TABLE 1.

Yeast strains used in this study

Yeast strain	Relevant genotype	Source
K603	cnb1Δ	Cunningham and Fink (51)
JGY41	cmd1–3	Geiser et al. (38)
YB336	nmt1–181	Johnson et al. (20)
YB332	NMT1	Johnson et al. (20)
TK101	cnb1Δ, nmt1–181	This study