Transcription factor%2C allelic differences between S288C and Sigma1278b%3B mediates fermentation stress tolerance by modulating cell wall integrity%3B overexpression suppresses heat shock sensitivity of wild-type RAS2 overexpression and also suppresses cell lysis defect of mpk1 mutation%3B allele from S288c can confer fMAPK pathway independent transcription of FLO11%3B S288C and Sigma1278b alleles differ in number of tandem repeats within ORF