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Polymorphism of Saccharomyces cerevisiae aquaporins

dc.contributor.authorLaizé, Vincent
dc.contributor.authorTacnet, F.
dc.contributor.authorRipoche, P.
dc.contributor.authorHohmann, S.
dc.date.accessioned2014-06-05T13:38:07Z
dc.date.available2014-06-05T13:38:07Z
dc.date.issued2000-07
dc.date.updated2014-06-03T10:27:08Z
dc.description.abstractAquaporin water channels facilitate the transmembrane diffusion of water and higher organisms possess a large number of isoforms. The genome of the yeast Saccharomyce cerevisiae contains two highly similar aquaporin genes, AQY1 and AQY2. AQY1 has been shown to encode a functional water channel but only in certain laboratory strains. Here we show that the AQY2 gene is interrupted by an 11 bp deletion in 23 of the 27 laboratory strains tested, with the exception of strains from the S1278b background, which also exhibit a functional Aqy1p. However, although the AQY2 gene from S1278b is highly homologous to functional aquaporins, we did not observe Aqy2p mediated water transport in Xenopus oocytes. A survey of 52 yeast strains revealed that all industrial and wild yeasts carry the allele encoding a functional Aqy1p, while none of these strains appear to have a functional Aqy2p. We conclude that natural and industrial conditions provide selective pressure to maintain AQY1 but apparently not AQY2.por
dc.identifier.citationLaizé V; Tacnet F; Ripoche P; Hohmann S. Polymorphism of Saccharomyces cerevisiae aquaporins, Yeast, 16, 10, 897-903, 2000.por
dc.identifier.doihttp://dx.doi.org/10.1002/1097-0061(200007)16:10<897::AID-YEA583>3.0.CO;2-T
dc.identifier.issn0749-503X
dc.identifier.urihttp://hdl.handle.net/10400.1/4200
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWileypor
dc.relation.publisherversionhttp://onlinelibrary.wiley.com/doi/10.1002/1097-0061%28200007%2916:10%3C897::AID-YEA583%3E3.0.CO;2-T/pdfpor
dc.subjectSaccharomyces cerevisiaepor
dc.subjectWater transportpor
dc.subjectYeastpor
dc.subjectPolymorphismpor
dc.subjectAquaporinpor
dc.subjectAQY1por
dc.subjectAQY2por
dc.titlePolymorphism of Saccharomyces cerevisiae aquaporinspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage903por
oaire.citation.issue10por
oaire.citation.startPage897por
oaire.citation.titleYeastpor
oaire.citation.volume16por
person.familyNameLaizé
person.givenNameVincent
person.identifier.orcid0000-0001-9565-9198
person.identifier.ridB-4463-2008
person.identifier.scopus-author-id6602982778
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationb51cd3d5-7ee4-47d8-9bc4-b3e297aa222f
relation.isAuthorOfPublication.latestForDiscoveryb51cd3d5-7ee4-47d8-9bc4-b3e297aa222f

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