Actinopolyspora salinaria sp. nov., a halophilic actinomycete isolated from solar saltern soil.

Abstract:

:The taxonomic position of the halophilic actinobacterial strain, HS05-03T, isolated from solar saltern soil, was determined using a polyphasic approach. Phylogenetic analysis based on the 16S rRNA gene sequence of the strain showed that it formed a distinct evolutionary lineage in the genus Actinopolyspora. The organism was most closely related to the type strains of the species Actinopolyspora xinjiangensis (98.0% similarity), Actinopolyspora righensis (97.9% similarity), Actinopolyspora lacussalsi (97.9% similarity) and Actinopolyspora erythraea (97.8% similarity). The whole-organism hydrolysates contained meso-diaminopimelic acid, arabinose, galactose and ribose. The predominant menaquinones were found to be MK-9(H4) and MK-10(H4). The acyl type of the peptidoglycan was N-acetyl. The diagnostic phospholipid detected was phosphatidylcholine. The predominant cellular fatty acids were iso-C16 : 0, anteiso-C17:0 and iso-C15:0. The G+C content of the genomic DNA was 69.9 mol%. DNA-DNA hybridization values between strain HS05-03T and the type strains of the most closely related species were below the 70 % threshold. On the basis of the phenotypic and genotypic data, it is proposed that strain HS05-03T represents a novel species of the genus Actinopolyspora, with the name Actinopolyspora salinaria sp. nov. The type strain is HS05-03T (=BCC 51286T=NBRC 109078T).

authors

Duangmal K,Suksaard P,Pathom-Aree W,Mingma R,Matsumoto A,Takahashi Y

doi

10.1099/ijsem.0.000926

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

1660-1665

issue

4

eissn

1466-5026

issn

1466-5034

journal_volume

66

pub_type

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