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Abstract

KUDC8001 was isolated from the rhizosperic soil of in the Dokdo Islands, Republic of Korea. Strain KUDC8001 was Gram-stain-negative, non-motile and rod-shaped. KUDC8001 was catalase- and oxidase-positive. This strain is capable of growing at 4–37 °C and pH 7.0–8.0 and exhibited optimal growth at 25 °C and pH 7.0. It could be grown in R2A, nutrient agar and ISP2 agar plates. The cell width ranged from 0.7 to 1.0 µm, and length ranged from 2.5 to 5.5 µm. The genomic G+C content was 40.8 mol%. Phylogenetic analysis, based on 16S rRNA gene sequences, revealed that the strain KUDC8001 belongs to the genus , which is most closely related to the strain HMF7616 (97.5%). The DNA relatedness of KUDC8001 with the type strains of HMF7616, 17 mud1-7 and HMF7605 was ≤80.3 % based on average nucleotide identity calculations and ≤86.9 % based on average amino acid identity calculations. DNA–DNA hybridization values of the strain KUDC8001 with the most closely related strains were 22.1, 24.0 and 24.4 %. Based on its phenotypic, phylogenetic, genetic and chemotaxonomic features, the strain KUDC8001 should be considered as a novel species in the genus , for which we have proposed the name sp. nov. The type strain is KUDC8001 (=KCTC 82078=CGMCC 1.18475).

Funding
This study was supported by the:
  • Kyungpook National University Development Project Research Fund
    • Principle Award Recipient: Ye-JiHwang
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2020-12-17
2021-07-29
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