1887

Abstract

A Gram-negative, non-motile, non-gliding, strictly aerobic, pale yellow colony-forming, rod-shaped bacterial strain, designated HM0024, was isolated from coastal seawater of the Yellow Sea and subjected to a polyphasic taxonomy study. Based on 16S rRNA gene sequence similarities, strain HM0024 was most closely related to LMG 8329 (94.4 %), LMG 13028 (94.4 %), LMG 23089 (94.3 %) and ATCC 13253 (94.0 %) and shared less than 92 % sequence similarity with other members of the family . Phylogenetic analyses showed that strain HM0024 formed an independent phyletic line of descent within the family . The DNA G+C content of the strain was 29.6 mol% and its major cellular fatty acids (>10 %) were iso-C, iso-C 3-OH, iso-C 7 and summed feature 3 (C 6 and/or C 7). The major isoprenoid quinone was MK-6 and the major polar lipids were phosphatidylethanolamine and several aminolipids. Strain HM0024 was differentiated from phylogenetically related members of the family by having lower DNA G+C content, larger proportions of summed feature 3, anteiso-C and iso-C 3-OH and particular phenotypic characteristics. On the basis of phenotypic and phylogenetic data, strain HM0024 is classified as a representative of a novel genus and species, for which the name gen. nov., sp. nov. is proposed. The type strain of is HM0024 (=KCTC 22689 =CECT 7503).

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2010-09-01
2024-12-05
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