1887

Abstract

A Gram-stain-positive actinobacterium, designated strain SCSIO 15020, was isolated from sediment of the South China Sea, and characterized by using a polyphasic approach. The temperature range for growth was 24–60 °C, with optimal growth occurring at 50 °C. The pH range for growth was 6–10 (optimum pH 8–9). The NaCl concentration range for growth was 0–5 % (w/v). The peptidoglycan type was A4α. Polar lipids contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannoside and an unknown polar lipid. The major menaquinone was MK-8(H); MK-7(H) was present as a minor component. The major fatty acids (>5 %) were anteiso-C iso-C and iso-C. The DNA G+C content of strain SCSIO 15020 was 73.2 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SCSIO 15020 belonged to the genus , with the closest neighbours being 1A-C (96.3 % similarity), TT02-04 (95.7 %) and YIM 004 (95.6 %). Based on evidence from the present polyphasic study, strain SCSIO 15020 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SCSIO 15020 ( = DSM 25884 = NBRC 108941).

Funding
This study was supported by the:
  • , National Basic Research Program of China , (Award 2010CB833801)
  • , National Natural Science Foundation of China , (Award 41106139 and 41230962)
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2013-11-01
2020-05-26
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