A previously undescribed anaerobic, heterofermentative, non-spore-forming, Gram-positive rod was isolated from the hindgut of the Formosan subterranean termite Shiraki. The DNA G+C content of this bacterium was 37·8 mol%. Sequence analysis of the 16S rRNA gene revealed that this organism is related to, but distinct from, several genera of lactic acid bacteria, principally several species of the genus . Phenotypic traits that serve to separate this organism from related genera include high levels of the cellular fatty acid C18 : 19 and the production of ethanol along with lactic acid as fermentation products. Based on the collected phylogenetic and phenotypic evidence, it is proposed that the unknown organism represents a novel species in a new genus, gen. nov., sp. nov. The type strain is TI-1 (=ATCC BAA-1030=CCUG 49613).


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