Persistence of Two Non-Saccharomyces Yeasts (Hanseniaspora and Starmerella) in the Cellar

Cédric Grangeteau 1 Daniel Gerhards 2 Christian von Wallbrunn 2 Hervé Alexandre 1 Sandrine Rousseaux 1, * Michèle Guilloux-Benatier 1
* Auteur correspondant
1 VAlMiS - Vin Aliment Microbiologie et Stress
PAM - Procédés Alimentaires et Microbiologiques, PAM - Procédés Alimentaires et Microbiologiques [Dijon]
2 IMB - Institut für Mikrobiologie & Biochemie, Zentrum für Analytische Chemie und Mikrobiologie
Abstract : Different genera and/or species of yeasts present on grape berries, in musts and wines are widely described. Nevertheless, the community of non-Saccharomyces yeasts present in the cellar is still given little attention. Thus it is not known if the cellar is a real ecological niche for these yeasts or if it is merely a transient habitat for populations brought in by grape berries during the winemaking period. This study focused on three species of non-Saccharomyces yeasts commonly encountered during vinification: Starmerella bacillaris (synonymy with Candida zemplinina), Hanseniaspora guilliermondii and Hanseniaspora uvarum. More than 1200 isolates were identified at the strain level by FT-IR spectroscopy (207 different FTIR strain pattern). Only a small proportion of non-Saccharomyces yeasts present in musts came directly from grape berries for the three species studied. Some strains were found in the must in two consecutive years and some of them were also found in the cellar environment before the arrival of the harvest of second vintage. This study demonstrates for the first time the persistence of non-Saccharomyces yeast strains from year to year in the cellar. Sulfur dioxide can affect yeast populations in the must and therefore their persistence in the cellar environment.
Keywords : Sulfur-dioxide Population-dynamics Candida-stellata Non-Saccharomyces strains persistence Cellar Hanseniaspora Starmerella Alcoholic fermentation Wine yeast Enological properties Grape berries Strains Cerevisiae Diversity
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01446576
Contributeur : Pam - Université de Bourgogne <>
Soumis le : jeudi 26 janvier 2017 - 10:26:32
Dernière modification le : mercredi 18 septembre 2019 - 09:26:02

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UNIV-BOURGOGNE | PAM | AGROSUP-DIJON | AGROSUP-PAM

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Cédric Grangeteau, Daniel Gerhards, Christian von Wallbrunn, Hervé Alexandre, Sandrine Rousseaux, et al.. Persistence of Two Non-Saccharomyces Yeasts (Hanseniaspora and Starmerella) in the Cellar. Frontiers in Microbiology, Frontiers Media, 2016, 7, pp.270. ⟨10.3389/fmicb.2016.00268⟩. ⟨hal-01446576⟩

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