Uliginosibacterium sangjuense sp. nov., isolated from sediment of the Nakdong River

Han, Ji-Hye; Baek, Kiwoon; Ahn, Young-Hee; Lee, WookJae; Lee, Mi-Hwa

Uliginosibacterium sangjuense sp. nov., isolated from sediment of the Nakdong River

2018

Han, Ji-Hye | Baek, Kiwoon | Ahn, Young-Hee | Lee, WookJae | Lee, Mi-Hwa

A Gram-negative, aerobic, motile by flagella, and light yellow bacterium, designated SS1-76ᵀ, was isolated from sediment of the Nakdong River in Sangju-si, Republic of Korea. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the isolate SS1-76ᵀ belongs to the genus Uliginosibacterium of the family Rhodocyclaceae, exhibiting high sequence similarity with the type strains of Uliginosibacterium gangwonense 5YN10-9ᵀ (96.0%) and Uliginosibacterium paludis KBP-13ᵀ (94.9%). Strain SS1-76ᵀ contains ubiquinone-8 as a respiratory quinone and summed feature 3 (C₁₆:₁ ω7c and/or C₁₆:₁ ω6c), C₁₆:₀, and C₁₄:₀ as major fatty acids. The cellular polar lipids are composed of phosphatidylethanolamine, phosphatidylglycerol, and unidentified aminophospholipids. The DNA G+C content was 65.3 mol%. Phenotypic, chemotaxonomic, and phylogenetic evidence clearly indicated that strain SS1-76ᵀ represents a novel species of the genus Uliginosibacterium, for which the name Uliginosibacterium sangjuense sp. nov. is proposed. The type strain is SS1-76ᵀ (= KCTC 52159ᵀ = JCM 31375ᵀ).

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