نتایج جستجو برای: fluorescent pseudomonads
تعداد نتایج: 88336 فیلتر نتایج به سال:
Strains of Pseudomonas that produce antimicrobial metabolites and control soilborne plant diseases have often been isolated from soils defined as disease-suppressive, i.e., soils, in which specific plant pathogens are present, but plants show no or reduced disease symptoms. Moreover, it is assumed that pseudomonads producing antimicrobial compounds such as 2,4-diacetylphloroglucinol (DAPG) or p...
an ability of the fluorescent pseudomonad bacteria is to secrete such secondary metabolites as hydrogen cyanide, protease, salicylic acid as well as siderophore which prevent the growth of soil-habitant pathogens. tests were done for evaluating the materials produced by the said bacteria. in the tests' cultures, p. aeruginosa strains 7nsk2, utpf92, and utpf86 produced the most hydrogen cya...
rhizosphere soil samples were collected from olive orchards of golestan, guilan, zanjan and qom provinces. fluorescent pseudomonad strains were isolated from the collected samples on king’s b medium and their phenotypic features characterized as based on the standard bacteriological methods. for all the tested strains oxidase reaction, fluorescent pigment, growth at 4?c and arginine dihydrolase...
There is a significant potential to improve the plant-beneficial effects of root-colonizing pseudomonads by breeding wheat genotypes with a greater capacity to sustain interactions with these bacteria. However, the interaction between pseudomonads and crop plants at the cultivar level, as well as the conditions which favor the accumulation of beneficial microorganisms in the wheat rhizosphere, ...
Plant pathogenic pseudomonads such as Pseudomonas syringae colonize plant surfaces and tissues and have been reported to be nutritionally specialized relative to nonpathogenic pseudomonads. We performed comparative analyses of metabolic networks reconstructed from genome sequence data in order to investigate the hypothesis that P. syringae has evolved to be metabolically specialized for a plant...
Given that the degradation of aromatic pollutants in anaerobic environments such as sediment is generally very slow, aeration could be an efficient bioremediation option. Using stable isotope probing (SIP) coupled with pyrosequencing analysis of 16S rRNA genes, we identified naphthalene-utilizing populations in aerated polyaromatic hydrocarbon (PAH)-polluted sediment. The results showed that na...
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