| pseudomonas mosselii sp. nov., a novel species isolated from clinical specimens. | twenty-two fluorescent pseudomonad strains of clinical origin received as pseudomonas fluorescens (10 strains), pseudomonasputida (10 strains) and pseudomonas sp. (2 strains), and 33 type strains of the genus pseudomonas were studied by numerical analysis based on 280 phenotypic characters. twelve of the 22 clinical isolates clustered within a specific group, cluster iv. the other strains clustered within groups containing well-characterized fluorescent pseudomonas species or did not cluster. st ... | 2002 | 11931144 |
| siderophore typing, a powerful tool for the identification of fluorescent and nonfluorescent pseudomonads. | a total of 301 strains of fluorescent pseudomonads previously characterized by conventional phenotypic and/or genomic taxonomic methods were analyzed through siderotyping, i.e., by the isoelectrophoretic characterization of their main siderophores and pyoverdines and determination of the pyoverdine-mediated iron uptake specificity of the strains. as a general rule, strains within a well-circumscribed taxonomic group, namely the species pseudomonas brassicacearum, pseudomonas fuscovaginae, pseudo ... | 2002 | 12039729 |
| pseudomonas grimontii sp. nov. | the vernacular name 'fluorescent pseudomonas group 97-514' was coined for a group of 43 strains isolated from two french natural mineral waters. all these strains were gram-negative, rod-shaped and motile by means of a single polar flagellum. they produced fluorescent pigment (pyoverdin) on king b medium, catalase and cytochrome oxidase. they were capable of respiratory but not fermentative metabolism. they were not able to accumulate poly-beta-hydroxybutyrate and possessed an arginine dihydrola ... | 2002 | 12361251 |
| pah utilization by pseudomonas rhodesiae kk1 isolated from a former manufactured-gas plant site. | pseudomonas rhodesiae kk1 was isolated from a former manufactured-gas plant site, due to its ability to grow rapidly in a mixture of polycyclic aromatic hydrocarbons (pahs). radiorespirometric analysis revealed that strain kk1 was found to be able to mineralize anthracene, naphthalene and phenanthrene. notably, phenanthrene-grown cells were able to mineralize anthracene much more rapidly than naphthalene-grown cells. comparative analysis of amino acid sequences from 17 randomly selected dioxygen ... | 2002 | 12466890 |
| pseudomonas extremorientalis sp. nov., isolated from a drinking water reservoir. | on the basis of phenotypic and genotypic characteristics and 16s rdna sequence analysis, a novel species belonging to the genus pseudomonas sensu stricto was identified. the saprophytic, fluorescent bacterium, designated kmm 3447(t), was isolated from a drinking water reservoir near vladivostok city, russia. the novel organism was a gram-negative, aerobic, rod-shaped bacterium that produced a cyclic depsipeptide with surface-active properties. it degraded casein, but did not degrade gelatin, sta ... | 2002 | 12508877 |
| optimization of isonovalal production from alpha-pinene oxide using permeabilized cells of pseudomonas rhodesiae cip 107491. | optimization studies on the synthesis of isonovalal from alpha-pinene oxide by pseudomonas rhodesiae cip 107491 operated in a biphasic medium are presented. three key parameters are identified. the first is the need for a permeabilization of cells by freezing them and then treating the thawed material with an organic solvent such as chloroform, toluene or diethyl ether. this operation allows both enzyme release into the aqueous phase outside the cells and an improvement in the transport properti ... | 2003 | 12536252 |
| use of an insect cell culture growth medium to isolate bacteria from horses with effusive, fibrinous pericarditis: a preliminary study. | effusive, fibrinous pericarditis is an uncommon disease entity in horses. in 2001, pericarditis occurred in conjunction with an epizootic in central kentucky that was associated with exposure to eastern tent caterpillars (etcs). bacterial isolation from equine pericardial fluid samples was attempted using an insect cell culture growth medium (iccgm). using previously cultured, stored frozen samples from four horses with fibrinous pericarditis, inoculation of 10% blood agar plates yielded no grow ... | 2007 | 17204376 |
| selection of bacteria able to control fusarium oxysporum f. sp. radicis-lycopersici in stonewool substrate. | tomato foot and root rot (tfrr), caused by fusariumoxysporum f. sp. radicis-lycopersici (forl), is an economically important disease of tomato. the aim of this study was to develop an efficient protocol for the isolation of bacteria, which controls tfrr based on selection of enhanced competitive root-colonizing bacteria from total rhizosphere soil samples. | 2007 | 17241352 |
