The joint action of yeast eisosomes and membraneless organelles in response to ethanol stress
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Elevated ethanol concentrations in yeast affect the plasma membrane. The plasma membrane in yeast has many lipid-protein complexes, such as Pma1 (MCP), Can1 (MCC), and the eisosome complex. We investigated the response of eisosomes, MCPs, and membraneless structures to ethanol stress. We found a correlation between ethanol stress and proton flux with quick acidification of the medium. Moreover, ethanol stress influences the symporter expression in stressed cells. We also suggest that acute stress from ethanol leads to increases in eisosome size and SG number: we hypothesized that eisosomes may protect APC symporters and accumulate an mRNA decay protein in ethanol-stressed cells. Our findings suggest that the joint action of these factors may provide a protective effect on cells under ethanol stress.
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Cell stressor, Eisosomes, Ethanol tolerance, Membrane compartments, P-bodies, Proton flux, Saccharomyces cerevisiae, Stress granules
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Inglês
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Heliyon, v. 10, n. 10, 2024.
