| marine star-shaped-aggregate-forming bacteria: agrobacterium atlanticum sp. nov.; agrobacterium meteori sp. nov.; agrobacterium ferrugineum sp. nov., nom. rev.; agrobacterium gelatinovorum sp. nov., nom. rev.; and agrobacterium stellulatum sp. nov., nom. rev. | two new species of aerobic, gram-negative, peritrichously flagellated or nonmotile marine bacteria usually forming star-shaped aggregates were isolated from northeastern atlantic ocean bottom sediments. these organisms resembled eight star-shaped-aggregate-forming bacterial species from the baltic sea originally ascribed to the genus agrobacterium but not included on the approved lists of bacterial names because of their questionable relationships to true agrobacteria. these two sets of star-sha ... | 1992 | 1371058 |
| reclassification of marine agrobacterium species: proposals of stappia stellulata gen. nov., comb. nov., stappia aggregata sp. nov., nom. rev., ruegeria atlantica gen. nov., comb. nov., ruegeria gelatinovora comb. nov., ruegeria algicola comb. nov., and ahrensia kieliense gen. nov., sp. nov., nom. rev. | the bootstrapped 16s rdna sequence-based neighbor-joining phylogeny has suggested that the marine species of the genus agrobacterium have no relation to the terrestrial agrobacterium species. agrobacterium atlanticum iam 14463(t) (a superscript (t)=type strain), agrobacterium ferrugineum iam 12616(t), agrobacterium gelatinovorum iam 12617(t), agrobacterium meteori iam 14464(t), agrobacterium stellulatum iam 12621(t) and iam 12614, and the invalidly published marine species "agrobacterium kielien ... | 1998 | 12501429 |
| silicibacter pomeroyi sp. nov. and roseovarius nubinhibens sp. nov., dimethylsulfoniopropionate-demethylating bacteria from marine environments. | three gram-negative, rod-shaped, aerobic bacteria that were capable of degrading dimethylsulfoniopropionate (dmsp) were isolated from marine waters. these isolates (dss-3(t), dss-10 and ism(t)) exhibited the ability to demethylate and cleave dmsp, as well as to degrade other sulfur compounds related to dmsp that are cycled in marine environments. intracellular poly-beta-hydroxybutyrate inclusions, surface blebs and one polar, complex flagellum that rotated exclusively in the clockwise direction ... | 2003 | 13130004 |
| three new chlorine containing antibiotics from a marine-derived fungus aspergillus ostianus collected in pohnpei. | a marine bacterium ruegeria atlantica (designated as strain tuf-d) was isolated from a glass plate submerged in the coastal water. three new chlorine containing compounds (1 to approximately 3), together with penicillic acid (4) were obtained from a marine-derived fungus aspergillus ostianus strain tuf 01f313 isolated from a marine sponge at pohnpei as antibacterial components against r. atlantica. the structures of three new antibiotics were determined based on their spectral data as 8-chloro-9 ... | 2003 | 14632284 |
| dinoroseobacter shibae gen. nov., sp. nov., a new aerobic phototrophic bacterium isolated from dinoflagellates. | a novel group of aerobic anoxygenic phototrophic bacteria was isolated from marine dinoflagellates, and two strains were characterized in detail. cells were gram-negative cocci or ovoid rods and were motile by means of a single, polarly inserted flagellum. they were obligate aerobes requiring 1-7 % salinity. the optimal ph range for growth was 6.5-9.0 and the temperature optimum was 33 degrees c. the bacteria contained bacteriochlorophyll a and spheroidenone as the only carotenoid. the in vivo a ... | 2005 | 15879238 |
| pseudoruegeria aquimaris gen. nov., sp. nov., isolated from seawater of the east sea in korea. | a gram-negative, non-motile, rod-shaped bacterial strain, sw-255(t), was isolated from seawater from hwajinpo, on the coast of the east sea, korea, and subjected to a polyphasic taxonomic study. strain sw-255(t) grew optimally at ph 7.0-8.0 and 37 degrees c in the presence of 2 % (w/v) nacl. it contained q-10 as the predominant ubiquinone and c(18 : 1)omega7c as the major fatty acid. the dna g+c content was 67.0 mol%. a neighbour-joining phylogenetic tree based on 16s rrna gene sequences showed ... | 2007 | 17329781 |
| taxonomic evaluation of the genera ruegeria and silicibacter: a proposal to transfer the genus silicibacter petursdottir and kristjansson 1999 to the genus ruegeria uchino et al. 1999. | the taxonomic positions of the genera ruegeria and silicibacter were evaluated by a polyphasic investigation. it was evident from 16s rrna gene sequence analysis that both genera are closely related as they formed a monophyletic clade with high sequence similarities (96.9-98.2 %). several properties commonly found in these taxa strongly suggest that they should be classified in the same genus. further, a comparative study based on dna-dna hybridization, phenotypic characterization and chemotaxon ... | 2007 | 17392212 |
