TABLE 1.

Yeast strains used in this study

Genotype	Strain
MATα his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-11718
MATα btn1Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-13048
MATα btn2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14847
MATα rhb1Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14248
MATα ist2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14884
MATα btn2Δ::loxP rhb1Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14399
MATα btn1Δ::loxP rhb1Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14252
MATα btn2Δ::loxP ist2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-15013
MATα btn1Δ::loxP ist2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-14830
MATα btn1Δ::loxP btn2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0	B-13049
MATα leu2-3,112 ura3-52 his3-200 ade2-101 lys2-801 trp1-901 cdc25-2	CDC25H
MATaleu2Δ1 ura3-52 his3-200 ade2-101 lys2-801 trp1Δ63	YPH499
MATα ist2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0 + pDAP124	B-14915
MATα btn2Δ::loxP ist2Δ::KanMX his3Δ1 leu2Δ0 lys2Δ0 ura3Δ0 + pDAP0124	B-14983