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winogradskyella thalassocola gen. nov., sp. nov., winogradskyella epiphytica sp. nov. and winogradskyella eximia sp. nov., marine bacteria of the family flavobacteriaceae.three novel heterotrophic, gram-negative, yellow-pigmented, aerobic, gliding, oxidase- and catalase-positive bacteria were isolated from algae collected in the gulf of peter the great, sea of japan. 16s rrna gene sequence analysis revealed that the strains studied represented members of the family flavobacteriaceae and showed 93.5-93.8 % similarity with their closest relative, psychroserpens burtonensis. the dna g+c content of the strains was 34-37 mol%. the major respiratory quinone was mk-6. t ...200515653852
winogradskyella poriferorum sp. nov., a novel member of the family flavobacteriaceae isolated from a sponge in the bahamas.a gram-negative, rod-shaped bacterium (designated strain ust030701-295(t)) with fast gliding motility was isolated from the surface of the sponge lissodendoryx isodictyalis in the bahamas. colonies of ust030701-295(t) were yellow in colour, 2-4 mm in diameter, convex with a smooth surface and entire margins. ust030701-295(t) was heterotrophic, strictly aerobic and required nacl for growth (1.0-4.0%). growth was observed at ph 6.0-10.0 and at 12-44 degrees c. phylogenetic analysis of the 16s rrna ...200516014486
influence of salmonid gill bacteria on development and severity of amoebic gill disease.the relationship between salmonid gill bacteria and neoparamoeba sp., the aetiological agent of amoebic gill disease (agd) was determined in vivo. fish were divided into 4 groups and were subjected to following experimental infections: group 1, amoebae only; group 2, staphylococcus sp. and amoebae; group 3, winogradskyella sp. and amoebae; group 4, no treatment (control). fish (groups 1, 2 and 3) were exposed to potassium permanganate to remove the natural gill microflora prior to either bacteri ...200516385808
concentration effects of winogradskyella sp. on the incidence and severity of amoebic gill disease.to study the concentration effects of the bacterium winogradskyella sp. on amoebic gill disease (agd), atlantic salmon salmo salar were pre-exposed to 2 different doses (10(8) or 10(10) cells 1(-1)) of winogradskyella sp. before being challenged with neoparamoeba spp. exposure of fish to winogradskyella sp. caused a significant increase in the percentage of agd-affected filaments compared with controls challenged with neoparamoeba only; however, these percentages did not increase significantly w ...200617240751
antibacterial and antilarval-settlement potential and metabolite profiles of novel sponge-associated marine bacteria.in this study, we screened seven novel sponge-associated marine bacteria for their antibacterial and antilarval-settlement activity in order to find possible new sources of non-toxic or less toxic bioactive antifoulants. the anti-bacterial-growth activity of crude extracts of each bacterium was evaluated by the disk-diffusion assay. extracts of four potent bacteria with high and broad spectra of antibacterial activity were further separated with solvents of different polarities (hexane and ethyl ...200919471982
winogradskyella arenosi sp. nov., a member of the family flavobacteriaceae isolated from marine sediments from the sea of japan.an aerobic, gram-negative, yellow-pigmented, gliding bacterial strain, designated r60(t), was isolated from a marine sediment sample obtained from the sea of japan and was characterized by using a polyphasic approach. 16s rrna gene sequence analysis showed that strain r60(t) belonged to the genus winogradskyella, sharing <97 % sequence similarity with the type strains of recognized winogradskyella species. the main fatty acids of strain r60(t) were iso-c(15 : 0) 3-oh, iso-c(16 : 0) 3-oh, iso-c(1 ...200919502331
winogradskyella echinorum sp. nov., a marine bacterium of the family flavobacteriaceae isolated from the sea urchin strongylocentrotus intermedius.the taxonomic position of a novel marine, yellow-pigmented bacterium, designated strain kmm 6211(t), was examined by using a polyphasic approach. phylogenetic analysis based on 16s rrna gene sequences revealed that strain kmm 6211(t) is a member of the family flavobacteriaceae, phylum bacteroidetes. the closest relative of strain kmm 6211(t) was winogradskyella eximia kmm 3944(t), the sequence similarity being 97.1 %. the dna g+c content of kmm 6211(t) was 33.6 mol%. the strain was motile by gli ...200919502336
winogradskyella rapida sp. nov., isolated from protein-enriched seawater.flavobacteria are emerging as an important group of organisms associated with the degradation of complex organic matter in aquatic environments. a novel gram-reaction-negative, heterotrophic, rod-shaped, aerobic, yellow-pigmented and gliding bacterium, strain scb36t, was isolated from a protein-enriched seawater sample, collected at scripps pier, southern california bight (eastern pacific). analysis of the 16s rrna gene sequence showed that the bacterium was related to members of the genus winog ...200919605730
marine aerobic biofilm as biocathode catalyst.stainless steel electrodes were immersed in open seawater and polarized for some days at -200 mv vs. ag/agcl. the current increase indicated the formation of biofilms that catalysed the electrochemical reduction of oxygen. these wild, electrochemically active (ea) biofilms were scraped, resuspended in seawater and used as the inoculum in closed 0.5l electrochemical reactors. this procedure allowed marine biofilms that are able to catalyse oxygen reduction to be formed in small, closed small vess ...201019643681
