Acquisition of thermotolerance in Saccharomyces cerevisiae without heat shock protein hsp 104 and in the absence of protein synthesis.

Abstract excerpt

Acquisition of thermotolerance in response to a preconditioning heat treatment at 40 degrees C was studied in mutants of the yeast Saccharomyces cerevisiae lacking a specific heat shock protein or the ability to synthesize proteins at 40 degrees C. A mutant carrying a deletion of heat shock protein hsp 104 and the corresponding wildtype strain were both highly sensitive to heat stress at 50.4 degrees C without...

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