TABLE 4.

Expression of HXT1 and HXT2 in grr1, rgt1, snf3, rgt2, RGT2-1 and snf3 rgt2 mutants^a

Relevant genotype	Mean β-galactosidase activity (Miller units)
	HXT1			HXT2
	Gal	Gal + Glu	Glu	Gal	Gal + Glu	Glu
Wild type	0.6	1.6	254	21	195	32
grr1	0.2	0.2	0.3	20	18	18
rgt1	14	14	42	191	334	20
snf3	0.7	1.2	227	16	23	7
rgt2	0.8	4.2	62	19	397	34
RGT2-1	30	223	393	213	415	48
snf3 rgt2	0.6	ND	0.9	6	14	ND

^aData are from references 109 and 114. Gal, galactose; Glu, glucose; ND, not determined.