1887

Abstract

A novel species of the genus , strain LDG1-22, for which we propose the name sp. nov., was isolated from a lichen sample collected from tree bark in Thailand. The taxonomic position of the species has been described based on a polyphasic approach. Strain LDG1-22 produced irregular sporangia on agar media. It contained -diaminopimelic acid in the cell-wall peptidoglycan. The major menaquinone was MK-9(H); the polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannosides and phosphatidylglycerol. Whole-cell hydrolysates contained ribose, glucose, mannose and small amounts of arabinose and xylose. The major cellular fatty acids were anteiso-C (31.2 %) and iso-C (14.2 %). Mycolic acids were absent. The G+C content was 73.6 %. 16S rRNA gene sequence analysis of strain LDG1-22 showed highest similarity (98.8 %) to DSM 45797 and it clustered with JCM 3264 and JCM 3121 in phylogenetic tree analysis. On the basis of the phenotypic characteristics and DNA–DNA relatedness, strain LDG1-22 could be distinguished from related species of the genus and so represents a novel species of this genus. The type strain of sp. nov. is LDG1-22 ( = JCM 30485 = TISTR 2343 = PCU 344).

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2016-01-01
2020-01-23
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