Flavisolibacter galbus sp. nov., isolated from soil in Jeju Island

  • Soo Hyun Maeng
  • Myung Kyum Kim
  • Jun Hwee Jang
  • Hana Yi
  • Gayathri SubramaniEmail author
Original Paper


A Gram-stain negative, non-motile, and yellow-coloured bacterium, designated 17J28-26T, was isolated from soil in Jeju Island, Korea. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain 17J28-26T formed a distinct lineage within the family Chitinophagaceae (order Chitinophagales, class Chitinophagia), and is closely related to Flavisolibacter ginsenosidimutans (96.8% 16S rRNA gene sequence similarity), and Flavisolibacter ginsengisoli (96.6%). Growth was observed at 18–37 °C (optimum 30 °C) in R2A medium at pH 7.0. The major cellular fatty acids of strain 17J28-26T were summed feature 3 (C16:1 ω6c and/or C16:1 ω7c), and iso-C15:0. The predominant respiratory quinone was MK-7. The major polar lipid was identified as phosphatidylethanolamine. Based on biochemical, chemotaxonomic and phylogenetic characteristics, strain 17J28-26T represents a novel bacterial species within the family Chitinophagaceae, for which the name Flavisolibacter galbus sp. nov. is proposed. The type strain of Flavisolibacter galbus is 17J28-26T (= KCTC 62222T = JCM 33203T).


Chitinophagaceae Flavisolibacter Novel species Taxonomy 









Phosphatidylethanolamine (PE)



This work was supported by a research grant from Seoul Women’s University (2018) and by a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR201801204).

Author’s contributions

All authors equally contributed in this work.

Conflict of interest

All authors certify that there is no conflict of interest with any financial organization regarding the material discussed in the manuscript.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Soo Hyun Maeng
    • 1
  • Myung Kyum Kim
    • 2
  • Jun Hwee Jang
    • 3
  • Hana Yi
    • 1
    • 4
  • Gayathri Subramani
    • 2
    Email author
  1. 1.Department of Public Health Sciences, Graduate SchoolKorea UniversitySeoulRepublic of Korea
  2. 2.Department of Bio & Environmental Technology, College of Natural ScienceSeoul Women’s UniversitySeoulKorea
  3. 3.School of Applied Biosciences, Department of Horticultural Science, Institute of Plant MedicineKyungpook National UniversityDaeguRepublic of Korea
  4. 4.School of Biosystem and Biomedical ScienceKorea UniversitySeoulKorea

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