1887

Abstract

An aerobic, Gram-stain-negative, non-spore-forming, non-flagellated, rod-shaped or filamentous bacterial strain, T16R-86, was isolated from rhizosphere of a tomato plant collected from a farm on Buyeo-gun, Chungcheongnam-do, South Korea. It grew at the temperature range 10–37 °C (optimum, 28 °C) and pH range 6.0–9.0 (optimum, pH 7.0), and tolerated up to 2 % (w/v) NaCl. According to 16S rRNA gene sequence analysis, strain T16R-86 shared the highest similarity with YLT18 (96.8 %) and DSM 2588 (96.7 %), forming a subcluster with YLT18, R156-2 and JS13-10 in the phylogenetic tree. The major fatty acids were iso-C, Cω and iso-C 3-OH. The predominant respiratory quinone was menaquinone MK-7. Polar lipids were phosphatidylethanolamine, five unknown aminolipids, an unknown aminophospholipid, one unknown phospholipid and two unknown lipids. The DNA G+C content was 53.6 mol%. The phenotypic, chemotaxonomic and phylogenetic data showed that strain T16R-86 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is T16R-86 (=KACC 18790=JCM 31600).

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2017-09-01
2020-01-22
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