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[conditions for initiating heat stress in pseudomonas geniculata].the heating of pseudomonas geniculata 338 at an elevated temperature causes a heat stress in the culture. the extent of the stress depends on the temperature and duration of heating. the incubation of the bacterium at 40 and 45 degrees c did not inhibit its growth after 30 min of heating, and no essential quantities of intracellular compounds absorbing at 260 nm were lost (e260 increased by 12-19%). when the bacterium was heated at 50 degrees c for the same period of time, a three-hour lag-phase ...19846431240
influence of low incubation temperature on classification of pseudomonas geniculata.frank, hilmer a. (eastern regional research laboratory, philadelphia, pa.). influence of low incubation temperature on classification of pseudomonas geniculata. j. bacteriol. 84:68-71. 1962.-biochemical and physiological properties of psychrophilic pseudomonas geniculata isolates were determined at 8 c and at 27 c. no qualitative differences in taxonomically significant properties were observed as a result of incubation temperature. with sufficient incubation time, classification of psychrophili ...196213894624
yellow pigment production by pseudomonas geniculata im maple sap. 196414170969
screening for endophytic nitrogen-fixing bacteria in brazilian sugar cane varieties used in organic farming and description of stenotrophomonas pavanii sp. nov.a gram-negative, rod-shaped, non-spore-forming and nitrogen-fixing bacterium, designated icb 89(t), was isolated from stems of a brazilian sugar cane variety widely used in organic farming. 16s rrna gene sequence analysis revealed that strain icb 89(t) belonged to the genus stenotrophomonas and was most closely related to stenotrophomonas maltophilia lmg 958(t), stenotrophomonas rhizophila lmg 22075(t), stenotrophomonas nitritireducens l2(t), [pseudomonas] geniculata atcc 19374(t), [pseudomonas] ...201120495025
dynamics of bacterial populations during bench-scale bioremediation of oily seawater and desert soil bioaugmented with coastal microbial mats.this study describes a bench-scale attempt to bioremediate kuwaiti, oily water and soil samples through bioaugmentation with coastal microbial mats rich in hydrocarbonoclastic bacterioflora. seawater and desert soil samples were artificially polluted with 1% weathered oil, and bioaugmented with microbial mat suspensions. oil removal and microbial community dynamics were monitored. in batch cultures, oil removal was more effective in soil than in seawater. hydrocarbonoclastic bacteria associated ...201626751253
genome sequence of a novel nicotine-degrading strain, pseudomonas geniculata n1.a newly isolated bacterium, pseudomonas geniculata n1, can efficiently degrade nicotine. here we present a 4.51-mb assembly of its genome, which is the first sequence of the p. geniculata group. the sequence contains the genes related to nicotine catabolism and may provide insights into its molecular mechanism for n-heterocyclic degradation.201222689240
physiological and biochemical characterization of a novel nicotine-degrading bacterium pseudomonas geniculata n1.management of solid wastes with high nicotine content, such as those accumulated during tobacco manufacturing, poses a major challenge, which can be addressed by using bacteria such as pseudomonas and arthrobacter. in this study, a new species of pseudomonas geniculata, namely strain n1, which is capable of efficiently degrading nicotine, was isolated and identified. the optimal growth conditions for strain n1 are a temperature of 30°c, and a ph 6.5, at a rotation rate of 120 rpm min(-1) with 1 ...201424416227
role of bacteria in the oxidation of myoglobin.the addition to steaks of cell suspensions of a number of aerobic bacteria and of saccharomyces cerevisiae greatly increased the rate of discoloration. low inocula resulted in the more rapid appearance of the brown color of metmyoglobin, whereas high cell populations quickly produced the purple color of myoglobin. sonically treated suspensions of pseudomonas geniculata produced similar changes in surface color but less rapidly. no such effect was observed with lactobacillus plantarum.the visible ...196114492670
