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Weissella ghanensis sp. nov., isolated from a Ghanaian cocoa fermentation

¹ Laboratory of Microbiology and BCCM/LMG Bacteria Collection, Ghent University, K. L. Ledeganckstraat 35, B-9000 Ghent, Belgium
² Research Group of Industrial Microbiology and Food Biotechnology (IMDO), Department of Applied Biological Sciences and Engineering, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium

Correspondence
Katrien De Bruyne
Katrien.DeBruyne{at}UGent.be

During a study on lactic acid bacteria (and their species diversity) in spontaneous heap fermentations of Ghanaian cocoa beans, two strains, designated 215^T and 194B, were isolated. A phylogenetic analysis based on 16S rRNA gene sequences demonstrated that these strains represented a distinct lineage close to the genus Weissella and showing only 92.1 % 16S rRNA gene sequence similarity with respect to their closest neighbour, Weissella soli LMG 20113^T. Whole-cell protein electrophoresis, fluorescent amplified fragment length polymorphism fingerprinting of whole genomes and physiological and biochemical tests confirmed the unique taxonomic position of the two novel isolates. On the basis of the results of the morphological and biochemical tests and 16S rRNA gene sequence analysis, strains 215^T and 194B represent the most peripheral lineage of the genus Weissella, for which we propose the name Weissella ghanensis sp. nov. The type strain is 215^T (=LMG 24286^T=DSM 19935^T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strain 215^T and strain 194B are AM882997 and AM882998, respectively.

An extended neighbour-joining phylogenetic tree (based on 16S rRNA gene sequences) and whole-cell protein profiles for the novel strains, type strains of recognized Weissella species and other closely related taxa are available as supplementary figures with the online version of this paper.

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