TABLE 1.

Strains used in this study

Strain	Genotype
PSY1209	MATaade2 his3 leu2 ura3 trp1 mex67::HIS3 [pRS316-URA3-MEX67]
PSY1799	MATaade2 his3 leu2 ura3 trp1 mex67::HIS3 [pHT4667-URA3-mex67-5]
YJW614	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 [psi−]
YJW615	MATα leu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 tpa1::LEU2 [psi−]
YJW618	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 [PSI+]
YJW619	MATα leu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 tpa1::LEU2 [PSI+]
YDB415	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 upf1::TRP1 [psi−]
YDB499	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 ski7::TRP1 [psi−]
YDB635	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 pan2::TRP1 [psi−]
YDB636	MATα leu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 pan2::TRP1 tpa1::LEU2 [psi−]
YDB637	MATα leu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 tpa1::LEU2 pop2::TRP1 [psi−]
YDB644	MATaade2 his3 leu2 ura3 trp1 tpa1::LEU2 mex67::HIS3 [pRS316-URA3-MEX67]
YDB646	MATaleu2-3,112 his3-11,15 trp1-1 ura3-1 ade1-14 pop2::TRP1 [psi−]