1887

Abstract

A Gram-stain-negative, aerobic, oxidase- and catalase-positive, flagellated, rod-shaped bacterial strain, designated SM1222, was isolated from the deep-sea sediment of the South China Sea. The strain grew at 4–35 °C and with 0.5–8 % NaCl (w/v). Phylogenetic analysis based on the 16S rRNA gene sequences revealed that strain SM1222 was affiliated with the genus in the class . It shared the highest sequence similarity with the type strain of (96.8 %) and 95.4–96.6 % sequence similarities with type strains of other species of the genus with validly published names. Strain SM1222 contained summed feature 3 (Cω7 and/or iso-C 2-OH), Cω7, C, C and summed feature 2 (C 3-OH and/or iso-C I) as the major fatty acids and ubiquinone Q-8 as the predominant respiratory quinone. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. The genomic DNA G+C content of strain SM1222 was 51.5 mol%. On the basis of the evidence presented in this study, strain SM1222 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain of is SM1222 ( = CCTCC AB 2013241 = KCTC 32510). An emended description of the genus Romanenko 2003 emend. Choi 2011 is also proposed.

Funding
This study was supported by the:
  • National Natural Science Foundation of China (Award Hi-Tech Research and Development Program of China, 31025001, 31290231, 31270117, 81271896, 31170055, 2011AA090703, 2012AA092103, 91228210, 31270064 and 2012AA092105)
  • China Ocean Mineral Resources R & D Association (COMRA) Special Foundation (Award DY125-15-R-03 and DY125-15-T-05)
  • Special Fund of China for Marine-Scientific Research in the Public Interest (Award 201005032-6)
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2014-04-01
2021-10-26
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