Table 2.
β-galactosidase activity of HXT 2, 3 and 4 promoter fusions to LacZ
Relevant Genotype |
LacZ Fusion Reporter Assay* |
||
---|---|---|---|
|
β-Galactosidase Activity (nmole/min/mg protein) |
||
HXT2 | HXT3 | HXT4 | |
Wild Type |
323.8±7.4a |
41.5±3.7b |
31.4±1.5c |
snf3/snf3 |
2.8±0.07e |
1.3±0.07e |
1.0±0.37e |
snf3/snf3 rgt1/RGT1 mth1/MTH1 | 26.6±1.8d | 2.8±0.2e | 1.6±0.04e |
*Strains were grown to mid log phase in SC-URA + 2% galactose and then transferred to SC-URA with 0.05% glucose plus Antimycin A and harvested and assayed 3 hours after the shift. Values represent the average +/− standard deviation of at least three separate transformants cultured separately with the same reporter construct. Different letters denote significant differences at p <0.05.