1887

Abstract

A novel actinobacterium strain, 2614A723, was isolated from rhizosphere soil of mangrove plant collected at Touyuan, Wenchang, Hainan province, China. A phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 2614A723 formed a distinct phyletic line in the genus , the 16S rRNA gene tree sharing similarities of 98.35 %, 98.07 % and 97.86 % with NBRC 14099, TTN02-30 and TT02-15 respectively. Strain 2614A723 contained lysine and -diaminopimelic acid in the cell wall peptidoglycan and madurose, galactose and xylose in the whole-cell sugars. The predominant menaquinones were MK-9(H) and MK-9(H). The major polar phospholipids were phosphatidylglycerol and diphosphatidylglycerol. The predominant fatty acids were iso-C and anteiso-C. These chemotaxonomic data confirmed the affiliation of strain 2614A723 to the genus . It is apparent from the combined phenotypic data, biochemical tests and DNA–DNA hybridization values that strain 2614A723 should be classified in the genus as a representative of a novel species. The name sp. nov. is proposed with strain 2614A723 ( = CCTCC AA 2012001 = DSM 45727) as the type strain.

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2013-05-01
2019-12-11
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