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Glc-6-phosphatase activities
Glc-6-phosphatase activities were measured in maize Dea and W22 root tips at pH 5.5 (vacuolar pH) and pH 7.5 (cytosolic pH) as described in “Materials and Methods.” The values represent the mean (±sd) of two (activity measured at pH 5.5) and four (activity measured at pH 7.5) separate experiments.
| pH 5.5 | pH 7.5 | |
|---|---|---|
| Glc-6-phosphatase activity (μmol min−1 g−1 FW) | ||
| Dea | 1.5 ± 0.3 | 0.55 ± 0.1 |
| W22 | 1.5 ± 0.2 | 0.84 ± 0.1 |
