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Molecular characterization of a chromosomal rearrangement involved in the adaptative evolution of yeast strains

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Molecular characterization of a chromosomal rearrangement involved in the adaptative evolution of yeast strains

dc.contributor.author	Pérez Ortín, José Enrique
dc.contributor.author	Querol Simón, Amparo
dc.contributor.author	Puig Todolí, Sergi
dc.contributor.author	Barrio Esparducer, Eladio
dc.date.accessioned	2013-12-02T09:12:56Z
dc.date.available	2013-12-02T09:12:56Z
dc.date.issued	2002
dc.identifier.citation	Pérez Ortín, José Enrique Querol Simón, Amparo Puig Todolí, Sergi Barrio Esparducer, Eladio 2002 Molecular characterization of a chromosomal rearrangement involved in the adaptative evolution of yeast strains Genome Research 12 10 1533 1539
dc.identifier.uri	http://hdl.handle.net/10550/31680
dc.description.abstract	Wine yeast strains show a high level of chromosome length polymorphism. This polymorphism is mainly generated by illegitimate recombination mediated by Ty transposons or subtelomeric repeated sequences. We have found, however, that the SSU1-R allele, which confers sulfite resistance to yeast cells, is the product of a reciprocal translocation between chromosomes VIII and XVI due to unequal crossing-over mediated by microhomology between very short sequences on the 5' upstream regions of the SSU1 and ECM34 genes. We also show that this translocation is only present in wine yeast strains, suggesting that the use for millennia of sulfite as a preservative in wine production could have favored its selection. This is the first time that a gross chromosomal rearrangement is shown to be involved in the adaptive evolution of Saccharomyces cerevisiae.
dc.relation.ispartof	Genome Research, 2002, vol. 12, num. 10, p. 1533-1539
dc.subject	Genètica molecular
dc.subject	Saccharomyces cerevisiae
dc.subject	Saccharomyces
dc.title	Molecular characterization of a chromosomal rearrangement involved in the adaptative evolution of yeast strains
dc.type	journal article	es_ES
dc.date.updated	2013-12-02T09:12:56Z
dc.identifier.doi	10.1101/gr.436602
dc.identifier.idgrec	001836
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1101/gr.436602