Table 1. The yeast strains used in this study.

Strains	Genotype	Source
Y433	MATα ade2-101, lys 2-801, ura 3-52, 112, his3Δ200	R.Schiestl
YO433	Y433 ogg1-Δ::hisG:URA3:hisG	R.Schiestl
YON1433	YO433 ntg1-Δ::URA3	This study
FY250	MATα ura3-52, his3Δ200,leu2Δ1 trp1Δ63	G.Verdine