winogradskyella exilis sp. nov., isolated from the starfish stellaster equestris, and emended description of the genus winogradskyella.a pale-yellowish-pigmented strain, 022-2-26(t), was isolated from a starfish, stellaster equestris. cells of strain 022-2-26(t) were gram-negative short rods that were chemo-organotrophic, alkalitolerant and mesophilic. the predominant menaquinone was mk-6. the major cellular fatty acids were iso-c(15 : 0), iso-c(15 : 1), c(15 : 0), iso-c(15 : 0) 2-oh and iso-c(17 : 0) 3-oh (together representing 87 % of the total fatty acids). the dna g+c content was 30.1 mol%. a 16s rrna gene sequence of the i ...201019700451
winogradskyella pacifica sp. nov., a marine bacterium of the family flavobacteriaceae.a novel strain, designated kmm 6019t, was isolated from coastal seawater and subjected to taxonomic examination using a polyphasic approach. a comparative analysis of 16s rrna gene sequences revealed that strain kmm 6019t formed a distinct phyletic line within the genus winogradskyella, a member of the family flavobacteriaceae, phylum bacteroidetes. the 16s rrna gene sequence similarity between the novel isolate and the type strains of the recognized species of the genus winogradskyella was 94.0 ...201019801394
gangjinia marincola gen. nov., sp. nov., a marine bacterium of the family flavobacteriaceae.a novel strictly aerobic, orange-pigmented, gram-stain-negative bacterium, designated strain gj16(t), was isolated from coastal seawater of gangjin bay, the southernmost part of the korean peninsula, and subjected to a polyphasic taxonomic study. it grew optimally at 25-30 °c, at ph 7.0-8.0 and in the presence of 3 % nacl. comparative 16s rrna gene sequence analysis revealed that strain gj16(t) formed a distinct lineage within the family flavobacteriaceae and shared less than 91.2 % 16s rrna gen ...201120228204
winogradskyella lutea sp. nov., isolated from seawater, and emended descripition of the genus winogradskyella.a novel marine, gram-negative, orange-pigmented, rod-shaped, strictly aerobic, gliding, and oxidase- and catalase-positive bacterial strain a73t was isolated from seawater collected on jeju, south korea. the 16s rrna gene sequence similarities between a73t and type strains of winogradskyella species with validly published names ranged from 94.1 to 96.2%. the dominant fatty acids of strain a73t were iso-c15:1 g (19.1%), iso-c15:0 (13.3 %), iso-c17:0 3- oh (10.0 %) and iso-c15:0 3-oh (7.2 %). the ...201020656809
corallibacter vietnamensis gen. nov., sp. nov., a new marine bacterium of the family flavobacteriaceae.the taxonomic position of the novel heterotrophic, strictly aerobic, gram-negative, gliding and dark-orange pigmented bacteria, designated strains kmm 6217t and kmm 6332, was determined. the strains grew at 10-40 °c and with 0.5-8% nacl. they were catalase- and oxidase-positive, produced flexirubin-type pigments and hydrolyzed aesculin, gelatin, starch, tween 80 and dna. the predominant fatty acids were iso-c15:1, iso-c15:0, c15:0, iso-c15:0 2-oh and iso-c17:0 3-oh. the polar lipid profile was c ...201121515707
poly-ethers from winogradskyella poriferorum: antifouling potential, time-course study of production and natural abundance.a sponge-associated bacterium, winogradskyella poriferorum strain ust030701-295t was cultured up to 100l for extraction of antifouling bioactive compounds. five poly-ethers were isolated and partially characterized based on nuclear magnetic resonance (nmr) spectroscopy and mass spectrometry (ms); two of them showed inhibitory effects on biofilm formation of marine bacteria and larval settlement of macro-foulers but did not produce any adverse effects on the phenotypes of zebra fish embryos at a ...201121664125
winogradskyella ulvae sp. nov., a novel epiphyte of a pacific seaweed and emended descriptions of the genus winogradskyella and winogradskyella thalassocola, winogradskyella echinorum, winogradskyella exilis and winogradskyella eximia.a new gram-staining-negative, facultatively anaerobic, slightly halophilic bacterium motile by gliding, designated strain kmm 6390t, was isolated from the coastal green alga ulva fenestrata collected from the sea of japan. a comparative analysis of 16s rrna gene sequences revealed that strain kmm 6390t was a member of the genus winogradskyella, with winogradskyella echinorum kmm 6211t as its closest relative (97.8% sequence similarity). the two strains, however, shared only 27% dna-dna relatedne ...201121841007
postechiella marina gen. nov., sp. nov., isolated from seawater.a gram-negative, strictly aerobic, non-motile, yellow-pigmented bacterium, designated strain m091t, was isolated from seawater of damupo beach in pohang, republic of korea and subjected to a polyphasic taxonomic study. it grew optimally at 25 °c, ph 7.0-8.0, and in the presence of 3 % nacl. a comparative 16s rrna gene sequences study revealed that strain m091t formed a distinct lineage within the family flavobacteriaceae and was distinguished from the related genera flaviramulus (95.1 % sequence ...201121856980
winogradskyella aquimaris sp. nov., isolated from seawater of the south sea in korea.a gram-staining-negative, non-flagellated, motile by gliding, aerobic, rod-shaped bacterium, designated dpg-24(t), was isolated from seawater of geoje island in the south sea, korea, and its taxonomic position was investigated using a polyphasic taxonomic approach. strain dpg-24(t) grew optimally at 30-37 °c, at ph 7.0-7.5 and in the presence of 2 % (w/v) nacl. phylogenetic analyses based on 16s rrna gene sequences showed that strain dpg-24(t) belonged to the genus winogradskyella, clustering wi ...201121984672
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