1887

Abstract

A novel actinobacterium, designated strain C4-31, was isolated from soil collected from a cave. Cells were aerobic, Gram-reaction-positive, oxidase-negative, catalase-positive and non-motile cocci. Comparison of 16S rRNA gene sequences showed that the organism occupied a distinct phylogenetic position within the suborder , with sequence similarity values of less than 93.2 % to members of this suborder. The diagnostic diamino acid in the cell-wall peptidoglycan was -diaminopimelic acid. The major menaquinone was MK-9(H). The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannoside, an unknown aminophospholipid and an unknown phospholipid. The major fatty acids were iso-C, Cω6 and C. The G+C content of the DNA was 62.8 mol%. On the basis of morphological and chemotaxonomic data as well as phylogenetic evidence, strain C4-31 ( = KCTC 39556 = DSM 100065) is considered to represent the type strain of a novel species of a new genus in the suborder , for which the name gen. nov., sp. nov. is proposed.

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2015-12-01
2020-01-25
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