1887

Abstract

A Gram-stain-positive, oxidase-negative, starch-hydrolysing, actinobacterium (strain JC82) was isolated from a soda lake in Lonar, India. Based on 16S rRNA gene sequence similarity studies, strain JC82 belonged to the genus and was most closely related to 1A-C (96.8 %) and other members of the genus (<96.5 %). The DNA G+C content of strain JC82 was 73.4 mol%. The cell-wall amino acids were alanine, glutamic acid and lysine with peptidoglycan type A4α. Polar lipids included diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannosides, an unidentified lipid (L1) and an unidentified glycolipid (GL3). The predominant isoprenoid quinone was menaquinone MK-8(H). Anteiso-C was the predominant fatty acid and significant proportions of iso-C, C, C, iso-C and iso-C were also detected. Strain JC82 produced thermostable alkaline amylase. The results of physiological and biochemical tests allowed a clear phenotypic differentiation of strain JC82 from all other members of the genus . Based on these data, strain JC82 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is JC82 ( = KCTC 19802 = NBRC 107612).

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2012-10-01
2019-10-20
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