1887

Abstract

A Gram-stain-negative, aerobic, rod-shaped and yellow-pigmented bacterial strain, designated TX0405, was isolated from an automotive air conditioning system. Colonies were circular, convex, semi-translucent, smooth and yellow. The strain grew at 20–28°C (optimum, 28°C), at pH 6.0–7.5 (optimum, pH 6.5) and in the presence of 0–1 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequence indicated that the strain was grouped with the members of the genus , with the sequence similarities of 93.0 and 92.3 % with DSM 21099 and JBM2-3, respectively. The major fatty acids of the strain were summed feature 3 (Cω7 and/or Cω6) (33.2 %), Cω5 (25.4 %), iso-C (15.0 %), C (6.5 %) and iso-C 3-OH (6.2 %). The predominant menaquinone was MK-7. The polar lipids were phosphatidylethanolamine, an unidentified aminolipid, two unidentified aminophospholipids and three unidentified lipids. The DNA G+C content of the type strain was 51.9 mol%. On the basis of the data presented, strain TX0405 represents a novel species of the genus , for which the name sp. nov. (=KACC 19012=NBRC 112493) is proposed.

Keyword(s): evaporator , novel species and Spirosoma
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2018-02-01
2020-08-04
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