| roseateles depolymerans gen. nov., sp. nov., a new bacteriochlorophyll a-containing obligate aerobe belonging to the beta-subclass of the proteobacteria. | strains 61at (t = type strain) and 61b2, the first bacteriochlorophyll (bchl) a-containing obligate aerobes to be classified in the beta-subclass of the proteobacteria, were isolated from river water. the strains were originally isolated as degraders of poly(hexamethylene carbonate) (phc). the organisms can utilize phc and some other biodegradable plastics. the strains grow only under aerobic conditions. good production of bchl a and caroterioid pigments is achieved on phc agar plates and an equ ... | 1999 | 10319464 |
| photosynthetic apparatus in roseateles depolymerans 61a is transcriptionally induced by carbon limitation. | production of a photosynthetic apparatus in roseateles depolymerans 61a, a recently discovered freshwater beta-proteobacterium showing characteristics of aerobic phototrophic bacteria, was observed when the cells were subjected to a sudden decrease in carbon sources (e.g., when cells grown with 0.1 to 0.4% casamino acids were diluted or transferred into medium containing <or=0.04% casamino acids). accumulation of bacteriochlorophyll (bchl) a was observed in the presence of oxygen and was enhance ... | 2002 | 11916683 |
| caldimonas manganoxidans gen. nov., sp. nov., a poly(3-hydroxybutyrate)-degrading, manganese-oxidizing thermophile. | a poly(3-hydroxybutyrate) (phb)-degrading, gram-negative, aerobic bacterium, strain hs(t), was isolated from a hot spring and chemotaxonomically and phylogenetically characterized. the oxidase-positive, weakly catalase-positive, non-pigmented cells (0.6 x 2.6 microm) exhibited a single polar flagellum and accumulated phb granules. strain hs(t) was capable of manganese oxidation. highest growth rate was attained at 50 degrees c. the optimum ph for growth was 7-8. the major respiratory quinone was ... | 2002 | 12054255 |
| paucibacter toxinivorans gen. nov., sp. nov., a bacterium that degrades cyclic cyanobacterial hepatotoxins microcystins and nodularin. | thirteen bacterial isolates from lake sediment, capable of degrading cyanobacterial hepatotoxins microcystins and nodularin, were characterized by phenotypic, genetic and genomic approaches. cells of these isolates were gram-negative, motile by means of a single polar flagellum, oxidase-positive, weakly catalase-positive and rod-shaped. according to phenotypic characteristics (carbon utilization, fatty acid and enzyme activity profiles), the g+c content of the genomic dna (66.1-68.0 mol%) and 16 ... | 2005 | 16014482 |
| mitsuaria chitosanitabida gen. nov., sp. nov., an aerobic, chitosanase-producing member of the 'betaproteobacteria'. | four strains (3001(t), 2, 12 and 13), which were isolated as chitosanase-producing bacteria from soil from matsue city (japan), were studied phenotypically, genotypically and phylogenetically. based on sequence analysis of 16s rrna genes, dna g+c content (67.4-69.2 mol%), quinone type (uq-8), major fatty acid composition (3-oh 10:0, 3-oh 14:0) and other phylogenetic studies, strains 3001(t), 12 and 13 were found to occupy a separate position in the 'betaproteobacteria'. roseateles depolymerans, ... | 2005 | 16166689 |
| reclassification of alcaligenes latus strains iam 12599t and iam 12664 and pseudomonas saccharophila as azohydromonas lata gen. nov., comb. nov., azohydromonas australica sp. nov. and pelomonas saccharophila gen. nov., comb. nov., respectively. | the aim of this study was to clarify the taxonomic position of the nitrogen-fixing and hydrogen-oxidizing bacteria alcaligenes latus strains iam 12599t, iam 12664 and iam 12665 and pseudomonas saccharophila iam 14368t. it was found that the type strain of alcaligenes latus, iam 12599t, showed 99 x 9 and 96 x 1 % 16s rrna gene sequence similarity to strains iam 12665 and iam 12664, respectively. a comparison using dna-dna hybridization suggested that strains iam 12599t and iam 12665 belong to a s ... | 2005 | 16280506 |
