A Gram-positive, rod-shaped, non-endospore-forming bacterium, strain ASB1(T), able to degrade tannin, was isolated from faeces of the Japanese large wood mouse, Apodemus speciosus. Comparative analysis of the 16S rRNA gene sequence revealed that the strain could be assigned as a member of the genus Lactobacillus. The nearest phylogenetic neighbours were determined as Lactobacillus animalis DSM 20602(T) (98.9 % 16S rRNA gene sequence similarity) and Lactobacillus murinus 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 Lactobacillus apodemi sp. nov. is proposed. The DNA G+C content of the novel strain is 38.5 mol%. The cell-wall peptidoglycan is of type A4alpha L-lys-D-asp. The type strain is ASB1(T) (=DSM 16634(T)=CIP 108913(T)).
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