1887

Abstract

An aerobic, endospore-forming, alkali-tolerant, Gram-stain-positive, non-motile, rod-shaped bacterium, designated strain NIO-S10, was isolated from a surface water sample collected from the Godavari River, Kapileswarapuram, India. Colonies on nutrient agar were circular, 3-4 mm in diameter, creamish and raised after incubation for 36 h at 37 °C. Growth occurred at 20–40 °C, at pH 6–9 and in the presence of 0–2 % (w/v) NaCl. Strain NIO-S10 was positive for oxidase, caseinase, DNase, gelatinase, lipase and urease activities, and negative for catalase, aesculinase, amylase and cellulase activities. The fatty acids were dominated by branched and saturated fatty acids, with a high abundance of iso-C, anteiso-C and C.The cell-wall peptidoglycan contained -diaminopimelic acid as the diagnostic diamino acid, and MK-7 was the major menaquinone. The DNA G+C content of strain NIO-S10 was 54.4 mol%. A sequence similarity search based on 16S rRNA gene sequences indicated that Gsoil 1105 was the nearest phylogenetic neighbour to strain NIO-S10, with a pairwise sequence similarity of 94.9 %. Phylogenetic analysis showed that strain NIO-S10 was clustered with members of the genus and together with members of the genus . Based on phenotypic characteristics and phylogenetic inference, strain NIO-S10 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is NIO-S10 ( = KCTC 32289 = MTCC 12483).

Funding
This study was supported by the:
  • Council of Scientific and Industrial Research (Award PSC0105)
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2015-12-01
2024-03-28
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