| Abstract |
A pale-brown-coloured, rod-shaped, non-motile, and Gram-reaction-negative bacterium, strain I54T, was isolated from a water sample of a freshwater river in Iksan, Republic of Korea. The phylogenetic affiliation based on 16S rRNA gene sequence analysis showed that strain I54T belonged to the genus Soonwooa of the family Flavobacteriaceae with a sequence similarity of 97.5 % to Soonwooa buanensis HM0024T. The major fatty acids (>5 %) of strain I54T were iso-C15 : 0, anteiso-C15 : 0, summed feature 3 (C16 : 1ω7c/C16 : 1ω6c) and iso-C17 : 0 3-OH. Phosphatidylethanolamine, one aminolipid and two unknown lipids were the major polar lipids. The G+C content of the genomic DNA was 34.2 (±0.3)mol% and MK6 was the sole respiratory quinone. On the basis of its molecular and phenotypic characteristics, strain I54T represents a novel species in the genus Soonwooa, for which the name Soonwooapurpurea sp. nov. is proposed. The type strain is I54T (=KCTC 52722T=JCM 31880T).
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