythium Damping-Off Is Mediated by Fatty-Acid-Metabolizing Seed-Colonizing Microbial Communities
Leaf composts were studied for their suppressive effects on Pythium ultimum sporangium germination, cottonseed colonization, and the severity of Pythium damping-off of cotton. A focus of the work was to assess the role of fatty-acid-metabolizing microbial communities in disease suppression. Suppressiveness was expressed within the first few hours of seed ger
American Society for Microbiology.
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12. Cr(VI) Reduction by Sulfidogenic and Nonsulfidogenic Microbial Consortia
In time course experiments, bacterial community compositions were compared between a sulfidogenic and two nonsulfidogenic Cr(VI)-reducing consortia enriched from metal-contaminated sediments. The consortia were subjected to 0 and 0.85 mM or 1.35 mM Cr(VI), and Cr(VI) reduction, growth, and denaturing gradient gel electrophoresis profiles of PCR products of s
American Society for Microbiology.