1887

Abstract

A Gram-stain-negative, non-spore-forming, rod-shaped and non-motile bacterium, designated strain xz20, was isolated from the wastewater of a municipal wastewater treatment plant in Xuzhou, China. The taxonomic status of strain xz20 was determined using a polyphasic approach. Growth occurred at 15–40 °C (optimum, 25–37 °C), at pH 6.0–8.5 (optimum, pH 7.0) and with 0–3 % (w/v) NaCl (optimum, 1–2 %). 16S rRNA gene sequence analysis revealed that strain xz20 was a member of the genus and shared the highest similarity with LW30 (95.85 %) and LQY-7 (95.20 %). The major respiratory quinone of strain xz20 was menaquinone 6 (MK-6), and the major fatty acids were iso-C, iso-C G and summed feature 9 (iso-C 9 and/or C 10-methyl). The major polar lipid was phosphatidylethanolamine. The genomic DNA G+C content of strain xz20 was 32.9 mol%. Based on the phenotypic, phylogenetic and chemotaxonomic characteristics, strain xz20 represents a novel species belonging to the genus , for which the name is proposed. The type strain is xz20 (=CCTCC AB 2015421=JCM 31174).

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2017-02-01
2020-01-25
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