Combined effects of low pH and high water temperature conditions on oxidative stress and cell damage in juvenile olive flounder Paralichthys Olivaceus

The use of fossil fuels by anthropogenic activities causes ocean acidification and warming, and the combined conditions of these two environments can negatively affect fish metabolism, growth, and survival. Additionally, it can affect the antioxidant enzyme activity and cell damage caused by lipid peroxidation. In this study, we explores the adaptive potential for future marine conditions by investigating the stress and antioxidant enzyme activity, and apoptosis of juvenile olive flounder in an environment where ocean acidification and warming coexist. We found that juvenile olive flounder had increased oxidative stress and apoptosis under both warming and combined warming, and acidification conditions. Additionally, the effect on acidification under warming conditions does not seem to exceed the effect of high temperature conditions, and it is considered that the effect of acidification at low water temperatures is greater.

Lee D.-W., Song J. A., Park H. S. & Choi C. Y., 2021. Combined effects of low pH and high water temperature conditions on oxidative stress and cell damage in juvenile olive flounder Paralichthys Olivaceus. Research Square. Article.


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