1887

Abstract

Among strains isolated from Korean agricultural soils, four strains (Ps 9-14 group: Ps 1-2, Ps 1-10, Ps 5-5 and Ps 9-14) from the Suwon, Goesan and Samchok regions, three strains (Ps 3-10 group: Ps 2-22, Ps 3-1 and Ps 3-10) from Umsong Region and four strains (Pss 26 group: Pss 14, Pss 25, Pss 26 and Pss 27) from Jinju Region were identified as three independent groups on the basis of 16S rDNA sequence analysis. While, on the basis of 16S rDNA sequence analysis, Ps 9-14 and Ps 3-10 form a phyletic line with CIP 105274, ‘’ IAM 1155 and DSM 11363, Pss 26 is grouped with ATCC 13674 and IAM 1439. According to DNA–DNA hybridization studies, strain Ps 9-14 shows high DNA relatedness to strain Ps 3-10 (52 %) and CIP 105470 (49 %) and strain Ps 3-10 reveals high relatedness to strain Ps 9-14 (48 %) and CIP 105274 (45 %). Strain Pss 26 shows high relatedness to LMG 18378 (54 %), ATCC 33634 (48 %) and LMG 1242 (48 %). On the basis of phenotypic and genotypic analyses, three novel species of the genus are proposed: sp. nov. (type strain Ps 9-14 =LMG 21318 =KACC 10848) for the Ps 9-14 group, sp. nov. (type strain Ps 3-10 =LMG 21317 =KACC 10847) for the Ps 3-10 group and sp. nov. (type strain Pss 26 =LMG 21316 =KACC 10760) for the Pss 26 group.

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2003-01-01
2020-01-21
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