Sex biased effect of acute heat shock on the antioxidant system of non-native round goby Neogobius melanostomus.
Authors: Błońska, D., Janic, B., Tarkan, A.S. and Bukowska, B.
Journal: PLoS One
Volume: 16
Issue: 12
Pages: e0260641
eISSN: 1932-6203
DOI: 10.1371/journal.pone.0260641
Abstract:Monitoring oxidative stress biomarkers has become a powerful and common tool to estimate organismal condition and response to endogenous and environmental factors. In the present study, we used round goby (Neogobius melanostomus) from non-native European populations, as a model species to test sex differences in oxidative stress biomarkers. Considering sex differences in reproductive investment, we hypothesized that males would display lower resistance to abiotic stress. Fish were exposed to a heat shock (temperature elevated by 10°C) for 1h, 6h, and 12h and catalase activity (CAT), reduced glutathione (GSH), total antioxidant capacity (TAC) and lipid peroxidation (LPO) were measured in liver and muscle tissues. Liver of males was significantly more responsive compared to liver of females in all tested parameters. GSH was found to be the most responsive to heat stress exposure in both sexes. The results supported our hypothesis that male reproductive investment (territoriality, courtship, and brood care) and likelihood of only a single spawning period in their lifetime influenced on higher sensitivity of their antioxidant defence. On the other hand, for females antioxidant defence is considered more important to survive the environmental changes and successfully reproduce in the next season. Our experiments exposed fish to acute thermal stress. Further research should determine the effects of exposure to chronic thermal stress to corroborate our understanding on sex differences in antioxidant defence in the round goby.
Source: PubMed
Sex biased effect of acute heat shock on the antioxidant system of non-native round goby <i>Neogobius melanostomus</i>
Authors: Blonska, D., Janic, B., Tarkan, A.S. and Bukowska, B.
Journal: PLOS ONE
Volume: 16
Issue: 12
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0260641
Source: Web of Science (Lite)
Sex biased effect of acute heat shock on the antioxidant system of non-native round goby Neogobius melanostomus
Authors: Błońska, D., Janic, B., Tarkan, A.S. and Bukowska, B.
Journal: Plos one
Volume: 16
Issue: 12
Pages: e0260641
Publisher: Public Library of Science San Francisco, CA USA
ISSN: 1932-6203
Source: Manual
Sex biased effect of acute heat shock on the antioxidant system of non-native round goby Neogobius melanostomus.
Authors: Błońska, D., Janic, B., Tarkan, A.S. and Bukowska, B.
Journal: PloS one
Volume: 16
Issue: 12
Pages: e0260641
eISSN: 1932-6203
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0260641
Abstract:Monitoring oxidative stress biomarkers has become a powerful and common tool to estimate organismal condition and response to endogenous and environmental factors. In the present study, we used round goby (Neogobius melanostomus) from non-native European populations, as a model species to test sex differences in oxidative stress biomarkers. Considering sex differences in reproductive investment, we hypothesized that males would display lower resistance to abiotic stress. Fish were exposed to a heat shock (temperature elevated by 10°C) for 1h, 6h, and 12h and catalase activity (CAT), reduced glutathione (GSH), total antioxidant capacity (TAC) and lipid peroxidation (LPO) were measured in liver and muscle tissues. Liver of males was significantly more responsive compared to liver of females in all tested parameters. GSH was found to be the most responsive to heat stress exposure in both sexes. The results supported our hypothesis that male reproductive investment (territoriality, courtship, and brood care) and likelihood of only a single spawning period in their lifetime influenced on higher sensitivity of their antioxidant defence. On the other hand, for females antioxidant defence is considered more important to survive the environmental changes and successfully reproduce in the next season. Our experiments exposed fish to acute thermal stress. Further research should determine the effects of exposure to chronic thermal stress to corroborate our understanding on sex differences in antioxidant defence in the round goby.
Source: Europe PubMed Central