Kordia algicida gen. nov., sp. nov., an algicidal bacterium isolated from red tide
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- Kordia algicida gen. nov., sp. nov., an algicidal bacterium isolated from red tide
- Sohn, J.H.; Lee, J.-H.; Yi, H.; Chun, J.; Bae, K.S.; Ahn, T.-Y.; Kim, S.-J.
- KIOST Author(s)
- Lee, Jung Hyun(이정현)
- A bacterium (named OT-1T) that showed algicidal activity was isolated from sea water of Masan Bay, Korea, during an outbreak of red tide. Phylogenetic analysis based on 16S rDNA sequences showed that the isolate formed a distinct phyletic lineage within the family Flavobacteriaceae of the Cytophaga-Flavobacterium-Bacteroides group. No species with a validly published name showed ≥93% 16S rRNA gene sequence similarity to strain OT-1T. The isolate had major amounts of iso-branched and 3-hydroxy iso-branched fatty acids and menaquinone 6 and a DNA G + C content of 34 mol%; these chemotaxonomic characters also supported the placement of the organism in the family Flavobacteriaceae. The strain was Gram-negative, yellow-pigmented, non-motile, non-gliding, flexirubin-negative, strictly aerobic, catalase-negative, oxidase-positive and halophilic. Na+, Ca2+ and Mg2+ ions were obligately required for growth. The strain utilized various sugars as sole carbon sources and degraded gelatin, skimmed milk and starch. Several phenotypic characters can be used to differentiate the test strain from phylogenetically related marine bacterial genera. On the basis of polyphasic evidence, it is proposed that strain OT-1T should be assigned to the family Flavobacteriaceae as Kordia algicida gen, nov., sp. nov. The type strain is OT-1T (= KCTC 8814PT = NBRC 1000336T). © 2004 IUMS.
- International Journal of Systematic and Evolutionary Microbiology, v.54, no.3, pp.675 - 680, 2004
- bacterial DNA; calcium ion; carbon; catalase; cytosine; DNA 16S; farnoquinone; fatty acid derivative; gelatin; guanine; magnesium ion; oxidoreductase; RNA 16S; sea water; sodium ion; starch; sugar; aerobic bacterium; article; bacterial growth; bacterioplankton; bacterium isolate; Bacteroides; chemotaxonomy; controlled study; DNA sequence; epidemic; fatty acid analysis; Flavobacterium; Flexibacteraceae; GC rich sequence; halophilic bacterium; Kordia algicida; Korea; milk; molecular phylogeny; nonhuman; nucleotide sequence; phenotypic variation; priority journal; publishing; red tide; RNA sequence; strain difference; validation process; Animals; Base Composition; Carbohydrate Metabolism; Dinoflagellida; DNA, Bacterial; DNA, Ribosomal; Flexibacteraceae; Korea; Microscopy, Electron, Scanning; Molecular Sequence Data; Phenotype; Phylogeny; RNA, Bacterial; RNA, Ribosomal, 16S; Bacteria (microorganisms); Bacteroides; Cytophaga; Flavobacteriaceae; Flavobacterium; Kordia algicida; Negibacteria
- Related Researcher
marine biotechnology,molecular microbiology,해양생명공학,분자미생물학
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