Cited by 165Fungal and yeast genetics researchEndoplasmic Reticulum Stress and DiseaseIon Channels and Receptors

Mitogen-activated Protein Kinase Stimulation of Ca2+Signaling Is Required for Survival of Endoplasmic Reticulum Stress in Yeast

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Bonilla, Myriam, Cunningham, Kyle W.·2003·Molecular Biology of the Cell

Abstract

Endoplasmic reticulum (ER) stress in the budding yeast Saccharomyces cerevisiae triggers Ca 2+influx through a plasma membrane channel composed of Cch1 and Mid1. This response activates calcineurin, which helps to prevent cell death during multiple forms of ER stress, including the response to azole-class antifungal drugs. Herein, we show that ER stress activates the cell integrity mitogen-activate protein kinase cascade in yeast and that the activation of Pkc1 and Mpk1 is necessary for stimulation of the Cch1-Mid1 Ca 2+channel independent of many known targets of Mpk1 (Rlm1, Swi4, Swi6, Mih1, Hsl1, and Swe1). ER stress generated in response to miconazole, tunicamycin, or other inhibitors also triggered a transient G2/M arrest that depended upon the Swe1 protein kinase. Calcineurin played little role in the Swe1-dependent cell cycle arrest and Swe1 had little effect on calcineurin-dependent avoidance of cell death. These findings help to clarify the interactions between Mpk1, calcineurin, and Swe1 and suggest that the calcium cell survival pathway promotes drug resistance independent of both the unfolded protein response and the G2/M cell cycle checkpoint.

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  1. Cunningham, K.W., and Fink, G.R. (1996). Calcineurin inhibits VCX1-dependent H+/Ca2+ exchange and induces Ca2+ ATPases in yeast. Mol. Cell. Biol. 16, 2226–2237. [DOI] [PMC free article] [PubMed] [Google Scholar]

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Authors
Bonilla, M., & Cunningham, K. W.
Affiliations
Johns Hopkins University (US)
Venue
Molecular Biology of the Cell
Published
2003-10
Volume
14
Issue
10
Pages
4296-4305
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2148652865
Cited by
165
References
68
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 6 · 2020: 8 · 2019: 5 · 2018: 4 · 2017: 8 · 2016: 8 · 2015: 8 · 2014: 12 · 2013: 9 · 2012: 9
FWCI
2.41
Type
journal article
Language
en
Open access
Locations
  • Molecular Biology of the Cell (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (R01GM053082)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
Keywords
endoplasmic reticulum stress, mitogen-activated protein kinase, Saccharomyces cerevisiae, calcineurin, Swe1, PKC1, Mpk1, G2/M cell cycle arrest, miconazole, tunicamycin, unfolded protein response, calcium signaling
MeSH terms
Antifungal Agents, Calcium, Cell Membrane, DNA-Binding Proteins, Endoplasmic Reticulum, Fungal Proteins, Membrane Glycoproteins, Mitosis, Protein Kinase C, Protein Kinases, Protein-Tyrosine Kinases, Saccharomyces cerevisiae, Transcription Factors, Calcium Channels, Signal Transduction, G2 Phase, Cell Death, Protein Tyrosine Phosphatases, Protein Serine-Threonine Kinases, Protein Folding, Cell Cycle Proteins, Calcineurin, ras-GRF1, Mitogen-Activated Protein Kinases, MADS Domain Proteins, Saccharomyces cerevisiae Proteins

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