Table 3.
pH Dependence of Adenine (100 μM) and Cytosine (25 μM) Uptake Rate in MG887-1pAtPUP1
pH | Adenine Uptake Rate (nmol mg DW−1 min−1)a |
Cytosine Uptake Rate (nmol mg DW−1 min−1) |
---|---|---|
4 | 1.14 | 0.35 |
5 | 0.76 | 0.34 |
6 | 0.48 | 0.14 |
7 | 0.24 | 0.07 |
8 | 0 | 0 |
DW, dry weight.