Table 4 Effects of photoperiod-temperature on mitochondrial protein and enzyme activity in the liver and BAT
Parameter | SD-cold (n= 10) | SD-warm (n= 10) | LD-cold (n= 10) | LD-warm (n= 10) |
|---|---|---|---|---|
Liver | ||||
Mitochondrial protein (mg/g) | 25.81 ± 2.31 a | 18.16 ± 2.06 b | 24.53 ± 2.36 a | 17.88 ± 2.59 b |
COX (nmol O2/min·mg) | 62.05 ± 5.62 a | 49.28 ± 5.14 b | 59.34 ± 6.02 a | 47.16 ± 2.68 b |
α-GPO (nmol O2/min·mg) | 65.59 ± 4.56 a | 38.96 ± 3.65 b | 59.49 ± 4.21 a | 36.91 ± 3.02 b |
BAT | ||||
Mitochondrial protein (mg/g) | 23.55 ± 2.35 a | 15.36 ± 1.95 b | 20.23 ± 2.14 a | 15.67 ± 2.08 b |
COX (nmol O2/min·mg) | 135.26 ± 9.25 a | 87.23 ± 6.32 b | 130.26 ± 6.95 a | 86.53 ± 2.65 b |
α-GPO (nmol O2/min·mg) | 426 ± 15.21 a | 156.25 ± 10.12 b | 401.59 ± 16.02 a | 151.29 ± 11.69 b |
UCP1 (relative units) | 1.55 ± 0.12 a | 1.00 ± 0.09 b | 1.48 ± 0.13 a | 0.91 ± 0.08 b |