Abstract
The yeast PMR2/ENA1 gene encodes an ATPase involved in sodium extrusion and induced by NaCl. At low salt concentration (0.3 M) induction is mediated by the HOG‐MAP kinase pathway, a system activated by non‐specific osmotic stress. At high salt concentrations (0.8 M) induction is mediated by the protein phosphatase calcineurin and is specific for sodium. Protein kinase A and Sis2p/Hal3p modulate PMR2/ENA1 expression as negative and positive factors, respectively but Sis2p/Hal3p does not participate in the transduction of the salt signal. Salt stress decreases the level of cAMP and the resulting decrease in protein kinase A activity may contribute to HOG‐mediated induction.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 25, 2002, 1:55 p.m.) |
Deposited | 1 year, 11 months ago (Sept. 17, 2023, 3:58 a.m.) |
Indexed | 1 month ago (Aug. 1, 2025, 11:59 p.m.) |
Issued | 29 years, 5 months ago (March 11, 1996) |
Published | 29 years, 5 months ago (March 11, 1996) |
Published Online | 25 years, 9 months ago (Nov. 30, 1999) |
Published Print | 29 years, 5 months ago (March 11, 1996) |
@article{M_rquez_1996, title={Multiple transduction pathways regulate the sodium‐extrusion gene PMR2/ENA1 during salt stress in yeast}, volume={382}, ISSN={1873-3468}, url={http://dx.doi.org/10.1016/0014-5793(96)00157-3}, DOI={10.1016/0014-5793(96)00157-3}, number={1–2}, journal={FEBS Letters}, publisher={Wiley}, author={Märquez, JoséA and Serrano, Ramón}, year={1996}, month=mar, pages={89–92} }