1887

Abstract

Two Gram-stain-negative, yellow, aerobic and rod-shaped bacterial isolates, designated THG-DN3.18 and THG-DN3.19, were isolated from an ancient tree trunk from Daejeon, South Korea. 16S rRNA gene sequence similarity showed that both strains belong to the genus within the family . Strain THG-DN3.18 exhibited maximum sequence similarity with KCTC 23344 (98.5 %) while strain THG-DN3.19 exhibited maximum sequence similarity with LMG 24260 (97.3 %). In DNA–DNA hybridization tests, the two strains showed less than 35 % relatedness with respect to closely related species of the genus . Both strains contained iso-C and Cω6 and/or Cω7 (summed feature 3) as the predominant fatty acids and MK-7 as the major isoprenoid quinone. The DNA G+C contents of strains THG-DN3.18 and THG-DN3.19 were 35.5 and 40.1 mol%, respectively. The genotypic analysis, biochemical properties, and phenotypic and chemotaxonomic characteristics indicate that strains THG-DN3.18 and THG-DN3.19 represent novel species of the genus , for which the names sp. nov. and sp. nov. are proposed. The type strains are THG-DN3.18 ( = KCTC 42230 = JCM 30352) and THG-DN3.19 ( = KCTC 42233 = JCM 30353), respectively.

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2015-04-01
2019-10-14
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