| production of trans-2-methyl-5-isopropylhexa-2,5-dienoic acid by pseudomonas rhodesiae cip 107491. | the feasibility of trans-2-methyl-5-isopropylhexa-2,5-dienoic acid (novalic acid) accumulation using the alpha-pinene degradation pathway of pseudomonas rhodesiae cip 107491 was studied. this appeared possible by using concentrated living bacterial cells produced under oxygen limitation with alpha-pinene as sole carbon source. the second step of the process, the bioconversion itself, had to be performed without oxygen limitation due to the need for cofactor regeneration. results showed that a no ... | 2008 | 17855081 |
| characterization of monoterpene biotransformation in two pseudomonads. | to study the metabolic profile of pseudomonas rhodesiae and pseudomonas fluorescens in water-organic solvent systems using terpene substrates for both growth and biotransformation processes and to determine the aerobic or anaerobic status of these degradation pathways. | 2008 | 19120646 |
| introduction of a plasmid-encoded phoa gene for constitutive overproduction of alkaline phosphatase in three subsurface pseudomonas isolates. | abstract three bacterial isolates, pseudomonas fluorescens f1, pseudomonas rhodesiae r1 and pseudomonas veronii v1 were genetically modified by introduction of a plasmid, pjh123, with a phoa hybrid gene that directed constitutive overproduction of the enzyme alkaline phosphatase. the presence of the plasmid in the bacterial hosts elevated extracytoplasmic alkaline phosphatase production from 100- to 820-fold. the growth and survival of the plasmid-bearing hosts in sterilized soil slurries was co ... | 2002 | 19709245 |
| developing novel bacterial based bioformulation having pgpr properties for enhanced production of agricultural crops. | plant growth promoting rhizobacteria (pgpr) are beneficial rhizobacteria which enhance plant growth as well as the productivity by a variety of mechanisms pgpr were isolated from the rhizosphere region of som plants (machilus bombycina king) maintained at the central muga eri research and training institute, lahdoigarh, jorhat. a bacterial based bioformulation was prepared and sprayed over the experimental crops including tomato (solanum lycopersicum), cauliflower (brassica oleracea var botrytis ... | 2015 | 25675713 |
| evaluation of carbazole degradation by pseudomonas rhodesiae strain kk1 isolated from soil contaminated with coal tar. | in this study, strain kk1 isolated from coal tar-contaminated soil was found to be able to mineralize carbazole as a sole source of carbon by radiorespirometric analysis. kk1 cells pregrown on phenanthrene were able to mineralize carbazole much more rapidly than cells pregrown on naphthalene, suggesting a possible close linkage between the pathways for carbazole and phenanthrene catabolism. also, rieske-type iron sulfur center sequence of dioxygenase from kk1 was analyzed to evaluate carbazole c ... | 2002 | 12442306 |
| isolation and identification of phytate-degrading bacteria and their contribution to phytate mineralization in soil. | to better understand the phosphorus (p) cycling in an agricultural soil environment, amounts of total, organic and inorganic p in 10 agricultural soil samples were analyzed. since a large proportion (57.8%) of the total p in the soils was in organic form, a method was developed to evaluate the mineralization rate of organic p in the soil by adding phytate to the soil and analyzing the change in water-soluble p (wsp) content after incubating it for 3 days. moreover, the relationship between the p ... | 2013 | 24201147 |
| two bacterial entophytes eliciting both plant growth promotion and plant defense on pepper (capsicum annuum l.). | plant growth-promoting rhizobacteria (pgpr) have the potential to be used as microbial inoculants to reduce disease incidence and severity and to increase crop yield. some of the pgpr have been reported to be able to enter plant tissues and establish endophytic populations. here, we demonstrated an approach to screen bacterial endophytes that have the capacity to promote the growth of pepper seedlings and protect pepper plants against a bacterial pathogen. initially, out of 150 bacterial isolate ... | 2007 | 18051359 |
| novel components of leaf bacterial communities of field-grown tomato plants and their potential for plant growth promotion and biocontrol of tomato diseases. | this work aimed to characterize potentially endophytic culturable bacteria from leaves of cultivated tomato and analyze their potential for growth promotion and biocontrol of diseases caused by botrytis cinerea and pseudomonas syringae. bacteria were obtained from inner tissues of surface-disinfected tomato leaves of field-grown plants. analysis of 16s rrna gene sequences identified bacterial isolates related to exiguobacterium aurantiacum (isolates bt3 and mt8), exiguobacterium spp. (isolate gt ... | 2016 | 26654914 |