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Abstract

A Gram-negative, rod-shaped and slightly halophilic bacterium, strain XY-R17, was isolated from the surface sediment of Mai Po Inner Deep Bay Ramsar Site birdwatch in Hong Kong. The 16S rRNA gene sequence of strain XY-R17 exhibited 96.5 % similarity to that of the type strain of . Optimal growth occurred at pH 7.0–7.5, 3–8 % (w/v) NaCl and at 30 °C. The major respiratory quinone was ubiquinone-10. The principal fatty acids were summed feature 8 (Cω7 and/or Cω6), summed feature 3 (Cω7 and/or Cω6), 11-methyl Cω7 and Cω6 .The polar lipid profile consisted of the major compounds sphingoglycolipid, phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine and two unknown lipids. The DNA G+C content was 64.7 mol%. Based on its phenotypic properties, chemotaxonomic characteristics and phylogenetic distinctiveness, strain XY-R17 should be designated as a novel species of the genus . Therefore, the name sp. nov. (type strain XY-R17=KCTC 52267=MCCC 1K01500) is proposed.

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2017-04-01
2020-01-23
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