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Evolutionary Advantage Conferred by an Eukaryote-to-Eukaryote Gene Transfer Event in Wine Yeasts

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Evolutionary Advantage Conferred by an Eukaryote-to-Eukaryote Gene Transfer Event in Wine Yeasts

dc.contributor.author	Marsit, Souhir
dc.contributor.author	Mena, Adriana
dc.contributor.author	Bigey, Frédéric
dc.contributor.author	Sauvage, François-Xavier
dc.contributor.author	Couloux, Arnaud
dc.contributor.author	Guy, Julie
dc.contributor.author	Legras, Jean-Luc
dc.contributor.author	Barrio Esparducer, Eladio
dc.contributor.author	Dequin, Sylvie
dc.contributor.author	Galeote, Virginie
dc.date.accessioned	2016-06-14T15:34:49Z
dc.date.available	2016-06-14T15:34:49Z
dc.date.issued	2015
dc.identifier.citation	Marsit, Souhir Mena, Adriana Bigey, Frédéric Sauvage, François-Xavier Couloux, Arnaud Guy, Julie Legras, Jean-Luc Barrio Esparducer, Eladio Dequin, Sylvie Galeote, Virginie 2015 Evolutionary Advantage Conferred by an Eukaryote-to-Eukaryote Gene Transfer Event in Wine Yeasts Molecular Biology and Evolution 32 7 1695 1707
dc.identifier.uri	http://hdl.handle.net/10550/54061
dc.description.abstract	Although an increasing number of horizontal gene transfers have been reported in eukaryotes, experimental evidence for their adaptive value is lacking. Here, we report the recent transfer of a 158-kb genomic region between Torulaspora microellipsoides and Saccharomyces cerevisiae wine yeasts or closely related strains. This genomic region has undergone several rearrangements in S. cerevisiae strains, including gene loss and gene conversion between two tandemly duplicated FOT genes encoding oligopeptide transporters. We show that FOT genes confer a strong competitive advantage during grape must fermentation by increasing the number and diversity of oligopeptides that yeast can utilize as a source of nitrogen, thereby improving biomass formation, fermentation efficiency, and cell viability. Thus, the acquisition of FOT genes has favored yeast adaptation to the nitrogen-limited wine fermentation environment. This finding indicates that anthropic environments offer substantial ecological opportunity for evolutionary diversification through gene exchange between distant yeast species.
dc.language.iso	eng
dc.relation.ispartof	Molecular Biology and Evolution, 2015, vol. 32, num. 7, p. 1695-1707
dc.subject	Aliments Biotecnologia
dc.subject	Biologia
dc.subject	Fermentació
dc.title	Evolutionary Advantage Conferred by an Eukaryote-to-Eukaryote Gene Transfer Event in Wine Yeasts
dc.type	journal article	es_ES
dc.date.updated	2016-06-14T15:34:50Z
dc.identifier.doi	10.1093/molbev/msv057
dc.identifier.idgrec	111910
dc.rights.accessRights	open access	es_ES