1887

Abstract

A novel actinomycete strain, 7402J-48, was isolated from an air sample collected from Jeju island, Republic of Korea. Cells were Gram-positive, aerobic, flagellated, short rods. Strain 7402J-48 showed highest 16S rRNA gene sequence similarity (98.6 %) with TT07R-79, and had relatively low sequence similarities (below 95.1 %) with other members of the family . The cell wall of strain 7402J-48 contained alanine, glutamic acid and 2,6-diaminopimelic acid, suggesting A1γ-type peptidoglycan. The menaquinones were MK-9(H) and MK-8(H). The acyl type of the cell-wall muramic acid was acetyl. Diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannoside and an unknown lipid were present. The cellular fatty acid profile comprised a large amount of anteiso-C, moderate amounts of C, summed feature 3 (including Cω7 and/or Cω6), C, iso-C, C N alcohol and Cω8, and small amounts of other fatty acids. The DNA G+C content of strain 7402J-48 was 73 mol%. Based on its phenotypic and genotypic characteristics, strain 7402J-48 ( = KACC 15527 = NBRC 108730) is proposed as the type strain of a novel species, sp. nov. An emended description of the genus is provided.

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2013-02-01
2019-10-21
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