1887

Abstract

A novel Gram-stain-positive, spore-forming, aerobic, non-motile, rod-shaped bacterium designated strain SD111 that forms red-pigmented colonies was isolated from a marine sediment sample (collected from 5 m depth) from Lakshadweep, India. Strain SD111 grew well on seawater agar at pH 6–10 (optimum pH 7.5±0.2). It showed maximum (97.6 %) 16S rRNA gene sequence similarity and formed a monophyletic clade with WS 4628 ( = DSM 25058). The genomic DNA G+C content was 37.4 mol% and the strain showed 37.7 % DNA–DNA relatedness to DSM 25058. The major fatty acids were anteiso-C, C, iso-C and iso-C and MK-6 was the predominant quinone. The polar lipid profile of strain SD111 consisted of unidentified phospholipids (PL1 and PL2), phosphatidylglycerol (PG) and diphosphatidylglycerol (DPG). The cell wall contained -diaminopimelic acid and the peptidoglycan was of A1γ type. Glucose and ribose were detected as major cell-wall sugars. Results from polyphasic studies indicated that SD111 represents a novel species of the genus for which the name sp. nov. is proposed. The type strain is SD111 ( = MCC 2255 = DSM 28032).

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2014-09-01
2019-11-15
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