Table 2.

Dosage suppression described in this study

Mutant	Multicopy plasmid	Degree of suppressiona
		HU	MMS	TBZ
swi1Δ	Vector	−	−	−
swi1Δ	pSwi1	++	++	++
swi1Δ	pChl1	+	++	+
swi1Δ	pCtf18	+	+	+
ctf18Δ	Vector	−	−	−
ctf18Δ	pSwi1	−	−	−
ctf18Δ	pChl1	−	−	++
ctf18Δ	pCtf18	++	++	++

^a ++, strong suppression; +, partial suppression; and −, no suppression.