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Table 4 Effects of photoperiod-temperature on mitochondrial protein and enzyme activity in the liver and BAT

From: Effects of photoperiod and temperature on the body mass, thermogenesis, and serum leptin levels of Apodemus draco (Rodentia: Muridae) in the Hengduan Mountain region, China

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
  1. Different lowercase letters in a given row indicate a significant difference (p < 0.05). UCP1, uncoupling protein 1; SD, short photoperiod; LD, long photoperiod.