Pseudomonas Putida
Mostrando 13-24 de 1094 artigos, teses e dissertações.
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13. Further characterization of o-nitrobenzaldehyde degrading bacterium Pseudomonas sp: ONBA-17 and deduction on its metabolic pathway
A previously reported o-nitrobenzaldehyde (ONBA) degrading bacterium Pseudomonas sp. ONBA-17 was further identified and characterized. Based on results of DNA base composition and DNA-DNA hybridization, the strain was identified as P. putida. Its degradation effect enhanced with increase of inoculum amount and no lag phase was observed. Higher removal rate w
Braz. J. Microbiol.. Publicado em: 2014-12
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14. Growth kinetics, effect of carbon substrate in biosynthesis of mcl-PHA by Pseudomonas putida Bet001
Growth associated biosynthesis of medium chain length poly-3-hydroxyalkanoates (mcl-PHA) in Pseudomonas putida Bet001 isolated from palm oil mill effluent was studied. Models with substrate inhibition terms described well the kinetics of its growth. Selected fatty acids (C8:0 to C18:1) and ammonium were used as carbon and nitrogen sources during growth and P
Braz. J. Microbiol.. Publicado em: 2014-06
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15. Production of polypeptide antibiotic from Streptomyces parvulus and its antibacterial activity
A highly potent secondary metabolite producing actinomycetes strain is isolated from marine soil sediments of Visakhapatnam sea coast, Bay of Bengal. Over all ten strains are isolated from the collected soil sediments. Among the ten actinomycetes strains the broad spectrum strain RSPSN2 was selected for molecular characterization, antibiotic production and i
Braz. J. Microbiol.. Publicado em: 08/04/2014
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16. Antifungal compounds as a mechanism to control Hemileia vastatrix by antagonistic bacteria
Pseudomonas putida P286 and Bacillus thuringiensis B157 controlled coffee rust under greenhouse and field conditions. Now we studied the mechanism(s) of antagonism of both bacteria to Hemileia vastatrix. Bacterial effects on urediniospore germination and disease severity were evaluated in experiments with six treatments: (i) growth broth, (ii) supernatant ce
Trop. plant pathol.. Publicado em: 2013-10
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17. In situ biosurfactant production and hydrocarbon removal by Pseudomonas putida CB-100 in bioaugmented and biostimulated oil-contaminated soil
In situ biosurfactant (rhamnolipid) production by Pseudomonas putida CB-100 was achieved during a bioaugmented and biostimulated treatment to remove hydrocarbons from aged contaminated soil from oil well drilling operations. Rhamnolipid production and contaminant removal were determined for several treatments of irradiated and non-irradiated soils: nutrient
Braz. J. Microbiol.. Publicado em: 2013
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18. Estudos da correlação estrutura-função da enzima Clorocatecol 1,2-Dioxigenase de Pseudomonas putida / Studies of the structure-function correlation of the chlorocatechol 1,2-dioxygenase enzyme from Pseudomonas putida
O intenso uso de compostos orgânicos em conjunto com o grande avanço industrial culminou em um enorme acúmulo de poluentes orgânicos no meio ambiente. Dentre estes poluentes têm-se destacado a presença de hidrocarbonetos aromáticos altamente tóxicos e resistentes à degradação física, química, fotolítica e biológica. Desta maneira, uma nova for
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/02/2012
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19. Isolamento de bactérias tolerantes e fatores que afetam a transformação de metilmercúrio por Pseudomonas putida V1 in vitro / Isolation of tolerant bacteria and factors that affect in vitro TRANSFORMATION OF METHYLMERCURY by Pseudomonas putida V1
As atividades industrial e urbana podem levar à contaminação do ambiente com mercúrio e este causa inúmeros problemas relacionados à saúde do homem e de animais. Os ambientes contaminados com mercúrio e suas formas selecionam micro-organismos tolerantes a esse metal e desta forma podem ser utilizados como estratégia de remediação destes ambientes.
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
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20. Construção de biossensor para detecção de compostos BTEX baseado em fosfatase alcalina sob regulação xylR/Pu e avaliação de sua regulação metabólica. / Construction of a biosensor for BTEX compounds detection based on alkaline phosphatase in regulation xylR/Pu and evaluation of its metabolic regulation.
Este projeto teve como objetivo a construção de biosensores para a detecção de compostos monoaromáticos do grupo BTEX a partir dos componentes da via de degradação de compostos monoaromáticos codificada no plasmídeo TOL de Pseudomonas putida, mais precisamente: o promotor Pu e a proteína reguladora XylR, que ativa o promotor Pu após a ligação ao
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 21/06/2011
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21. Biocontrole da mancha-angular do feijoeiro por antagonistas bacterianos
O objetivo deste trabalho foi avaliar o efeito de isolados de Bacillus cereus e Pseudomonas putida sobre a severidade da mancha-angular do feijoeiro, em condições de campo. Quatro experimentos foram conduzidos em épocas favoráveis à mancha-angular (Pseudocercospora griseola), com as cultivares Pérola e Ouro Negro. Os experimentos foram realizados em de
Pesquisa Agropecuária Brasileira. Publicado em: 2011-12
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22. Response surface methodology of nitrilase production by recombinant Escherichia coli
Growth and nitrilase production by recombinant Escherichia coli cells harbouring pET 21 (b) plasmid, for the expression of Pseudomonas putida nitrilase were improved using response surface methodology. Central composite design was used for obtaining ideal concentration of critical medium components which include fructose, tryptone, yeast extract and lactose.
Brazilian Journal of Microbiology. Publicado em: 2011-09
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23. Effect of culture medium on biocalcification by Pseudomonas Putida, Lysinibacillus Sphaericus and Bacillus Subtilis
The objective of this study is to investigate the efficiency of calcium carbonate bioprecipitation by Lysinibacillus sphaericus, Bacillus subtilis and Pseudomonas putida, obtained from the Coleção de Culturas do Instituto Nacional de Controle de Qualidade em Saúde (INCQS), as a first step in determining their potential to protect building materials agains
Brazilian Journal of Microbiology. Publicado em: 2011-06
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24. The occurrence of Aeromonas in drinking water, tap water and the Porsuk River
The occurrence of Aeromonas spp. in the Porsuk River, public drinking water and tap water in the City of Eskisehir (Turkey) was monitored. Fresh water samples were collected from several sampling sites during a period of one year. Total 102 typical colonies of Aeromonas spp. were submitted to biochemical tests for species differentiation and of 60 isolates w
Brazilian Journal of Microbiology. Publicado em: 2011-03