Maribacter litoralis sp. nov. a marine bacterium isolated from seashore

Dong Wan Lee, Hanbyul Lee, Bong Oh Kwon, Jong Seong Khim, Un Hyuk Yim, Hongjae Park, Byeonghyeok Park, In Geol Choi, Beom Seok Kim, Jae Jin Kim

Research output: Contribution to journalArticlepeer-review

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Abstract

A novel Gram-stain-negative, moderately halophilic and aerobic bacterium, designated strain SDRB-Phe2 T , was isolated from coastal sediment of the yellow sea in Sindu-ri, Republic of Korea. Cells were oxidase-positive, catalase-positive, rod-shaped and surrounded by a capsule with gliding motility. Colonies were yellow-coloured, circular, pulvinate with entire margins. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SDRB-Phe2 T formed a distinct lineage within the genus Maribacter of the family Flavobacteriaceae. Stain SDRB-Phe2 T exhibited 16S rRNA gene sequence similarity values of 97.1-98.9% to the type strains of Maribacter stanieri, Maribacter spongiicola, Maribacter forsetii, Maribacter dokdonensis, Maribacter aquivivus, Maribacter caenipelagi, Maribacter litorisediminis, Maribacter sedimenticola, Maribacter ulvicola, Maribacter confluentis and Maribacter orientalis, and of 94.8-96.7% to the type strains of the other species of the genus Maribacter. Strain SDRB-Phe2 T contained MK-6 as the predominant respiratory quinone and iso-C 15: 1 G, iso-C 15: 0 and summed feature 3 (C 16: 1 ω7c and/or C 16: 1 ω6c) as the major fatty acids. The polar lipids of strain SDRB-Phe2 T were phosphatidylethanolamine, one unidentified amino lipid and two unidentified lipids. The DNA G+C content was 36.2 mol%. DNA-DNA relatedness values of strain SDRB-Phe2 T to the type strains of the 11 phylogenetically related species of the genus Maribacter were 21.9-38.6 %. On the basis of the phenotypic features, phylogenetic and DNA-DNA hybridization analyses presented here, strain SDRBPhe2 T (=JCM 32373 T =KCTC 62273 T =DSM 106042 T ) represents a novel species of the genus Maribacter, for which the name Maribacter litoralis sp. nov. is proposed.

Original languageEnglish
Article number003011
Pages (from-to)3471-3478
Number of pages8
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume68
Issue number11
DOIs
Publication statusPublished - 2018 Nov

Keywords

  • Bacteroidetes
  • Beach sediment
  • Maribacter
  • Marine bacteria

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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