comet assay
genotoxic effect
metal pollution

How to Cite

Ergenler, A., & Turan, F. (2023). METAL CAUSING DNA DAMAGE IN LION FISH PTEROIS MILES FROM THE NORTHEASTERN MEDITERRANEAN. Pakistan Journal of Marine Sciences, 32(1), 89–99. Retrieved from


The influence of trace metal contamination on marine ecosystems and marine waters is a complex construct. Metal concentrations can cause carcinogenic and toxicogenic harm in marine environments. With a variety of sizes, ages, and trophic levels, fish are excellent markers of pollution from heavy metals for the identification of genotoxic factors in freshwater as well as marine systems. The current study used the damage frequency (%), arbitrary unit (%), and genetic damage index (%) in the gill and liver cells of P. miles to assess DNA damage brought along by toxic metals. Under the constant levels criteria used in this investigation, the levels of Cr, Hg, Fe, and Zn in the surrounding water are only slightly above the tolerance level. According to our findings, the frequency of damage in the lionfish's gill and liver cells was 53.66 to 73.512% and 39.33 to 45.033%, accordingly. The gill tissue had a higher frequency of injury than the liver tissue. Furthermore, Pb, Hg, Cr, Co, Fe, Ni, and Cu contents in seawater were shown to have a positive correlation with DNA damage levels in P. miles. As a result, our study revealed the first time genotoxic damage resulting from metal contamination in P. miles.



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