نتایج جستجو برای: pseudomonas putida
تعداد نتایج: 53260 فیلتر نتایج به سال:
Pseudomonas putida KT2440 is an efficient colonizer of the rhizosphere of plants of agronomical and basic interest. We have demonstrated that KT2440 can protect the model plant Arabidopsis thaliana against infection by the phytopathogen Pseudomonas syringae pv. tomato DC3000. P. putida extracellular haem-peroxidase (PP2561) was found to be important for competitive colonization and essential fo...
nas incognita have been previously described as being able to utilize citronellol, geraniol, and linalool (3, 6). Recently, a 50-megadalton (MDa) plasmid has been associated with the degradation of geraniol (9). In this report we describe the isolation of a Pseudomonas fluorescens s train capable of utilizing linalool as a sole carbon and energy source and demonstrate the presence of a transmis...
Pseudomonas putida KT2440 is capable of producing medium-chain-length polyhydroxyalkanoates (MCL-PHAs) when grown on unrelated carbon sources during nutrient limitation. Transcription levels of genes putatively involved in PHA biosynthesis were assessed by quantitative real-time PCR (qRT-PCR) in P. putida grown on glycerol as a sole carbon source. The results showed that two genes, phaG and the...
In Pseudomonas aeruginosa, the operon encoding tryptophan synthase (trpBA) is positively regulated by the TrpI protein and an intermediate in tryptophan biosynthesis, indoleglycerol phosphate (InGP). A gene fusion in which the trpBA promoter directs expression of the Pseudomonas putida xylE gene was constructed. By using a P. putida F1 todE mutant carrying this fusion on a plasmid, three cis-ac...
As reported, the two-component system ColRS is involved in two completely different processes. It facilitates the root colonization ability of Pseudomonas fluorescens and is necessary for the Tn4652 transposition-dependent accumulation of phenol-utilizing mutants in Pseudomonas putida. To determine the role of the ColRS system in P. putida, we searched for target genes of response regulator Col...
Toluene-induced cells of Pseudomonas putida F1 removed trichloroethylene from growth media at a significantly greater initial rate than the methanotroph Methylosinus trichosporium OB3b. With toluene-induced P. putida F1, the initial degradation rate varied linearly with trichloroethylene concentration over the range of 8 to 80 microM (1.05 to 10.5 ppm). At 80 microM (10.5 ppm) trichloroethylene...
Genetic crosses occur by transduction between the species Pseudomonas aeruginosa and P. putida. The frequency relative to intraspecific transfer is reduced and varies among markers, suggesting that these genomes contain discrete regions of homology and nonhomology.
The Crc protein is involved in the repression of several catabolic pathways for the assimilation of some sugars, nitrogenated compounds, and hydrocarbons in Pseudomonas putida and Pseudomonas aeruginosa when other preferred carbon sources are present in the culture medium (catabolic repression). Crc appears to be a component of a signal transduction pathway modulating carbon metabolism in pseud...
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