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

J Microbiol; 55(7): 514-519, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-28664517
A Gram stain-negative, yellowish green-pigmented, facultatively anaerobic, motile, curved rod-shaped bacterium designated as strain JJ016 was isolated from an artificial lake in South Korea, and characterized using a polyphasic approach. The 16S rRNA gene sequence of strain JJ016 indicated that the isolate belonged to the family Rhodocyclaceae and exhibited 95.0% identity to Uliginosibacterium gangwonense 5YN10-9. The major cellular fatty acids of the novel strain were summed feature 3 (C ω6c and/or C ω7c), C, C, and summed feature 8 (C ω7c and/or C ω6c). The DNA G+C content of strain JJ016 was 61.9 mol%. The major respiratory quinone and major polar lipid of strain JJ016 were ubiquinone-8 and phosphatidylethanolamine, respectively. Based on the morphological and physiological properties and the biochemical evidence presented, we concluded that strain JJ016 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 JJ016 (=KACC 16899 =JCM 18715).