ArticleFolia microbiologica2016
Assessment of the genetic polymorphism and physiological characterization of indigenous Oenococcus oeni strains isolated from Aglianico del Vulture red wine.
Article in Folia microbiologica, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Genomic Analysis of an Excellent Wine-Making StrainPolish journal of microbiology · 2022Article
- Molecular and Physiological Properties of Indigenous Strains ofMicroorganisms · 2022Article
- Metagenomic monitoring of soil bacterial community after the construction of a crude oil flowline.Environmental monitoring and assessment · 2022Article
- New Insights into the Exploitation ofAntioxidants (Basel, Switzerland) · 2020Article
- Effect of Biofilm Formation byFoods (Basel, Switzerland) · 2020Article
- Article
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Abstract
The aim of this study was a reliable intra-species discrimination and strain biodiversity in Oenococcus oeni populations of two different Aglianico wineries by molecular, biochemical, and physiological characterization. Pulsed field gel electrophoresis (PFGE) analysis revealed a high polymorphism related to the origin (winery) of strains, while differential display PCR (DD-PCR) allowed a further discrimination of strains from the same winery. Moreover, the heterogeneity of these natural populations was investigated by capillary electrophoresis and enzymatic assays. A variability related to a different surface charge distribution was observed among strains, linked to their origin. Malolactic activity study evidenced strain-specific differences in malic acid degradation, and then, only the presence of L(-)-malic acid in the medium induced the mle gene. This study provided evidences on the importance of intra-species biodiversity of malolactic bacterial populations in wine ecosystems, as each wine possess peculiar winemaking conditions and physical-chemical properties which make specific the bacterial survival and growth. This study highlighted a great biodiversity among O. oeni strains that can be also winery specific. Such biodiversity within a certain winery and winemaking area is important for selecting malolactic starters, and strain-specific trait identification is especially important to match individual strains to specific industrial process.
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