| ruegeria mobilis sp. nov., a member of the alphaproteobacteria isolated in japan and palau. | the taxonomic positions of two bacterial strains, mbic01146(t) and mbic01099, isolated from marine environments of japan and palau, respectively, were determined by using a polyphasic approach. the bacteria were aerobic, motile, gram-negative rods and formed star-shaped aggregations. the g+c content of the genomic dna ranged from 58.5 to 58.7 mol%. the major respiratory quinone was ubiquinone-10 and the predominant cellular fatty acids were c(16 : 0), c(18 : 1)omega6c and c(18 : 1)omega7c. 16s r ... | 2007 | 17551047 |
| ruegeria pelagia sp. nov., isolated from the sargasso sea, atlantic ocean. | gram-negative, facultatively aerobic, chemoheterotrophic, short rod-shaped marine bacterial strains htcc2662(t) and htcc2663, isolated from the sargasso sea by using a dilution-to-extinction culturing method, were investigated to determine their taxonomic position. characterization of the two strains by phenotypic and phylogenetic analyses revealed that they belonged to the same species. the dna g+c content of strain htcc2662(t) was 58.4 mol% and the predominant cellular fatty acids were c(18 : ... | 2007 | 17684263 |
| ruegeria halocynthiae sp. nov., isolated from sea squirt halocynthia roretzi. | a gram-negative, non-motile, and rod-shaped bacterial strain, ma1-6(t), which was isolated from a sea squirt (halocynthia roretzi) collected from the south sea, korea, was characterised here taxonomically. strain ma1-6(t) grew optimally at ph 7.0-8.0, at 30 ┬░c and in presence of 2-3 % (w/v) nacl. phylogenetic analysis based on 16s rrna gene sequences showed that strain ma1-6(t) fell within the clade comprising ruegeria species and exhibited 95.3-96.5 % 16s rrna gene sequence similarity to the t ... | 2011 | 21669923 |
| cribrihabitans neustonicus sp. nov., isolated from coastal surface seawater, and emended description of the genus cribrihabitans chen et al. 2014. | a gram-stain-negative, strictly aerobic, rod- or oval-shaped, motile, non-spore-forming bacterium, designated strain cc-amhb-3(t), was isolated from coastal surface seawater off hualien, taiwan. the novel strain showed high pairwise 16s rrna gene sequence similarities to ruegeria mobilis nbrc 101030(t) (96.5%), ruegeria scottomollicae lmg 24367(t) (96.4%), phaeobacter aquaemixtae ssk6-1(t) (96.2%), phaeobacter daeponensis tf-218(t) (96.2%), cribrihabitans marinus cz-am5(t) (96.1%) and other spec ... | 2014 | 25180090 |
| lindane bioremediation capability of bacteria associated with the demosponge hymeniacidon perlevis. | lindane is an organochlorine pesticide belonging to persistent organic pollutants (pops) that has been widely used to treat agricultural pests. it is of particular concern because of its toxicity, persistence and tendency to bioaccumulate in terrestrial and aquatic ecosystems. in this context, we assessed the role of bacteria associated with the sponge hymeniacidon perlevis in lindane degradation. seven bacteria isolates were characterized and identified. these isolates showed a remarkable capac ... | 2017 | 28383507 |
| confluentimicrobium lipolyticum gen. nov., sp. nov., a novel lipolytic alphaproteobacterium isolated from the junction between the ocean and a freshwater spring, and emended description of actibacterium mucosum lucena et al. 2012. | a gram-negative, aerobic, non-flagellated and coccoid, ovoid or rod-shaped bacterial strain, designated ssk1-4(t), was isolated from the junction between the ocean and a freshwater spring at jeju island, south korea. strain ssk1-4(t) was found to grow optimally at 30 °c, at ph 7.0-8.0 and in the presence of 2.0 % (w/v) nacl. in the neighbour-joining, maximum-likelihood and maximum-parsimony phylogenetic trees based on 16s rrna gene sequences, strain ssk1-4(t) was found to form an evolutionary li ... | 2014 | 25150887 |
| ruegeria arenilitoris sp. nov., isolated from the seashore sand around a seaweed farm. | a gram-negative, motile and rod-shaped bacterial strain, g-m8(t), which was isolated from seashore sand around a seaweed farm at geoje island in south korea, was characterized taxonomically. it grew optimally at 30-37 °c, at ph 7.0-8.0 and in presence of 2 % (w/v) nacl. a neighbour-joining phylogenetic tree based on 16s rrna gene sequences revealed that strain g-m8(t) joined the cluster comprising the type strains of ruegeria atlantica and ruegeria lacuscaerulensis, showing 97.5 % sequence simil ... | 2012 | 22669198 |