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Appl Microbiol Biotechnol. 2006 Nov;73(2):394-403. Epub 2006 Aug 16.

Intraspecific diversity of Oenococcus oeni strains determined by sequence analysis of target genes.

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Faculte d'Oenologie, UMR 1219, Oenologie-Ampelologie, INRA-Universite Victor Segalen Bordeaux 2, 351 cours de la Liberation, Talence 33405, France.


Using molecular techniques and sequencing, we studied the intraspecific diversity of Oenococcus oeni, a lactic acid bacterium involved in red winemaking. A relationship between the phenotypic and genotypic characterization of 16 O. oeni strains isolated from wine with different levels of enological potential was shown. The study was based on the comparative genomic analysis by subtractive hybridization between two strains of O. oeni with opposite enological potential. The genomic sequences obtained from subtractive hybridization were amplified by polymerase chain reaction and sequenced for the 16 strains. A considerable diversity among strains of O. oeni was observed.

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