| Author |
Kang W, Hyun DW, Kim PS, Shin NR, Kim HS, Lee JY, Tak EJ, Roh JR, Park SD, Shim HE, Bae JW.
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| Abstract |
A novel Gram-staining-positive, aerobic, non-motile and coccus-shaped bacterium, designated strain TBS-100T, was isolated from the faeces of a crested ibis, Nipponia nippon. The phylogenetic analysis based on the 16S rRNA gene sequences showed that the closest relative of TBS-100T was Flexivirga alba DSM 24460T with 97.11 % sequence similarity, and that strain TBS-100T belonged to the genus Flexivirga. The optimum growth conditions for strain TBS-100T were 30 °C, at a pH of 7 and in the presence of 0 % (w/v) NaCl. The primary cellular fatty acids of strain TBS-100T were anteiso-C17 : 0 and iso-C17 : 0. The predominant isoprenoid quinones were MK-8 (H4) (70.2 %) and MK-8 (H6) (29.7 %). The polar lipids were diphosphatidylglycerol, phosphatidylinositol, seven unidentified lipids and an unidentified phospholipid. The whole-cell sugars of strain TBS-100T were ribose, glucose, galactose, rhamnose and mannose. The peptidoglycan contained alanine, lysine, glutamic acid, glycine and aspartic acid. The DNA G+C content was 64.8 mol%. The phenotypic, phylogenetic and genotypic analyses indicated that strain TBS-100T represents a novel species of the genus Flexivirga for which the name Flexivirga lutea sp. nov. is proposed. The type strain is TBS-100T (=KCTC 39625T=JCM 31200T). In addition, an emended description of the genus Flexivirga is proposed.
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