1887

Abstract

A Gram-reaction-negative, aerobic, non-motile, non-spore-forming, rod-shaped bacterium, designated YX-36, was isolated from a vegetable plot in Yixing, Jiangsu province, China. The strain grew at 15–37 °C (optimally at 37 °C), at pH 6.0–9.5 (optimally at pH 6.5) and in the presence of 0–1 % (w/v) NaCl (optimally without NaCl). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain YX-36 was related most closely to DR-9 (96.88 % similarity), followed by SMS-12 (95.78 %), DR-f3 (95.77 %) and DRP28 (95.77 %). The DNA G+C content of strain YX-36 was 47.2 mol%. The only isoprenoid quinone was menaquinone 7 (MK-7). The major polar lipids were phosphatidylethanolamine and aminophospholipid. The major fatty acids were iso-C, summed feature 3 (iso-C 2-OH/Cω7) and iso-C 3-OH. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain YX-36 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is YX-36 ( = DSM 26809 = CCTCC AB 2012880).

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2016-04-01
2022-01-29
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