Fig. 3From: Haploid yeast cells undergo a reversible phenotypic switch associated with chromosome II copy number SFP1 overexpression is slightly more toxic for an Isp+ isolate (p1) than for a Isp− one (m1). Shown are five-fold serial dilution starting with equal number of cells after 3 (indicated) or 6 days of incubation. Vector, pRS426. ↑↑ SFP1, pRS426-SFP1Back to article page