Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Mesorhizobium koreense sp. nov., Isolated from Soil

  • Hyosun Lee (Department of Biological Science, College of Science and Engineering, Sangji University) ;
  • Dhiraj Kumar Chaudhary (Department of Microbiology, Pukyong National University) ;
  • Dong-Uk Kim (Department of Biological Science, College of Science and Engineering, Sangji University)
  • Received : 2024.04.16
  • Accepted : 2024.06.04
  • Published : 2024.09.28
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Abstract

An aerobic, Gram-stain-negative, catalase-positive, rod-shaped, and motile bacteria, designated as a strain WR6T was isolated from soil in Republic of Korea. Strain WR6T grew at temperatures of 10-37℃, at pH of 5.0-9.0, and at NaCl concentrations of 0-3.0% (w/v). Phylogenetic and 16S rRNA gene nucleotide sequence analysis confirmed that strain WR6T affiliated to the genus Mesorhizobium, with the nearest relative being Mesorhizobium waimense ICMP 19557T (98.5%). The genome of strain WR6T was 5,035,462 bp with DNA G+C content of 62.6%. In strain WR6T, Q-10 was sole ubiquinone; summed feature 8 (C18:1ω7c and/or C18:1ω6c) and C19:0 cyclo ω8c were predominant fatty acids; and diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylcholine, and phosphatidylethanolamine were major polar lipids. Based on these polyphasic taxonomic data, strain WR6T represents a novel species in the genus Mesorhizobium. Accordingly, we propose the name Mesorhizobium koreense sp. nov., with the type strain WR6T (=KCTC 92695T =NBRC 116021T).

Keywords

Acknowledgement

This work was supported by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR202203112).

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