Viridibacterium curvum gen. nov., sp. nov., isolated from freshwater

Ji Young Kang; Jeesun Chun; Young Cheol Jung; Kwang Yeop Jahng

doi:10.1007/s12275-017-7003-5

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Viridibacterium curvum gen. nov., sp. nov., isolated from freshwater: Ji Young Kang ¹, Jeesun Chun ², Young Cheol Jung ², Kwang Yeop Jahng ^2,3; Journal of Microbiology 2017;55(7):514-519.
DOI: https://doi.org/10.1007/s12275-017-7003-5
Published online: June 30, 2017

¹Industrial Microbiology and Bioprocess Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 56212, Republic of Korea, ²Department of Life Sciences, Chonbuk National University, Jeonju 54896, Republic of Korea, ³Research Center for Bioactive Materials, Chonbuk National University, Jeonju 54896, Republic of Korea

Corresponding author: Kwang Yeop Jahng , Tel: +82-63-270-3358,

Received: 2 January 2017 • Revised: 24 April 2017 • Accepted: 27 April 2017

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Abstract

A Gram stain-negative, yellowish green-pigmented, facultatively anaerobic, motile, curved rod-shaped bacterium designated as strain JJ016T was isolated from an artificial lake in South Korea, and characterized using a polyphasic approach. The 16S rRNA gene sequence of strain JJ016T indicated that the isolate belonged to the family Rhodocyclaceae and exhibited 95.0% identity to Uliginosibacterium gangwonense 5YN10-9T. The major cellular fatty acids of the novel strain were summed feature 3 (C16:1 ω6c and/or C16:1 ω7c), C16:0, C14:0, and summed feature 8 (C18:1 ω7c and/or C18:1 ω6c). The DNA G+C content of strain JJ016T was 61.9 mol%. The major respiratory quinone and major polar lipid of strain JJ016T were ubiquinone-8 and phosphatidylethanolamine, respectively. Based on the morphological and physiological properties and the biochemical evidence presented, we concluded that strain JJ016T represents a novel species of a new genus in the family Rhodocyclaceae, for which the name Viridibacterium curvum gen. nov., sp. nov. is proposed. The type strain is JJ016T (=KACC 16899T =JCM 18715T).

Keywords: Viridibacterium curvum gen. nov.;sp. nov.;Rhodocyclaceae

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Viridibacterium curvum gen. nov., sp. nov., isolated from freshwater

J. Microbiol. 2017;55(7):514-519. Published online June 30, 2017

DOI: https://doi.org/10.1007/s12275-017-7003-5

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