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dc.contributor.author | Timón Gómez, Alba | es_ES |
dc.contributor.author | Proft ., Markus Hans | es_ES |
dc.contributor.author | Pascual-Ahuir Giner, María Desamparados | es_ES |
dc.date.accessioned | 2014-08-28T11:51:18Z | |
dc.date.available | 2014-08-28T11:51:18Z | |
dc.date.issued | 2013-11 | |
dc.identifier.issn | 1932-6203 | |
dc.identifier.uri | http://hdl.handle.net/10251/39274 | |
dc.description.abstract | Mpc proteins are highly conserved from yeast to humans and are necessary for the uptake of pyruvate at the inner mitochondrial membrane, which is used for leucine and valine biosynthesis and as a fuel for respiration. Our analysis of the yeast MPC gene family suggests that amino acid biosynthesis, respiration rate and oxidative stress tolerance are regulated by changes in the Mpc protein composition of the mitochondria. Mpc2 and Mpc3 are highly similar but functionally different: Mpc2 is most abundant under fermentative non stress conditions and important for amino acid biosynthesis, while Mpc3 is the most abundant family member upon salt stress or when high respiration rates are required. Accordingly, expression of the MPC3 gene is highly activated upon NaCl stress or during the transition from fermentation to respiration, both types of regulation depend on the Hog1 MAP kinase. Overexpression experiments show that gain of Mpc2 function leads to a severe respiration defect and ROS accumulation, while Mpc3 stimulates respiration and enhances tolerance to oxidative stress. Our results identify the regulated mitochondrial pyruvate uptake as an important determinant of respiration rate and stress resistance. | es_ES |
dc.description.sponsorship | This work was supported by Ministerio de Economia y Competitividad grant BFU2011-23326 to M.P.; A.T.-G. was supported by a JAE predoctoral grant from Consejo Superior de Investigaciones Cientificas. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | Public Library of Science | es_ES |
dc.relation.ispartof | PLoS ONE | es_ES |
dc.rights | Reconocimiento (by) | es_ES |
dc.subject | Mitochondria | es_ES |
dc.subject | Yeast | es_ES |
dc.subject | Cellular Stress Response | es_ES |
dc.subject | Biosynthesis | es_ES |
dc.subject | Pyruvate | es_ES |
dc.subject.classification | BIOQUIMICA Y BIOLOGIA MOLECULAR | es_ES |
dc.title | Differential regulation of mitochondrial pyruvate carrier genes modulates respiratory capacity and stress tolerance in yeast | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1371/journal.pone.0079405 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MICINN//BFU2011-23326/ES/REGULACION DE LA CROMATINA Y DE LA ESTRUCTURA MITOCONDRIAL EN RESPUESTA A ESTRES OSMOTICO/ | |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Biotecnología - Departament de Biotecnologia | es_ES |
dc.description.bibliographicCitation | Timón Gómez, A.; Proft ., MH.; Pascual-Ahuir Giner, MD. (2013). Differential regulation of mitochondrial pyruvate carrier genes modulates respiratory capacity and stress tolerance in yeast. PLoS ONE. 8(11):1-9. doi:10.1371/journal.pone.0079405 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1371/journal.pone.0079405 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 9 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 8 | es_ES |
dc.description.issue | 11 | es_ES |
dc.relation.senia | 254024 | |
dc.identifier.pmid | 24244496 | en_EN |
dc.identifier.pmcid | PMC3828368 | en_EN |
dc.contributor.funder | Ministerio de Ciencia e Innovación | |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas | |
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