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The Gram-stain-negative, rod-shaped bacterial strain designated RU-1-R-18T was isolated from intertidal sediment on Sakhalin Island in Russia. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain RU-1-R-18T was related to the genus Puniceibacterium and shared highest sequence similarities with the type strain Puniceibacterium antarcticum KACC 16875T (97.9 %). The predominant cellular fatty acid was C18 : 1ω7c. The polar lipid profile contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, one unidentified aminophospholipid and seven unidentified polar lipids. The genomic DNA G+C content of strain RU-1-R-18T was 59.1 mol%. Combined data from phenotypic, phylogenetic and DNA–DNA relatedness studies demonstrated that strain RU-1-R-18T represents a novel species of the genus Puniceibacterium , for which the name Puniceibacterium sediminis sp. nov. is proposed (type strain RU-1-R-18T = LMG 28384T = DSM 29052T).
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