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Peer-reviewedCC BY 4.0The Journal of Microbiology

Description of two novel species, Flavobacterium suaedicola sp. nov. and Flavobacterium wonjuense sp. nov.

  • Seung Yeol Shin1,2
  • Heeyoung Kang3
  • Yihyun Jeon4
  • Song-Ih Han2
  • Ahyoung Choi5
  • Jaeho Song4
5 affiliations
  1. 1Division of Biodiversity Inventory, Honam National Institute of Biological Resources, Mokpo 58762, Republic of Korea
  2. 2Department of Microbial Biotechnology of Science & Technology, Mokwon University, Daejeon 35349, Republic of Korea
  3. 3Division of Biodiversity Conservation, Honam National Institute of Biological Resources, Mokpo 58762, Republic of Korea
  4. 4Division of Taxonomy, Honam National Institute of Biological Resources, Mokpo 58762, Republic of Korea
  5. 5Biological Resources Research Department, Nakdonggang National Institute of Biological Resources (NNIBR), Sangju 37242, Republic of Korea
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Abstract

Two novel bacterial strains, designated HNIBRBA15423T and 25HG05S-40T, were isolated from the root of a halophyte and from a riverbank soil in the Republic of Korea, respectively. Cells of both strains were Gram-stain-negative, yellow-pigmented, non-motile, and rod-shaped. Phylogenetic analysis based on 16S rRNA gene sequences revealed that both strains belong to the genus Flavobacterium. Strains HNIBRBA15423T and 25HG05S-40T showed the highest sequence similarity to Flavobacterium jejuense EC11T (98.5%) and Flavobacterium dankookense ARSA-19T (98.3%), respectively. The major cellular fatty acids of both strains included iso-C15:0, iso-C15:1 G, and iso-C17:0 3-OH. Both strains contained menaquinone-6 as the respiratory quinone and phosphatidylethanolamine as the major polar lipid. The complete genome sizes and DNA G + C contents were 4.29 Mb and 29.7% for strain HNIBRBA15423T, and 3.45 Mb and 36.6% for strain 25HG05S-40T. The average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) values were calculated. For HNIBRBA15423T, ANI value compared to F. jejuense EC11T were 85.2% with dDDH value of 29.5%. For 25HG05S-40T, ANI values compared to F. dankookense DSM 25687T and F. wongokense WG47T were 76.0% and 78.6%, respectively, with dDDH value of 20.3% and 21.5%. Based on the polyphasic taxonomic data, strains HNIBRBA15423T and 25HG05S-40T represent two novel species within the genus Flavobacterium, for which the names Flavobacterium suaedicola sp. nov. and Flavobacterium wonjuense sp. nov. are proposed.

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Cite

BibTeXRIS
BibTeX
@article{shin2026description,
  title = {{Description of two novel species, Flavobacterium suaedicola sp. nov. and Flavobacterium wonjuense sp. nov.}},
  author = {Seung Yeol Shin and Heeyoung Kang and Yihyun Jeon and Song-Ih Han and Ahyoung Choi and Jaeho Song},
  journal = {The Journal of Microbiology},
  year = {2026},
  month = oct,
  doi = {10.71150/jm.2607006},
  url = {https://doi.org/10.71150/jm.2607006},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Description of two novel species, Flavobacterium suaedicola sp. nov. and Flavobacterium wonjuense sp. nov.
AU  - Seung Yeol Shin
AU  - Heeyoung Kang
AU  - Yihyun Jeon
AU  - Song-Ih Han
AU  - Ahyoung Choi
AU  - Jaeho Song
PY  - 2026
DA  - 2026/10/31
JO  - The Journal of Microbiology
DO  - 10.71150/jm.2607006
UR  - https://doi.org/10.71150/jm.2607006
AB  - Two novel bacterial strains, designated HNIBRBA15423T and 25HG05S-40T, were isolated from the root of a halophyte and from a riverbank soil in the Republic of Korea, respectively. Cells of both strains were Gram-stain-negative, yellow-pigmented, non-motile, and rod-shaped. Phylogenetic analysis based on 16S rRNA gene sequences revealed that both strains belong to the genus Flavobacterium. Strains HNIBRBA15423T and 25HG05S-40T showed the highest sequence similarity to Flavobacterium jejuense EC11T (98.5%) and Flavobacterium dankookense ARSA-19T (98.3%), respectively. The major cellular fatty acids of both strains included iso-C15:0, iso-C15:1 G, and iso-C17:0 3-OH. Both strains contained menaquinone-6 as the respiratory quinone and phosphatidylethanolamine as the major polar lipid. The complete genome sizes and DNA G + C contents were 4.29 Mb and 29.7% for strain HNIBRBA15423T, and 3.45 Mb and 36.6% for strain 25HG05S-40T. The average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) values were calculated. For HNIBRBA15423T, ANI value compared to F. jejuense EC11T were 85.2% with dDDH value of 29.5%. For 25HG05S-40T, ANI values compared to F. dankookense DSM 25687T and F. wongokense WG47T were 76.0% and 78.6%, respectively, with dDDH value of 20.3% and 21.5%. Based on the polyphasic taxonomic data, strains HNIBRBA15423T and 25HG05S-40T represent two novel species within the genus Flavobacterium, for which the names Flavobacterium suaedicola sp. nov. and Flavobacterium wonjuense sp. nov. are proposed.
SN  - 1225-8873
SN  - 1976-3794
ER  -