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Volume 68, Issue 6

sp. nov., isolated from a saline lake and emended description of the genus Free

Abstract

A Gram-stain-negative, non-motile, aerobic, rod-shaped bacterium, designated 15182, was isolated from a saline lake in China. The novel strain 15182 was able to grow at 10–40 °C (optimum, 37 °C), pH 7.0–8.0 (optimum, 7.5) and with 0.5–4 % NaCl (optimum, 2–3 %, w/v). The phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 15182 was most closely related to the genus by sharing the highest sequence similarity of 97.0 % with JZ3C29. Chemotaxonomic analysis showed that the sole respiratory quinone was menaquinone 7, the major fatty acids included C N alcohol and C 11. The major polar lipids included diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, four uncharacterized glycolipids, one uncharacterized phospholipid and two uncharacterized lipids. The genomic DNA G+C content of the strain 15182 was 42.4 mol%. The average nucleotide identity value between 15182 and JZ3C29 was 75.4 %, and the DNA–DNA hybridization value of the two strains was 19.1 %. On the basis of its phenotypic, chemotaxonomic, genotypic and genomic characteristics presented in this study, strain 15182 is suggested to represent a novel species in the genus , for which the name sp. nov. is proposed. The type strain is 15182 (=KCTC 62172=MCCC 1K03442). An emended description of the genus is also presented.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): phylogenetic analysis , Rhodohalobacter and whole genome sequencing
© 2018 IUMS
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2018-06-01
2024-04-19
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Rhodohalobacter barkolensis sp. nov., isolated from a saline lake and emended description of the genus Rhodohalobacter
Int J Syst Evol Microbiol 68, 1949 (2018); https://doi.org/10.1099/ijsem.0.002775
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