A novel bacterium, XHU 5135, belonging to the genus , was isolated from a salt lake sample collected in Xinjiang Province, north-west PR China. The isolate was Gram-stain-negative, rod-shaped and non-motile. The strain was catalase-positive and oxidase-negative. Growth occurred at NaCl concentrations of 5-25 % (optimum, 10-13 %), at 13-41 °C (35-37 °C) and at pH 6.0-10.0 (pH 7.0-8.0). The predominant ubiquinone was Q-9. The major fatty acids were C cyclo 8 and C. The G+C content of the genomic DNA was 58.1 mol%. The affiliation of strain XHU 5135 with the genus was confirmed by 16S rRNA gene sequence comparisons. The closest type strain was YIM 90637, which showed a 16S rRNA gene sequence similarity of 97.5 %. The ANI value between XHU 5135 and the closest type strain was 80.01 %. The estimated digital DNA-DNA hybridization estimate value between strain XHU 5135 and the closest type strain was 22.80 %. Phenotypically, the characteristics of XHU 5135 were shown to differ from the most closely related species, . On the basis of the data from this polyphasic study, strain XHU 5135 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is strain XHU 5135 (=CCTCC AB 2016344=KCTC 42945=DSM 104700).
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http://dx.doi.org/10.1099/ijsem.0.003955 | DOI Listing |
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