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Environmental Toxicity and Oxidative Stress on Gonads of Fishes

Sanjoli Mahajan and Jasjit Kaur Randhawa

11 Jan 2023

DOI: 10.5281/zenodo.7524329


The knowledge of oxidative stress in fish and other animals has a great importance in the environmental and aquatic toxicological studies. Oxidative stress is evoked by many chemicals, including some pesticides, metals and other organic pollutants. Antioxidant defense systems in fish and other animals can be used to assess a specific area of toxicity. The present understanding of the role played by numerous chemical and environmental toxins in the onset of oxidative stress in the gonads of fishes is summarized in this article. These toxins play a significant role in the development of reactive oxygen species by inducing oxidative stress in both aquatic and terrestrial organisms. Reactive oxygen species are produced in excess, which causes oxidative damage such as lipid peroxidation, protein and DNA oxidation, and enzyme inactivation. This review paper reveals how different natural and artificial toxins affect the reproductive capability and capacity of fishes, by showing how these toxins initiate oxidative stress and how in turn affect the structure, anatomy, physiology and functioning of gonads as well as reproductive cells. Antioxidant defense mechanisms are employed as biochemical indicators of oxidative stress. The study of these biomarkers and their effects can be used for biomonitoring the level of environmental toxicity in different organisms.


Department of Zoology, Khalsa College Amritsar, Punjab, India 143001
Correspondence and requests for materials should be addressed to JKR



Mahajan S and Randhawa JK (2023) Environmental Toxicity and Oxidative Stress on Gonads of Fishes. Environ Sci Arch 2(STI-2):3-17.


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