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Volume 67, Issue 12

gen. nov., sp. nov., isolated from marine saltern Free

Abstract

A novel Gram-stain-negative, moderately halophilic, motile, facultatively anaerobic and rod-shaped strain, designated WDN1C137, was isolated from a marine saltern at Wendeng, PR China. Optimal growth occurred at 40 °C, pH 7.5 and with 7.0 % (w/v) NaCl. Q-10 was the sole respiratory quinone. The major cellular fatty acids (>10.0 %) in WDN1C137 were Cω7 (46.2 %), cyclo Cω8 (18.7 %) and C (12.3 %). The major polar lipids were phosphatidylglycerol, phosphoglycolipid, phosphatidylcholine, one unidentified glycolipid, one unidentified lipid, one unidentified aminolipid and two unidentified phospholipids. The genomic DNA G+C content was 70.9 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that WDN1C137 shared the highest similarity (94.5 %) to KCTC 42110, followed by JCM 10272 (94.2 %) and DSM 23042 (94.1 %). WDN1C137 formed a separate branch from the closely related genera , , and within the family , which indicated that it represented a novel genus in the phylogenetic tree. On the basis of the data from the current polyphasic study, the isolate is proposed to represent a novel species of a novel genus within the family , with the name gen. nov., sp. nov. The type strain of the type species is WDN1C137 (=KCTC 52478=MCCC 1H00170).

  • Received:
  • Accepted:
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Keyword(s): 16S rRNA gene , marine saltern , polyphasic taxonomy and Rhodosalinus sediminis gen. nov., sp. nov.
© 2017 IUMS
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2017-12-01
2024-04-18
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Rhodosalinus sediminis gen. nov., sp. nov., isolated from marine saltern
Int J Syst Evol Microbiol 67, 5108 (2017); https://doi.org/10.1099/ijsem.0.002424
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