Table II.
Results of inhibition assays
| Species | Pharmaceutical | Frequency of Calcium Spiking Inhibitionab | Frequency of Root Hair Lethality |
|---|---|---|---|
| M. truncatula | TMB-8 (200 μm) | 0 /12 | – |
| Xestospongin C (1 μm) | 0 /6 | – | |
| 2-APB (50 μm) | 7 /7 | 30% (n = 128) | |
| Caffeine (50 mm) | 9 /9 | 19% (n = 206) | |
| Ryanodine (200 μm) | 0 /7 | – | |
| Verapamil (100 μm) | 0 /10 | – | |
| Gadolinium chloride (1 mm) | 0 /9 | – | |
| Lanthanum chloride (1 mm) | 0 /7 | – | |
| CPA (5 μm) | 17 /17 | 1% (n = 187) | |
| BHQ (10 μm) | 6 /6 | 0% (n = 145) | |
| Thapsigargin (1 μm) | 0 /8 | – | |
| U-73122 (20 μm) | 13 /14 | 2% (n = 210) | |
| U-73433 (10 μm) | 1 /11 | – | |
| Alfalfa | Caffeine (10 mm) | 6 /6 | – |
| Nifedipine (10 μm) | 0 /6 | – | |
| U-73122 (10 μm) | 21 /21 | – | |
| U-73433 (10 μm) | 0 /13 | – |
a
Frequency of inhibition is presented as the ratio (no. of cells inhibited/no. of cells tested).
b
Data for each inhibitor are derived from at least three individual plants.