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Abstract

An alkaliphilic and halophilic actinomycete strain, designated EGI 80537, was isolated from a saline-alkali soil sample of Xinjiang, north-west China and subjected to a taxonomic characterization using a polyphasic approach. Strain EGI 80537 formed reticulate long aerial hyphae. Whole-cell hydrolysates of the isolate contained -diaminopimelic acid as the cell-wall diamino acid and mannose as the diagnostic sugar. The major fatty acids identified were iso-C, anteiso-C and 10-methyl-C (TBSA). The predominant menaquinones detected were MK-10(H) and MK-10(H). The G+C content of the genomic DNA of strain EGI 80537 was 67.6 mol%. Strain EGI 80537 showed the highest 16S rRNA gene sequence similarity to CA15-2 (96.7 %). Phylogenetic analysis showed that strain EGI 80537 clustered with the members of the family . Based on phenotypic, chemotaxonomic and phylogenetic characteristics, strain EGI 80537 represents a novel species of a new genus in the family for which the name gen. nov., sp. nov. is proposed. The type strain of the type species is EGI 80537(=CGMCC 4.7224= DSM 102030).

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2016-10-01
2020-01-23
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