| methylibium petroleiphilum gen. nov., sp. nov., a novel methyl tert-butyl ether-degrading methylotroph of the betaproteobacteria. | a gram-negative, rod-shaped, motile, non-pigmented, facultative aerobe that grew optimally at ph 6.5 and 30 degrees c (strain pm1t) was isolated for its ability to completely degrade the gasoline additive methyl tert-butyl ether. analysis of the 16s rrna gene sequence indicated that this bacterium was a member of the class betaproteobacteria in the sphaerotilus-leptothrix group. the 16s rrna gene sequence identity to other genera in this group, leptothrix, aquabacterium, roseateles, sphaerotilus ... | 2006 | 16627642 |
| aquincola tertiaricarbonis gen. nov., sp. nov., a tertiary butyl moiety-degrading bacterium. | strains l10(t), l108 and cip i-2052 were originally obtained from methyl tert-butyl ether (mtbe)-contaminated groundwater and from a wastewater treatment plant, respectively. all share the ability to grow on tert-butanol, an intermediate of mtbe degradation. cells are strictly aerobic, motile by a polar flagellum and exhibit strong pili formation. poly beta-hydroxybutyrate (phb) granules are formed. the dna g+c content is 69-70.5 mol% and the main ubiquinone is q-8. the major cellular fatty acid ... | 2007 | 17551046 |
| description of pelomonas aquatica sp. nov. and pelomonas puraquae sp. nov., isolated from industrial and haemodialysis water. | three gram-negative, rod-shaped, non-spore-forming bacteria (strains ccug 52769t, ccug 52770 and ccug 52771) isolated from haemodialysis water were characterized taxonomically, together with five strains isolated from industrial waters (ccug 52428, ccug 52507, ccug 52575t, ccug 52590 and ccug 52631). phylogenetic analysis based on 16s rrna gene sequences indicated that these isolates belonged to the class betaproteobacteria and were related to the genus pelomonas, with 16s rrna gene sequence sim ... | 2007 | 17978231 |
| description of roseateles aquatilis sp. nov. and roseateles terrae sp. nov., in the class betaproteobacteria, and emended description of the genus roseateles. | three strains of aerobic gram-negative bacilli, two isolated from industrial water and freshwater (strains ccug 48205(t) and ccug 52220) and the third from soil (strain ccug 52222(t)), were analysed phenotypically and genotypically to clarify their taxonomic classification. 16s rrna gene sequence analysis revealed that the three strains were located on the same phylogenetic branch, closely related to roseateles depolymerans, the only recognized species in the genus. dna-dna hybridization studies ... | 2008 | 18175673 |
| inhella inkyongensis gen. nov., sp. nov., a new freshwater bacterium in the order burkholderiales. | a freshwater bacterium, designated imcc1713(t), was isolated from a highly eutrophic artificial pond. cells of the strain were gram-negative, chemoheterotrophic, polybeat and obligately aerobic short rods that were motile with a single polar flagellum. the 16s rrna gene sequence similarity analysis showed that the novel strain was most closely related to the species roseateles depolymerans (96.3%), mitsuaria chitosanitabida (96.2%), ideonella dechloratans (96.2%), and pelomonas saccharophila (96 ... | 2009 | 19190402 |
| ideonella azotifigens sp. nov., an aerobic diazotroph of the betaproteobacteria isolated from grass rhizosphere soil, and emended description of the genus ideonella. | strain 1a22t, a nitrogen-fixing bacterium, was isolated from soil associated with the rhizosphere of a perennial grass growing in a fallow agricultural field in ithaca, new york, usa. analysis of the 16s rrna gene sequence placed the strain in the rubrivivax-roseateles-leptothrix-azohydromonas-aquincola-ideonella branch of the betaproteobacteria and the closest characterized relative was the type strain of ideonella dechloratans (97.7% 16s rrna sequence similarity). cells of strain 1a22t were gr ... | 2009 | 19567574 |
| kinneretia asaccharophila gen. nov., sp. nov., isolated from a freshwater lake, a member of the rubrivivax branch of the family comamonadaceae. | a strictly aerobic, gram-negative bacterium, strain kin192(t), isolated from fresh water from lake kinneret, israel, was examined using a polyphasic approach to characterize and clarify its phylogenetic and taxonomic position. sequences of the 16s rrna and gyrb genes and its1 revealed close relationships to species of the genera pelomonas, mitsuaria and roseateles, in the rubrivivax branch of the family comamonadaceae of the betaproteobacteria. physiological and biochemical tests, cellular fatty ... | 2010 | 19661516 |