Flavobacterium filum sp. nov., isolated from a wastewater treatment plant in Korea

Seung Hyun Ryu, Minjeong Park, Yeji Jeon, Jung Ro Lee, Woojun Park, Che Ok Jeon

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

A Gram-negative bacterium, designated strain EMB34T, was isolated from a wastewater treatment plant in Korea. Growth was observed between 10 and 40 °C (optimum, 25-35 °C) and between pH 6.0 and 9.5 (optimum, pH 7.5-8.0). The cells were non-motile rods, linked with extracellular fibrils. The predominant fatty acids of strain EMB34T were iso-C15:0, C15:0, iso-C19:1 G, iso-C16:O 3-OH and iso-C15:O 3-OH and the strain contained phosphatidyl-ethanolamine and phosphatidylinositol as the polar lipids. The G+C content of the genomic DNA was 34.2 mol% and the major quinone was menaquinone-6. Comparative 16S rRNA gene sequence analyses showed that strain EMB34T formed a distinct phyletic line within the genus Flavobacterium. The levels of 16S rRNA gene sequence similarity with other Flavobacterium species were less than 94.5 %. On the basis of phenotypic, chemotaxonomic and molecular data, it is clear that strain EMB34T represents a novel species within the genus Flavobacterium, for which the name Flavobacterium Mum sp. nov. is proposed. The type strain is EMB34T (=KCTC 12610T=DSM 17961T.

Original languageEnglish
Pages (from-to)2026-2030
Number of pages5
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume57
Issue number9
DOIs
Publication statusPublished - 2007 Sep

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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