TABLE 1

Strains

StrainGenotype
KN207MATa sir1-1 ade6 arg4 leu2 trp1
KN877HMLa MATa HMRa sir2-275 leu2-1 can1-100 trp1-1 his3 his4 ade2-1 Met
RS9HMLa MATa HMRa sir3∷LEU2 leu2-1 can1-100 trp1-1 his3 his4 ade2-1 Met
KN9bHMLa MATa HMRa sir4 ade2 his4 leu2 tyr can1 trp1 ura3
W303-1aMATa ade2-1 his3-11,15 leu2-3,112 can1-100 ura3-1 trp1-1
W303-1bMATα ade2-1 his3-11,15 leu2-3,112 can1-100 ura3-1 trp1-1
DC16MATa his1
DC17MATα his1
RS869W303-1a sir2∷URA3
RS1717W303-1b sir2Δ∷his5+
RS1W303-1b HMR/TRP1
TS1W303-1b HMR/TRP1 sir2-276
AMR1W303-1a nat1-5∷LEU2
RS2291W303-1b sir2-276 (segregant of TS1 × AMR1)
RS2292W303-1a sir2-276 (segregant of TS1 × AMR1)
CCF100W303-1a HMRΔE∷TRP1 rDNA∷ADE2-CAN1 TELVR∷URA3
RS2350MATα HMRΔE∷TRP1 rDNA∷ADE2-CAN1 TELVR∷URA3 sir2-276 (segregant of CCF100 × RS2291)
RS2351MATα HMRΔE∷TRP1 rDNA∷ADE2-CAN1 TELVR∷URA3 sir2-276 (segregant of CCF100 × RS2291)
DS2804W303-1a NTS1∷mURA3-LEU2
DS2805W303-1b NTS1∷mURA3-LEU2
RS2364DS2804 sir2Δ∷kanMX6
RS2365DS2805 sir2Δ∷kanMX6