1887

Abstract

A novel bacterial strain, YC7001, was isolated from the rhizosphere soil of rice collected at Jinju, Korea, and was characterized using a polyphasic approach. Cells of strain YC7001 were Gram-negative-staining, yellow-pigmented, rod-shaped, aerobic, heterotrophic and non-motile. Strain YC7001 grew optimally at 25–30 °C, pH 5.0–8.0 and degraded gelatin, cellulose and chitin. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain YC7001 belonged to the genus in the family . The most closely related species were NBRC 15057 (96.9 %), Gsoil 052 (95.9 %), DSM 2588 (95.7 %), IFO 15056 (95.7 %) and JS13-10 (95.0 %). The DNA–DNA relatedness value of strain YC7001 with NBRC 15057 was 15.2±0.6 %. Strain YC7001 contained MK-7 as the major menaquinone and homospermidine as the major polyamine. The major fatty acids of strain YC7001 were C iso, Cω5 and C iso 3-OH. The polar lipids were phosphatidylethanolamine, unknown aminolipids and unknown lipids. The total genomic DNA G+C content was 41.3 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic analyses, strain YC7001 represents a novel species of the genus , in the family , for which the name sp. nov. is proposed. The type strain is YC7001 ( = KACC 14533 = JCM 16595).

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2012-12-01
2019-10-14
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