PreprintCited by 442Fungal and yeast genetics researchSignaling Pathways in DiseaseBacterial Genetics and Biotechnology

Calcineurin acts through the CRZ1/TCN1-encoded transcription factor to regulate gene expression in yeast

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Stathopoulos, Angelike M., Cyert, Martha S.·1997·Genes & Development

Abstract

Calcineurin is a conserved Ca2+/calmodulin-dependent protein phosphatase that plays a critical role in Ca2+ signaling. We describe new components of a calcineurin-mediated response in yeast, the Ca2+-induced transcriptional activation of FKS2, which encodes a beta-1,3 glucan synthase. A 24-bp region of the FKS2 promoter was defined as sufficient to confer calcineurin-dependent transcriptional induction on a minimal promoter in response to Ca2+ and was named CDRE (for calcineurin-dependent response element). The product of CRZ1 (YNL027w) was identified as an activator of CDRE-driven transcription. Crz1p contains zinc finger motifs and binds specifically to the CDRE. Genetic analysis revealed that crz1Delta mutant cells exhibit several phenotypes similar to those of calcineurin mutants and that overexpression of CRZ1 in calcineurin mutants suppressed these phenotypes. These results suggest that Crz1p functions downstream of calcineurin to effect multiple calcineurin-dependent responses. Moreover, the calcineurin-dependent transcriptional induction of FKS2 in response to Ca2+, alpha-factor, and Na+ was found to require CRZ1. In addition, we found that the calcineurin-dependent transcriptional regulation of PMR2 and PMC1 required CRZ1. However, transcription of PMR2 and PMC1 was activated by only a subset of the treatments that activated FKS2 transcription. Thus, in response to multiple signals, calcineurin acts through the Crz1p transcription factor to differentially regulate the expression of several target genes in yeast.

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  1. Ausubel, F.M., R. Brent, R.E. Kingston, D.D. Moore, J.G. Seidman, J.A. Smith, and K. Struhl, eds. 1987. Current pro- tocols in molecular biology, Vol. 1 and 2. John Wiley and Sons, New York, NY.

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Authors
Stathopoulos, A. M., & Cyert, M. S.
Affiliations
Stanford University (US)
Venue
Genes & Development
Published
1997-12-15
Volume
11
Issue
24
Pages
3432-3444
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2132723128
Cited by
442
References
60
Citations by year
2026: 7 · 2025: 11 · 2024: 7 · 2023: 9 · 2022: 15 · 2021: 13 · 2020: 16 · 2019: 13 · 2018: 12 · 2017: 17 · 2016: 21 · 2015: 12 · 2014: 22 · 2013: 17 · 2012: 18
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion, cc-by-nc)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • National Science Foundation (9357017)
  • Procter and Gamble
  • National Institutes of Health
  • National Institute of General Medical Sciences (5T32 GM07276-22, GM-48729, T32GM007276, R01GM048729)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Keywords
calcineurin, Crz1, TCN1, transcription factors, Ca2+/calmodulin signaling, FKS2, beta-1,3-glucan synthase, transcriptional activation, alpha-factor, sodium, Saccharomyces cerevisiae, zinc finger, gene expression regulation
MeSH terms
Amino Acid Sequence, DNA-Binding Proteins, Glucosyltransferases, Membrane Proteins, Molecular Sequence Data, Mutation, Phenotype, Plasmids, Saccharomyces cerevisiae, Transcription Factors, Transcription, Genetic, Trans-Activators, Gene Expression Regulation, Fungal, Genes, Reporter, Calcineurin, Saccharomyces cerevisiae Proteins

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