SGD Paper 
Mollapour M and Piper PW (2006) Hog1p mitogen-activated protein kinase determines acetic acid resistance in Saccharomyces cerevisiae. FEMS Yeast Res 6(8):1274-80
Abstract: When glucose-repressed, Saccharomyces cerevisiae cannot use acetic acid as a carbon source and is inhibited in growth by high levels of this compound, especially at low pH. Cultures exposed to a 100 mM acetate stress activate both the Hog1p and Slt2p stress-activated MAP kinases. Nevertheless, only active Hog1p, not Slt2p, is needed for the acquisition of acetate resistance. Hog1p undergoes more rapid activation by acetate in pH 4.5, than in pH 6.8 cultures, an indication that the acid may have to enter the cells in order to generate the Hog1p activatory signal. Acetate activation of Hog1p is absent in the ssk1Delta and pbs2Delta mutants, but is present in sho1Delta and ste11Delta, showing that it involves the Sln1p branch of the high-osmolarity glycerol (HOG) pathway signaling to Pbs2p. In low-pH (pH 4.5) cultures, the acetate-activated Hog1p, although conferring acetate resistance, does not generate the GPD1 gene or intracellular glycerol inductions that are hallmarks of activation of the HOG pathway by hyperosmotic stress.
| Status: Published | Type: Journal Article | PubMed ID: 17156024 |
Topics addressed in this paper
Number of different genes curated to this paper: 8
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