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Abstract

A red-pigmented bacterium producing a metallic green sheen, designated strain JC333, was isolated from a sand sample collected from Shivrajpur–Kachigad beach, Gujarat, India. Phylogenetic analyses based on the 16S rRNA gene sequence of strain JC333 showed highest sequence similarity to JC2044 (99.24 %) and less than 91.94 % similarity with other members of the class . DNA–DNA hybridizations between JC333 and JC2044 showed low relatedness values of 19 ± 1.3 % (reciprocal 21 ± 2.2 %). The major respiratory quinone was ubiquinone-9 (Q9) and the polar lipid profile was composed of the major components diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminophospholipid and an unidentified lipid. The presence of Cω7/Cω6, C, Cω7 and C as major fatty acids supported the affiliation of strain JC333 to the genus . Prodigiosin, cycloprodigiosin and eight other prodigiosin analogues were the pigments of JC333. Characterization based on 16S rRNA gene sequence analysis, physiological parameters, pigment analysis, ubiquinone, and polar lipid and fatty acid compositions revealed that JC333 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is JC333 ( = KCTC 42659 = LMG 28823).

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2015-12-01
2020-01-28
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