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Table 2.

Expression of dihydropyridine and ryanodine receptors and enzyme activities in red muscle of salmon

Velocity (BL s−1)Duration (weeks)DHPR (intensity)RyR (intensity)SDH (1/intensity) × 1000Phosphorylase (1/intensity) × 1000
63.6±4.7 36.5±3.0 8.7±0.16 9.5±0.23 
1.5 76.8±4.4 57.1±5.2 9.3±0.43* 8.4±0.20 
68.2±5.1 52.4±4.8 9.3±0.37* 9.3±0.58 
Control (0.5) 27.2±2.9 17.1±3.0 8.4±0.22 11.3±0.42 
57.4±4.7 52.7±6.9 7.5±0.15 9.8±0.15 
1.5 73.1±4.8 55.6±5.5 9.4±0.33 10.8±0.32* 
53.0±3.1 44.9±9.1* 8.7±0.18 11.4±0.47 
Control (0.5) 34.0±2.5 25.8±3.4 7.8±0.24 12.2±0.58 
52.1±3.2 27.6±2.7 7.2±0.15 12.8±0.39 
1.5 53.1±3.5 45.5±6.0 6.9±0.08 10.0±0.41 
52.5±4.0 37.9±4.9 7.6±0.16 12.3±0.60 
Control (0.5) 23.2±3.2 15.7±2.8 6.9±0.23 12.4±0.38 
Velocity (BL s−1)Duration (weeks)DHPR (intensity)RyR (intensity)SDH (1/intensity) × 1000Phosphorylase (1/intensity) × 1000
63.6±4.7 36.5±3.0 8.7±0.16 9.5±0.23 
1.5 76.8±4.4 57.1±5.2 9.3±0.43* 8.4±0.20 
68.2±5.1 52.4±4.8 9.3±0.37* 9.3±0.58 
Control (0.5) 27.2±2.9 17.1±3.0 8.4±0.22 11.3±0.42 
57.4±4.7 52.7±6.9 7.5±0.15 9.8±0.15 
1.5 73.1±4.8 55.6±5.5 9.4±0.33 10.8±0.32* 
53.0±3.1 44.9±9.1* 8.7±0.18 11.4±0.47 
Control (0.5) 34.0±2.5 25.8±3.4 7.8±0.24 12.2±0.58 
52.1±3.2 27.6±2.7 7.2±0.15 12.8±0.39 
1.5 53.1±3.5 45.5±6.0 6.9±0.08 10.0±0.41 
52.5±4.0 37.9±4.9 7.6±0.16 12.3±0.60 
Control (0.5) 23.2±3.2 15.7±2.8 6.9±0.23 12.4±0.38 

DHPR, dihydropyridine receptor; RyR, ryanodine receptor.

Values are means ± s.e.m. (N=18 in each group). Significant difference between control and trained group: *P<0.05, P<0.01 or P<0.001.

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