Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 106, Issue 6, Pages 1259-1267Publisher
SPRINGER
DOI: 10.1007/s10482-014-0296-z
Keywords
Oenococcus alcoholitolerans; Cachaca; Ethanol; Genomic taxonomy
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Funding
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
- Fundacao de Amparo a Pesquisa do Estado de Pernambuco (FACEPE)
- Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
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Four strains of lactic acid bacteria isolated from cacha double dagger a and alcohol fermentation vats in Brazil were characterised in order to determine their taxonomic position. Phylogenetic analysis revealed that they belong to the genus Oenococcus and should be distinguished from their closest neighbours. The 16S rRNA gene sequence similarity against the type strains of the other two species of the genus was below 94.76 % (Oenococcus kitaharae) and 94.62 % (Oenococcus oeni). The phylogeny based on pheS gene sequences also confirmed the position of the new taxon. DNA-DNA hybridizations based on in silico genome-to-genome comparison, Average Amino Acid Identity, Average Nucleotide Identity and Karlin genomic signature confirmed the novelty of the taxon. Distinctive phenotypic characteristics are the ability to metabolise sucrose but not trehalose. The name Oenococcus alcoholitolerans sp. nov. is proposed for this taxon, with the type strain UFRJ-M7.2.18(T) ( = CBAS474(T) = LMG27599(T)). In addition, we have determined a draft genome sequence of the type strain.
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