A Gram-stain-negative, elongated rod-shaped, motile by gliding, green-pigmented, aerobic bacterial strain, designated LY03 T , was isolated from lake water in Xiamen, Fujian Province, China. Phylogenetic analysis based on 16S rRNA gene sequencing revealed that the isolate was a member of the genus Chitinimonas, which belongs to the family Burkholderiaceae. Strain LY03 T was most closely related to Chitinimonas taiwanensis LMG 22011 T (96.02 % 16S rRNA gene sequence similarity), followed by

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... nimonas koreensis KACC 11467 T (94.85 %), and the three strains formed a distinct lineage from other strains in the phylogenetic analyses. Optimum conditions for growth were 37 6C, pH 7-9 and without NaCl. The major fatty acids were summed feature 3 (C 16 : 1 v6c and/or C 16 : 1 v7c), C 16 : 0 and C 10 : 0 3-OH. The DNA G+C content of strain LY03 T was 63.6 mol% and the major respiratory quinone was ubiquinone-8 (Q-8). The polar lipids were found to consist of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, unknown polar lipids and unidentified phospholipids. Differential phenotypic properties and phylogenetic distinctiveness distinguished strain LY03 T from all other members of the genus Chitinimonas. On the basis of its morphology, physiology, fatty acid composition and 16S rRNA gene sequence data, strain LY03 T represents a novel species of the genus Chitinimonas, for which the name Chitinimonas prasina sp. nov. is proposed. The type strain is LY03 T (5MCCC 1F01209 T 5KCTC 32574 T ).