MASNEUF-POMAREDE, Isabelle; JUQUIN, Elodie; MIOT-SERTIER, Cecile; RENAULT, Philippe; LAIZET, Yec'Han; SALIN, Franck; ALEXANDRE, Hervé; CAPOZZI, Vittorio; COCOLIN, Luca; COLONNA-CECCALDI, Benoit; ENGLEZOS, Vasileios; GIRARD, Patrick; GONZALEZ, Beatriz; LUCAS, Patrick; MAS, Albert; NISIOTOU, Aspasia; SIPICZKI, Matthias; SPANO, Giuseppe; TASSOU, Chrysoula; BELY, Marina; ALBERTIN, Warren

doi:10.1093/femsyr/fov045

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MASNEUF-POMAREDE, Isabelle
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

JUQUIN, Elodie
Bio-Laffort

MIOT-SERTIER, Cecile
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

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Ce document a été publié dans

FEMS Yeast Research. 2015, vol. 15, n° 5, p. 11 p.

Oxford University Press (OUP)

Résumé en anglais

The yeast Candida zemplinina (Starmerella bacillaris) is frequently isolated from grape and wine environments. Its enological use in mixed fermentation with Saccharomyces cerevisiae has been extensively investigated these last few years, and several interesting features including low ethanol production, fructophily, glycerol and other metabolites production, have been described. In addition, molecular tools allowing the characterization of yeast populations have been developed, both at the inter- and intraspecific levels. However, most of these fingerprinting methods are not compatible with population genetics or ecological studies. In this work, we developed 10 microsatellite markers for the C. zemplinina species that were used for the genotyping of 163 strains from nature or various enological regions (28 vineyards/wineries from seven countries). We show that the genetic diversity of C. zemplinina is shaped by geographical localization. Populations isolated from winemaking environments are quite diverse at the genetic level: neither clonal-like behaviour nor specific genetic signature were associated with the different vineyards/wineries. Altogether, these results suggest that C. zemplinina is not under selective pressure in winemaking environments.< Réduire

Mots clés

grape

microsatellite

oenology

starmerella bacillaris

Mots clés en anglais

SSR

must