Surviving in a changing ocean. Tolerance to acidification might affect the susceptibility of polychaetes to chemical contamination

被引：4

作者：

Munari, Marco ^{[1
]}

Chiarore, Antonia ^{[1
,4
]}

Signorini, Silvia Giorgia ^{[2
]}

Cannavacciuolo, Antonio ^{[1
]}

Nannini, Matteo ^{[1
]}

Magni, Stefano ^{[2
]}

Binelli, Andrea ^{[2
]}

Gambi, Maria Cristina ^{[3
]}

Della Torre, Camilla ^{[2
]}

机构：

[1] Ischia Marine Ctr, Stn Zool Anton Dohrn, Dept Integrat Marine Ecol, Ischia, Italy

[2] Univ Milan, Dept Biosci, Milan, Italy

[3] Natl Inst Oceanog & Appl Geophys, OGS, Trieste, Italy

[4] Univ Naples Federico II, Dept Biol, Naples, Italy

来源：

MARINE POLLUTION BULLETIN | 2022年 / 181卷

关键词：

Ocean acidification; Syllis prolifera; Oxidative stress; Acetone; Copper; CO2; vents; OXIDATIVE STRESS; SEAWATER ACIDIFICATION; CLIMATE-CHANGE; PHYSIOLOGICAL FUNCTIONS; HEDISTE-DIVERSICOLOR; COPPER; RESPONSES; IMPACTS; EXPOSURE; DICLOFENAC;

D O I：

10.1016/j.marpolbul.2022.113857

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study aimed to assess the combined effects of ocean acidification (OA) and pollution to the polychaete Syllis prolifera inhabiting the CO2 vent system of the Castello Aragonese (Ischia Island, Italy). We investigated the basal activities of antioxidant enzymes in organisms from the acidified site and from an ambient-pH control site in two different periods of the year. Results showed a limited influence of acidified conditions on the functionality of the antioxidant system. We then investigated the responsiveness of individuals living inside the CO2 vent compared to those from the control to face exposure to acetone and copper. Results highlighted a higher susceptibility of organisms from the vent to acetone and a different response of antioxidant enzymes in individuals from the two sites. Conversely, a higher tolerance to copper was observed in polychaetes from the acidified-site with respect to controls, but any significant oxidative stress was induced at sublethal concentrations.

引用

页数：11

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