Coordinate responses to alkaline pH stress in budding yeast

Albert Serra-Cardona, David Canadell, Joaquín Ariño

Research output: Contribution to journalReview articleResearchpeer-review

47 Citations (Scopus)


© 2015 Serra-Cardona et al. Alkalinization of the medium represents a stress condition for the budding yeast Saccharomyces cerevisiae to which this organism responds with profound remodeling of gene expression. This is the result of the modulation of a substantial number of signaling pathways whose participation in the alkaline response has been elucidated within the last ten years. These regulatory inputs involve not only the conserved Rim101/PacC pathway, but also the calcium-activated phosphatase calcineurin, the Wsc1-Pkc1-Slt2 MAP kinase, the Snf1 and PKA kinases and oxidative stress-response pathways. The uptake of many nutrients is perturbed by alkalinization of the environment and, consequently, an impact on phosphate, iron/copper and glucose homeo-static mechanisms can also be observed. The analysis of available data highlights cases in which diverse signaling pathways are integrated in the gene promoter to shape the appropriate response pattern. Thus, the expression of different genes sharing the same signaling network can be coordinated, allowing functional coupling of their gene products.
Original languageEnglish
Pages (from-to)182-196
JournalMicrobial cell
Issue number6
Publication statusPublished - 1 Jun 2015


  • Calcineurin
  • PKA
  • S. cerevisiae
  • Snf1
  • Transcriptomics


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