A report on 36 unrecorded bacterial species isolated from Korean islands in 2023
Yi Hyun Jeon (Honam National Institute of Biological Resources)
Heeyoung Kang (Honam National Institute of Biological Resources)
Sathiyaraj Srinivasan (1Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University)
김명겸 (서울여자대학교)
김동욱 (상지대학교)
Yochan Joung (Department of Biotechnology and Chemical Engineering, Gyeonggi University of Science and Technology)
송재호 (국립호남권생물자원관)
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Abstract
Various samples were collected from Korean islands in order to obtain unrecorded bacterial species in 2023. After aerobically incubating on marine agar and Reasoner’s 2A agar, approximately 1,200 bacterial strains were isolated and identified using 16S rRNA gene sequences. A total of 36 strains showed ≥98.7% sequence similarity to previously published and validated bacterial species. However, these strains have not previously been reported in the Republic of Korea, indicating that they belong to Korean unrecorded bacterial species. The unrecorded bacterial species were assigned to the classes Actinomycetes, Bacilli, Bacteroidia, Flavobacteriia, Sphingobacteriia, Alphaproteobacteria, Betaproteobacteria, and Gammaproteobacteria. The information we obtained by examining the strains includes details of the Gram reactions, colony and cell morphology, biochemical characteristics, and phylogenetic positions of the unrecorded species.
- keywords
- 16S rRNA gene sequence, islands, unrecorded bacterial species
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