1887

Abstract

A dark-pink-coloured bacterial strain, B4Y-8, was isolated from a soil cultivated with ginseng. The 16S rRNA gene sequence of this strain showed highest similarity with BR-18 (96.8 %), BR-3 (96.6 %) and A5 (96.2 %) among the type strains of species of the genus . Strain B4Y-8 was a strictly aerobic, Gram-stain-negative, non-motile, short-rod-shaped bacterium producing a large amount of extracellular polymeric substance. The strain grew at 10–35 °C (optimum, 25 °C), at pH 3.0–11.0 (optimum, pH 7.0) and in the presence of 0–1 % (w/v) NaCl (optimum, 0 %). The DNA G+C content of strain B4Y-8 was 49.0 mol%. It contained menaquinone 7 (MK-7) as the major isoprenoid quinone, and summed feature 3 (Cω6 and/or Cω7) and iso-C as the major fatty acids. On the basis of evidence from the present polyphasic taxonomic study, strain B4Y-8 should be classified as representing a novel species of the genus , for which the name sp. nov. is proposed. The type strain is B4Y-8 ( = KACC 18152 = JCM 30759).

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2015-11-01
2019-10-20
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