1887

Abstract

A Gram-stain-negative, aerobic, rod-shaped, bacterium, C62-2, was isolated from activated sludge in Fujian Province, China. Phylogenetic analysis of the 16S rRNA gene sequences showed that it was closely related to WB 2.1-25 (97.92 %), THG-G118 (97.40 %), A37 (97.37 %) and LMG 22862 (97.3 %). Cells grew aerobically at 20–37 °C (optimum, 30 °C), pH 5.0–8.0 (optimum, pH 7.0) and in the presence of 0–3.0 % (w/v) NaCl. Strain C62-2 contained MK-7 as the major menaquinone and the major polar lipid was phosphatidylethanolamine. The major cellular fatty acids were iso-C, summed feature 3 (C 6, C 7) and iso-C 3-OH. The DNA G+C content was 43.2 mol% () and DNA–DNA reassociation values were 35.4 % between strain C62-2 and WB 2.1-25. On the basis of phenotypic, chemotaxonomic and phylogenetic comparisons with the closely related species and DNA–DNA relatedness values, it was concluded that strain C62-2 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is C62-2 (=CGMCC 1.15343=NBRC 111767).

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2018-01-01
2024-03-28
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