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dc.contributor.authorBrandão, Rogélio Lopes-
dc.contributor.authorRosa, Júlio César Câmara-
dc.contributor.authorNicoli, Jacques Robert-
dc.contributor.authorAlmeida, Marcos Vinicius Simi-
dc.contributor.authorCarmo, Ana Paula do-
dc.contributor.authorQueiros, Heloa Teixeira-
dc.contributor.authorCastro, Ieso de Miranda-
dc.date.accessioned2017-03-10T16:24:58Z-
dc.date.available2017-03-10T16:24:58Z-
dc.date.issued2014-
dc.identifier.citationBRANDÃO, R. L. et al. Investigating acid stress response in different saccharomyces strains. Journal of Mycology, v. 2014, p.1-9, 2014. Disponível em: <https://www.hindawi.com/journals/jmy/2014/178274/>. Acesso em: 10 jan. 2017.pt_BR
dc.identifier.issn2314-6168-
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/7357-
dc.description.abstractYeast cells need to respond to a variety of stresses found in such different conditions as gastrointestinal tract after probiotic ingestion or fermentation vat during ethanol production. In the present study, H+ neutralisation capacity, membrane fatty acid composition, H+-ATPase activity, and cytosolic Ca2+ concentration were evaluated in yeast cells used for probiotic (Saccharomyces boulardii) and laboratory (Saccharomyces cerevisiae W303) purposes, as well as in some W303 mutant strains for ENA1 gene and S. cerevisiae BY4741. Results show that the H+ internal concentration of yeast is regulated by several systems, including the plasma membrane H+-ATPase, and that Ena1p has an important but undefined role in the cellular response to acid.Membrane fatty acid composition of S. cerevisiae W303 strain was affected by exposure to acidic pH, but the presence of 86mM NaCl prevented this effect, whereas membrane fatty acid composition of S. boulardii was unaffected by acidic pH. We also demonstrated that the acid stress response is dependent on calcium metabolism and blocked by FK 506.pt_BR
dc.language.isoen_USpt_BR
dc.rightsabertopt_BR
dc.titleInvestigating acid stress response in different saccharomyces strains.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.rights.licenseThis is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: o próprio artigo.-
dc.identifier.doihttp://dx.doi.org/10.1155/2014/178274-
Appears in Collections:DEFAR - Artigos publicados em periódicos

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