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Weissella fabaria sp. nov. from Ghanaian cocoa fermentation

¹ Laboratory of Microbiology, Ghent University, Ghent, Belgium;
² Vrije Universiteit Brussel, Brussels, Belgium

³ E-mail: katrien.debruyne{at}ugent.be

Two lactic acid bacteria, strain 257T (= LMG 24289T) and strain 252, were isolated from traditional heap fermentations of Ghanaian cocoa beans. 16S rRNA gene sequence analysis of these strains allocated them within the genus Weissella, showing 99.5% 16S rRNA gene sequence similarity towards the type strain of Weissella ghanensis LMG 24286T. Whole-cell protein electrophoresis, fluorescent amplified fragment length polymorphism fingerprinting of whole genomes, and biochemical tests confirmed its unique taxonomic position. DNA-DNA hybridization experiments towards their nearest phylogenetic neighbour demonstrated that both strains represent a novel species for which we propose the name Weissella fabaria, with strain 257T (= LMG 24289T = DSM 21416T) as the type strain. Additional sequence analysis using pheS gene sequences proved useful for identification of all Weissella-Leuconostoc-Oenococcus species and for the recognition of Weissella fabaria sp. nov.