Anoxia tolerance and freeze tolerance in hatchling turtles

  title={Anoxia tolerance and freeze tolerance in hatchling turtles},
  author={Stephen A Dinkelacker and Jon P Costanzo and Richard E. Lee},
  journal={Journal of Comparative Physiology B},
Freezing survival in hatchling turtles may be limited by ischemic anoxia in frozen tissues and the associated accumulation of lactate and reactive oxygen species (ROS). To determine whether mechanisms for coping with anoxia are also important in freeze tolerance, we examined the association between capacities for freezing survival and anoxia tolerance in hatchlings of seven species of turtles. Tolerance to freezing (−2.5°C) was high in Emydoidea blandingii, Chrysemys picta, Terrapene ornata… CONTINUE READING
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