Research Article

The role of nitrosative and oxidative stress in rainbow trout (Oncorhynchus mykiss) liver tissue applied mercury chloride (HgCl2)

Volume: 38 Number: 3 September 15, 2021
EN

The role of nitrosative and oxidative stress in rainbow trout (Oncorhynchus mykiss) liver tissue applied mercury chloride (HgCl2)

Abstract



The aim of this study was to determine oxidative stress caused by mercury chloride (HgCl2) in rainbow trout (Oncorhynchus mykiss) liver tissue. For this purpose, the LD50 value of HgCl2 on rainbow trout was determined as 551 μg/L. In the study, 40 fish in four groups were exposed to 25% and 50% (138 and 276 µg/L) of the two subletal doses of HgCl2 for 2 and 7 days, with 10 fish (n=10) in each group. To determine oxidative stress; peroxynitrite (ONOO−), total oxidant level (TOS), total antioxidant level (TAS), oxidative stress index (OSI) and malondialdehyde (MDA) were analyzed. In the study, it was observed that the differences between the groups in terms of ONOO−, TOS, TAS and OSI levels in the liver tissues was significant (P<0.05), however, this difference was not significant (P>0.05) in terms of MDA values. As a result, it can be concluded that HgCl2 increases ONOO−, TOS, TAS, OSI and MDA levels in liver tissue and even small doses of mercury are toxic to fish. 


Keywords

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Publication Date

September 15, 2021

Submission Date

December 23, 2020

Acceptance Date

April 1, 2021

Published in Issue

Year 1970 Volume: 38 Number: 3

APA
Taysı, M. R., Kırıcı, M., Kırıcı, M., Ulusal, H., Sögüt, B., & Taysı, S. (2021). The role of nitrosative and oxidative stress in rainbow trout (Oncorhynchus mykiss) liver tissue applied mercury chloride (HgCl2). Ege Journal of Fisheries and Aquatic Sciences, 38(3), 269-273. https://doi.org/10.12714/egejfas.38.3.02

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