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A Gram-stain-negative, rod-shaped, yellow, non-motile, aerobic bacterium (strain S27T) was isolated from bank soil of the Xixi wetland in Zhejiang province, PR China. Phylogenetic analysis, based on its 16S rRNA gene sequence, revealed that strain S27T could represent a novel species of the genus Pedobacter showing highest similarity to Pedobacter koreensis WPCB189T (95.45 %), followed by ‘Pedobacter zeaxanthinifaciens’ TDMA-5 (95.22 %). The temperature, pH and NaCl concentration ranges for growth were 6–37 °C (optimum 28 °C), pH 5.0–9.0 (optimum pH 7.5) and 0–3 % (w/v) [optimum 0.5 % (w/v)], respectively. The DNA G+C content was 36.1 mol%, MK-7 was the only respiratory quinone, and iso-C15 : 0, iso-C17 : 0 3-OH and summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH) were the major fatty acids. These data all support the affiliation of strain S27T to the genus Pedobacter . The polar lipids of strain S27T comprised phosphatidylethanolamine, one unidentified aminophospholipid, four unidentified aminolipids and three unidentified lipids. However, strain S27T could be distinguished from other members of the genus Pedobacter due to its physiological and biochemical characteristics. Therefore, strain S27T represents a novel species of the genus Pedobacter , for which the name Pedobacter xixiisoli sp. nov. is proposed; the type strain is S27T ( = CGMCC 1.12803T = NBRC 110388T).
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