hydrocarbonoclastic bacteria isolated from petroleum contaminated sites in tunisia: isolation, identification and characterization of the biotechnological potential.petroleum hydrocarbons are important energy resources used by industry and in our daily life, whose production contributes highly to environmental pollution. to control such risk, bioremediation constitutes an environmentally friendly alternative technology that has been established and applied. it constitutes the primary mechanism for the elimination of hydrocarbons from contaminated sites by natural existing populations of microorganisms. in this work, a collection of 125 strains, adapted to g ...201323541698
plant growth-promoting traits of pseudomonas geniculata isolated from chickpea nodules.a bacterium, isolated from nodules of chickpea grown in alluvial soils of haryana state of india, designated as ic-76 was characterized for in vitro plant growth-promoting (pgp) properties and further evaluated under greenhouse, on-station and on-farm field conditions for pgp activity in chickpea. the isolate ic-76 produced indole acetic acid, siderophore, hydrocyanic acid, cellulase, protease, and β-1,3-glucanase. when the bacterium was evaluated individually for their pgp potential in the gree ...201528324515
16srrna sequencing of dye decolorizing bacteria isolated from soil.dye׳s residues in textile effluents are hazardous for humans and animals health. such pollutants can be degraded into non-harmful molecules using biological approaches that are considered cheaper and ecologically safer. isolated 15 bacterial cultures from soil that could be used in biological system were showed decolorization capacity for acid green dye (33.9% to 94.0%) using thin layer chromatography and broth culture method. the most promising cultures (amc3) to decolorize acid green dye (94.6 ...201525780272
stenotrophomonas tumulicola sp. nov., a major contaminant of the stone chamber interior in the takamatsuzuka tumulus.during investigation of the biological contamination of the 1300-year-old mural paintings and plaster walls inside the stone chambers of the takamatsuzuka and kitora tumuli (tt and kt) in asuka-mura, nara prefecture, japan, the identity of 17 bacterial isolates from blackish moldy spots and viscous gels (biofilms) collected from both tumuli (16 isolates from tt and one from kt) during our 2005-2007 microbiological survey was systematically elucidated. one cluster of the major bacterial isolates ...201526653171
statistical evaluation of electronic and plate counts for estimating bacterial populations.bacteria from cultures of staphylococcus aureus, pseudomonas geniculata, and rhodotorula glutenis were counted by use of an electronic counter and by plate counts from broth cultures at selected periods from 0 to 24 hr. variations in the two methods were noted, and the results were compared after calculating correlations, coefficients of variation, and nested analyses of variance. it was not possible to determine the absolute accuracy of the two methods; however, the precision of the results obt ...196616349683
phylogenetic affiliation of the pseudomonads based on 16s rrna sequence.the broad and vague phenotypic definition allowed the genus pseudomonas to become a dumping ground for incompletely characterized polarly flagellated, gram-negative, rod-shaped, aerobic bacteria, and a large number of species have been accommodated in the genus pseudomonas. the 16s rrna sequences of 128 valid and invalid pseudomonas species, which included almost valid species of the genus pseudomonas listed in the approved lists of bacterial names, were obtained: sequences of 59 species were de ...200010939664
presence of 3-o-methyl-l-xylose in the lipopolysaccharide of pseudomonas maltophilia n.c.t.c. 10257.3-o-methyl-l-xylose was isolated from whole cells of pseudomonas maltophilia n.c.t.c. 10257. the sugar is a component of lipopolysaccharide from which a polysaccharide also containing l-rhamnose and l-xylose was released by mild acid hydrolysis. 3-o-methyl-l-xylose was absent from five other strains of ps. maltophilia and one strain of pseudomonas geniculata.1977869917
tumor inhibitory and non-tumor inhibitory l-asparaginases from pseudomonas geniculata.two enzymes that catalyze the hydrolysis of l-asparagine have been isolated from extracts of pseudomonas geniculata. after initial salt fractionation, the enzymes were separated by chromatography on diethylaminoethyl-sephadex and purified to homogeneity by gel filtration, ion-exchange chromatography, and preparative polyacrylamide electrophoresis. the enzymes differ markedly in physicochemical properties. one enzyme, termed asparaginase a, has a molecular weight of approximately 96,000 whereas t ...197933147
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