DOI: 10.1016/j.marpolbul.2018.04.031
Scopus记录号: 2-s2.0-85045748170
论文题名: Sex differences in oxidative stress responses of tropical topshells (Trochus histrio) to increased temperature and high pCO2
作者: Grilo T.F. ; Lopes A.R. ; Sampaio E. ; Rosa R. ; Cardoso P.G.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2018
卷: 131 起始页码: 252
结束页码: 259
语种: 英语
英文关键词: Antioxidant enzymes
; Gender differences
; Heat shock response
; Lipid peroxidation
; Ocean warming and acidification
; Trochus histrio
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: Given scarcity of knowledge on gender ecophysiological responses of tropical marine organisms to global climate change, the major aim of this research was to investigate potential sex differences in oxidative status of topshell Trochus histrio, after a combined exposure to increased temperature and pCO2. Lipid peroxidation, heat-shock response and antioxidant enzymatic activities were evaluated. Lipid peroxidation varied differently between sexes, with males undergoing cellular damage under high pCO2, which was elevated temperature-counteracted. Heat shock response was thermo- and sex-regulated, with males exhibiting significantly higher heat shock proteins production than females. Catalase activity increased with temperature and was exacerbated in combination with hypercapnia, being highest in females, while glutathione S-transferases activity peaked in males. These results clearly support the existence of distinct physiological strategies to cope oxidative stress between sexes, apparently more efficient in females, and also reinforce for the need of encompassing sex as meaningful variable in future biomarker studies. © 2018 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/88266
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: MARE – Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, Cascais, Portugal; MARE – Marine and Environmental Sciences Centre, Universidade de Coimbra, Coimbra, Portugal
Recommended Citation:
Grilo T.F.,Lopes A.R.,Sampaio E.,et al. Sex differences in oxidative stress responses of tropical topshells (Trochus histrio) to increased temperature and high pCO2[J]. Marine Pollution Bulletin,2018-01-01,131