Characterization of strains of sp. nov. and from spontaneous cocoa bean fermentations Free

Abstract

Six facultatively anaerobic, non-motile lactic acid bacteria were isolated from spontaneous cocoa bean fermentations carried out in Brazil, Ecuador and Malaysia. Phylogenetic analysis revealed that one of these strains, designated M75, isolated from a Brazilian cocoa bean fermentation, had the highest 16S rRNA gene sequence similarity towards LMG 24289 (97.7 %), LMG 24286 (93.3 %) and LMG 25373 (93.4 %). The remaining lactic acid bacteria isolates, represented by strain M622, showed the highest 16S rRNA gene sequence similarity towards the type strain of (99.9 %), a recently described species isolated from a flower in South Africa. gene sequence analysis indicated that the former strain represented a novel species, whereas , and gene sequence analysis indicated that the remaining five strains belonged to ; these results were confirmed by DNA–DNA hybridization experiments towards their respective nearest phylogenetic neighbours. Additionally, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry proved successful for the identification of species of the genera and and for the recognition of the novel species. We propose to classify strain M75 ( = LMG 26217  = CCUG 61472) as the type strain of the novel species sp. nov.

Funding
This study was supported by the:
  • Fund for Scientific Research-Flanders (FWO)
  • Research Council of the Vrije Universiteit Brussel
  • Barry Callebaut N.V.
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2013-05-01
2024-03-28
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