Genes controlling the metabolic switch in hibernating mammals

Abstract excerpt

Hibernating mammals have the ability to decrease their metabolic rate and survive up to 6 months without food in an inactive state where body temperatures approach 0 degrees C. In hibernating 13-lined ground squirrels (Spermophilus tridecemlineatus), oxygen consumption holds at 1/30 to 1/50 of the aroused condition and heart rates are as low as 3-10 beats/min, compared with 200-300 beats/min when the animal is...

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