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Updated: May 21, 2026

Collection, Isolation and Enrichment of Naturally Occurring Magnetotactic Bacteria from the Environment
Published on: November 15, 2012
Kangiella sediminilitoris sp. nov., isolated from a tidal flat sediment
Soo-Young Lee1, Sooyeon Park1, Tae-Kwang Oh1
1Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yuseong, Daejeon 306-809, Republic of Korea.
Abstract:
A Gram-stain-negative, non-motile, non-spore-forming, rod-shaped bacterial strain, BB-Mw22(T), was isolated from a tidal flat sediment of the South Sea in South Korea. It grew optimally at 30-37 °C, at pH 7.0-7.5 and in the presence of 2-3 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences revealed that strain BB-Mw22(T) belonged to the genus Kangiella and the cluster comprising Kangiella species and strain BB-Mw22(T) was clearly separated from other taxa. Strain BB-Mw22(T) exhibited 95.3-98.7 % 16S rRNA gene sequence similarity to the type strains of recognized Kangiella species. Strain BB-Mw22(T) contained Q-8 as the predominant ubiquionone and iso-C15 : 0 and iso-C11 : 0 3-OH as the major fatty acids. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmonomethylethanolamine and one unidentified aminolipid. The DNA G+C content of strain BB-Mw22(T) was 48.9 mol%, and its mean DNA-DNA hybridization values with Kangiella geojedonensis YCS-5(T), Kangiella japonica JCM 16211(T) and Kangiella taiwanensis JCM 17727(T) were 14-28 %. Phylogenetic and genetic distinctiveness and differential phenotypic properties revealed that strain BB-Mw22(T) is distinguishable from all recognized Kangiella species. On the basis of the data presented, strain BB-Mw22(T) is considered to represent a novel species of the genus Kangiella, for which the name Kangiella sediminilitoris sp. nov. is proposed. The type strain is BB-Mw22(T) ( = KCTC 23892(T) = CCUG 62217(T)).
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