Cited by 200Fungal and yeast genetics researchAntifungal resistance and susceptibilityPolysaccharides and Plant Cell Walls

Loss of the Plasma Membrane-Bound Protein Gas1p in Saccharomyces cerevisiae Results in the Release of β1,3-Glucan into the Medium and Induces a Compensation Mechanism To Ensure Cell Wall Integrity

Open access
Ram, Arthur F. J., Kapteyn, Johan C., Montijn, Roy C., Caro, L. Heleen P., Douwes, Jeroen E., Baginsky, Walter, Mazur, Paul, van den Ende, Herman +1 more·1998·Journal of Bacteriology

Abstract

Deletion of GAS1/GGP1/CWH52 results in a lower β-glucan content of the cell wall and swollen, more spherical cells (L. Popolo, M. Vai, E. Gatti, S. Porello, P. Bonfante, R. Balestrini, and L. Alberghina, J. Bacteriol. 175:1879–1885, 1993; A. F. J. Ram, S. S. C. Brekelmans, L. J. W. M. Oehlen, and F. M. Klis, FEBS Lett. 358:165–170, 1995). We show here that gas1 Δ cells release β1,3-glucan into the medium. Western analysis of the medium proteins with β1,3-glucan- and β1,6-glucan-specific antibodies showed further that at least some of the released β1,3-glucan was linked to protein as part of a β1,3-glucan–β1,6-glucan–protein complex. These data indicate that Gas1p might play a role in the retention of β1,3-glucan and/or β-glucosylated proteins. Interestingly, the defective incorporation of β1,3-glucan in the cell wall was accompanied by an increase in chitin and mannan content in the cell wall, an enhanced expression of cell wall protein 1 (Cwp1p), and an increase in β1,3-glucan synthase activity, probably caused by the induced expression of Fks2p. It is proposed that the cell wall weakening caused by the loss of Gas1p induces a set of compensatory reactions to ensure cell integrity.

Integrity signals

Registry

Crossref · 10.1128/jb.180.6.1418-1424.1998

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Authors
Ram, A. F. J., Kapteyn, J. C., Montijn, R. C., Caro, L. H. P., Douwes, J. E., Baginsky, W., Mazur, P., van den Ende, H., & Klis, F. M.
Affiliations
  • University of Amsterdam (NL)
  • <!--label omitted: 1-->Institute of Molecular Cell Biology, BioCentrum Amsterdam, University of Amsterdam, 1098 SM Amsterdam,1 and
  • Wageningen University & Research (NL)
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
Venue
Journal of Bacteriology
Published
1998-03-15
Volume
180
Issue
6
Pages
1418-1424
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W2152455126
Cited by
200
References
62
Citations by year
2026: 1 · 2025: 4 · 2024: 2 · 2023: 3 · 2022: 5 · 2021: 7 · 2020: 6 · 2019: 10 · 2018: 4 · 2017: 5 · 2016: 5 · 2015: 4 · 2014: 6 · 2013: 6 · 2012: 7
FWCI
4.78
Type
journal article
Language
en
Open access
Locations
  • Journal of Bacteriology (publishedVersion)
  • PubMed Central (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (publishedVersion)
  • Socio-Environmental Systems Modeling (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Polysaccharides and Plant Cell Walls
Keywords
plasma membrane proteins, cell wall integrity, chitin, mannan, Saccharomyces cerevisiae
MeSH terms
Carbohydrates, Cell Wall, Chitin, Cloning, Molecular, DNA, Fungal, Fungal Proteins, Glucans, Glucosyltransferases, Glycoproteins, Mannans, Membrane Glycoproteins, Membrane Proteins, Plasmids, Recombination, Genetic, RNA, Fungal, Saccharomyces cerevisiae, Blotting, Western, Gene Expression, Polymerase Chain Reaction, Culture Media, Conditioned, Sequence Deletion, Saccharomyces cerevisiae Proteins, beta-Glucans, Carbohydrate Metabolism

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