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Abstract

An aerobic, Gram-reaction-negative, oxidase-positive and catalase-positive strain, YCWB25, was isolated from saltern farm sediment in Jimo-Daqiao of Qingdao, east coast of China. This strain had an absolute requirement for NaCl and was able to grow in the presence of 1–10 % (w/v) NaCl (optimal growth at 3–5 % NaCl). The strain grew at pH 5.0–9.0 (optimal growth at pH 8.0) and 4–42 °C (optimal growth at 30 °C). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain YCWB25 belonged to the clade of the family , and the closest species were members of the genus (similarity lower than 95.58 %). However, the novel strain formed a robust, distinct clade different from other members of the clade. The DNA G+C content of strain YCWB25 was 65.6 mol%. The predominant respiratory quinone was Q-10. The dominant cellular fatty acids were Cω, C and C cyclo 8. The phenotypic, chemotaxonomic and phylogenetic data indicated that strain YCWB25 represents a novel species of a new genus, for which the name gen. nov., sp. nov. is proposed. The type strain of is YCWB25 (=MCCC 1K00272=LMG 25394).

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2017-06-01
2020-01-28
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