1887

Abstract

An alkalitolerant actinomycete strain, designated EGI 80674, was isolated from a rhizosphere soil of (Pall.) Bieb in Xinjiang, north-west China and subjected to a taxonomic characterization using a polyphasic approach. Strain EGI 80674 formed white aerial hyphae with long spore chains. Whole-cell hydrolysates of the isolate contained -diaminopimelic acid as the diagnostic diamino acid with no diagnostic sugars. The major fatty acids identified were iso-C, anteiso-C and 10-methyl-CTBSA. The predominant menaquinones detected were MK-10(H) and MK-10(H). The G+C content of the genomic DNA of strain EGI 80674 was 70.9 mol%. Strain EGI 80674 showed the highest 16S rRNA gene sequence similarity (97.24 %) to NBRC 102170. The DNA–DNA relatedness value of strain EGI 80674 and NBRC 102170 was 18.4±1.3 %. Phenotypical, chemotaxonomic and phylogenetic characteristics and DNA–DNA hybridization data suggest that strain EGI 80674 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is EGI 80674 (=CGMCC 4.7228=KCTC 39673).

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2016-12-01
2022-01-21
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