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Updated: Dec 13, 2025

Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
Published on: July 11, 2016
Flaviaesturariibacter flavus sp. nov., isolated from soil in Jeju Island
Jun Hwee Jang1,2, Soo Hyun Maeng1, Hee Young Jung2
1Department of Bio and Environmental Technology, College of Natural Science, Seoul Women's University, Seoul, 01797, Republic of Korea.
Abstract:
A Gram-stain-negative, non-motile and yellow-colored bacterium, designated 17J68-12T, was isolated from soil in Jeju Island, Korea. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 17J68-12T formed a distinct lineage within the family Chitinophagaceae and was mostly related to members of Flaviaesturariibacter luteus (97.5%), Flaviaesturariibacter amylovorans (96.8%) and Flaviaesturariibacter terrae (96.8%). Growth was observed at 18-42 °C (optimum 30 °C) in R2A broth at pH 7.0. The major cellular fatty acids of the strain 17J68-12 T were summed feature 3 (C16:1 ω6c and/or C16:1 ω7c), summed feature 1 (C15:1 iso-H and/or C13:0 3-OH), and iso-C15:0. The predominant respiratory quinones are MK-7 and MK-6. The major polar lipid was identified as phosphatidylethanolamine. Based on biochemical, chemotaxonomic and phylogenetic characteristics, the strain 17J68-12T represents a novel bacterial species within the family Chitinophagaceae, for which the name Flaviaesturariibacter flavus sp. nov. is proposed. The type strain of Flaviaesturariibacter flavus is 17J68-12T (= KCTC 62219T = JCM 33179T).
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