Salinimicrobium terrae sp. nov. isolated from saline soil, and emended description of the genus Salinimicrobium
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- Salinimicrobium terrae sp. nov. isolated from saline soil, and emended description of the genus Salinimicrobium
- Y G Chen; X L Cui; Y Q Zhang; W J Li; Y X Wang; Chang-Jin Kim; Jee Min Lim; L H Xu; C L Jiang
- Bibliographic Citation
- International Journal of Systematic and Evolutionary Microbiology, vol. 58, no. 11, pp. 2501-2504
- Publication Year
- A novel yellow-pigmented, Gram-negative, slightly halophilic, catalase-ppsitive, oxidase-negative, obligately aerobic bacterium, designated strain YIM-C338T, was isolated from saline soil from the Qaidam Basin in north-west China. Cells were non-sporulating, non-motile, short rods, predominantly occurring singly. Coccoid bodies and slightly curved rod-shaped cells of varying length developed in older cultures. Growth occurred with 0.5-8 % (w/v) NaCl (optimally with 1-3 %, w/v), at pH 6.0-9.0 (optimally at pH 7.0) and at 4-37 °C (optimally at 28 °C). The major cellular fatty acids were C16:0, C'18:0, C16:1↓c, C18ω7c, iso-C13:0 3-OH and iso-C15:1. MK-6 was the only respiratory quinone. Non-diffusible carotenoid pigments were produced. Flexirubin-type pigments were absent. The genomic DNA G + C content was 42.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain YIM-C338T was a member of the genus Salinimicrobium, having sequence similarities of 97.3 and 94.0% with respect to Salinimicrobium xinjiangense BH206T and Salinimicrobium catena HY1T. The combination of the phylogenetic data, phenotypic characteristics and chemotaxonomic differences supported the view that strain YIM-C338T represents a novel species of the genus Salinimicrobium, for which the name Salinimicrobium terrae sp. nov. is proposed. The type strain is YIM-C338T (=DSM 17865T =CGMCC 1.6308T). An emended description of the genus Salinimicrobium is also provided.
- Microbiology Soc
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