1887

Abstract

A novel red-pigmented bacterial strain, designated NIO-1016, was isolated from a sediment sample from Chorao Island, India and was investigated by a polyphasic taxonomic approach. The strain was Gram-reaction-positive, strictly aerobic, motile and catalase-positive and produced spherical to slightly ellipsoidal endospores with subterminal position on swollen sporangia. The genomic DNA G+C content was 46.9 mol%. The major fatty acids were anteiso-C, anteiso-C, iso-C and C. The predominant quinones were MK-6 (89.3 %) and MK-7 (8.7 %). The polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, and an unidentified phospholipid. -Diaminopimelic acid (type A1γ) was present in the cell-wall peptidoglycan and the major whole-cell sugars were glucose and ribose. The closest phylogenetic neighbours were identified as DSM 25058 (98.0 % similarity) and DSM 28032 (97.2 % similarity), other species of the genus displayed below 96 % similarity. Phylogenetic, physiological, biochemical and morphological differences between strain NIO-1016 and its closest neighbours indicate that this strain represents a novel species in the genus in the family for which the name sp. nov. is proposed with the type species NIO-1016 ( = DSM 25145 = NCIM 5462 = CCTCC AB 2011121).

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2014-12-01
2019-11-22
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