Antioxidant defenses and animal adaptation to oxygen availability during environmental stress
نویسندگان
چکیده
1. Free radicals, antioxidant enzymes and oxidative stress 2. Natural anoxia tolerance and adaptations to oxidative stress 2.1. Antioxidants and garter snakes under anoxia exposure 2.2. Antioxidants and leopard frogs under anoxia and reoxygenation 2.3. Antioxidants and goldfish under anoxia and reoxygenation 2.4. Antioxidants and turtles under anoxia and reoxygenation 2.5. Lipid peroxidation, xanthine oxidase, and post-anoxic reoxygenation in vertebrates 2.6. Oxidative stress and anoxia tolerance in a marine gastropod 3. Oxidative stress and natural freeze tolerance in vertebrates 3.1. Antioxidants and freeze tolerance in garter snakes 3.2. Oxidative stress and freeze tolerance in wood frogs 4. Oxidative stress and dehydration tolerance in leopard frogs 5. Estivation and oxidative stress in land snails and toads 5.1. Estivation in land snails and oxidative stress 5.2. Oxidative stress and estivation in a desert toad 6. Conclusions, speculations and perspectives 7. Acknowledgements 8. References
منابع مشابه
Oxidative stress: animal adaptations in nature.
As a consequence of aerobic life, an organism must deal with the continuous generation of reactive oxygen species (O2-, H202, .OH) as byproducts of metabolism and defend itself against the harm that these can do to cellular macromolecules. Organisms protect themselves from such damage with both enzymatic and nonenzymatic antioxidant defenses. However, the reperfusion injuries noted after ischem...
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As a consequence of aerobic life, organisms must deal with the continuous generation of reactive oxygen species (O2-, H2O2, .OH) as byproducts of metabolism and defend against the harm that these can do to cellular macromolecules. Organisms protect themselves from such damage with both enzymatic and nonenzymatic antioxidant defenses. However, the reperfusion injuries noted after ischemic insult...
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