A Gram-positive, rod-shaped, non-endospore-forming bacterium, strain ASB1, able to degrade tannin, was isolated from faeces of the Japanese large wood mouse, . Comparative analysis of the 16S rRNA gene sequence revealed that the strain could be assigned as a member of the genus . The nearest phylogenetic neighbours were determined as DSM 20602 (98.9 % 16S rRNA gene sequence similarity) and ASF 361 (98.9 %). Subsequent polyphasic analysis, including automated ribotyping and DNA–DNA hybridization experiments, confirmed that the isolate represents a novel species, for which the name sp. nov. is proposed. The DNA G+C content of the novel strain is 38.5 mol%. The cell-wall peptidoglycan is of type A4 -lys–-Asp. The type strain is ASB1 (=DSM 16634=CIP 108913).


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