Table 1.

Fold change in expression of P. pastoris MAT loci determined by qRT-PCR

Gene	Ratio GS190(a)/GS115(α)*	Ratio GS115(α)/GS190(a)*	Ratio GS190(a)/SHY15(a/α)*	Ratio GS115(α)/SHY15(a/α)*
a1	0.75 (0.57–0.97)	—	3.36 (2.57–4.41)	4.50 (3.86–5.24)
a2	4.38 (3.41–5.62)	—	2.83 (2.20–3.63)	0.65 (0.47–0.89)
α1	—	1.82 (1.19–2.77)	0.66 (0.43–1.00)	1.20 (1.03–1.39)
α2	—	15.03 (13.18–17.15)	0.11 (0.06–0.20)	1.61 (1.41–1.84)

n = 2^-ΔΔCt.

^*Values in parentheses show ± SD; see SI Appendix, Table S1 for details of calculations.