TABLE 1.

Regulation of HXT1 to HXT4 gene expression by different levels of glucose^a

Relevant genotype	Mean β-galactosidase activity (Miller units)
	2% galactose	2% galactose + 0.1% glucose	4% glucose
HXT1::lacZ	0.6	1.6	254
HXT2::lacZ	21	145	32
HXT3::lacZ	18	116	210
HXT4::lacZ	19	163	8

^aData are from reference 109.