Properties of skeletal muscle mitochondria from control and overwintering frogs
| Mitochondrial properties . | Change during overwintering submergence (%) . |
|---|---|
| CS activity1 | -52 |
| State 3 rate2 | -58 |
| State 4 rate2 | -52 |
| Proton leak rate3 | -51 |
| State 3 P50value2 | -55 |
| State 4 P50value2 | 0 |
| Mitochondrial properties . | Change during overwintering submergence (%) . |
|---|---|
| CS activity1 | -52 |
| State 3 rate2 | -58 |
| State 4 rate2 | -52 |
| Proton leak rate3 | -51 |
| State 3 P50value2 | -55 |
| State 4 P50value2 | 0 |
The change during overwintering submergence represents the difference between values for control and 4-month-hypoxic submerged frogs as a percentage of the control value.
Citrate synthase (CS) P50 values express the Km values for oxygen for the isolated mitochondria.
St-Pierre and Boutilier(2001); 2St-Pierre et al. (2000b), data taken from experiments performed at 3 °C; 3St-Pierre et al.(2000a).