sp. nov., isolated from wet mud Free

Abstract

Strain 17mud1-7, a pink, aerobic, catalase-positive, oxidase-positive and Gram-reaction-negative bacterium, was isolated from wet mud. The isolate grew aerobically at 18–37 °C (optimum 28 °C), at pH 6.0–8.0 (optimum pH 7.0) and in the presence of 0–1 % (w/v) NaCl (optimum 0 % NaCl). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 17mud1-7 belonged to the genus with highest sequence similarity of 96.4 % to 6424S-25. The strain showed the typical chemotaxonomic characteristics of the genus , with the presence of menaquinone MK-7 as the respiratory quinone, and summed feature 4 (composed of iso-C I/anteiso-C B), iso-C and C 5 as the major fatty acids are. The polar lipid profile contained two aminophosphoglycolipids, two glycolipids and three unidentified lipids. The DNA G+C content of strain 17mud1-7 was 45.9 mol%. Strain 17mud1-7 should thus be classified as representing a novel species in the genus , for which the name sp. nov. is proposed. The type strain is 17mud1-7 (=KCTC 52873=NBRC 112824).

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2018-04-01
2024-03-28
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