FIG. 6.
Plasmid rescue of group I or group II mutants. WT cells and the indicated mutant cells were transformed with the FUS1-lacZ reporter plasmid and either an empty vector (pYES) or the same vector containing the absent gene, as indicated. (A) Wild-type strain and the group I mutant asc1Δ. (B) Wild-type strain and the group II mutant cla4Δ. Data for the remaining mutants are summarized in Table 2.