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Insight into the heat resistance of fish via blood: Effects of heat stress on metabolism, oxidative stress and antioxidant response of olive flounder Paralichthys olivaceus and turbot Scophthalmus maximus
Lu, Yunliang1,2; Wu, Zhihao1,2; Song, Zongcheng3; Xiao, Peng1,2; Liu, Ying4; Zhang, Peijun1,2; You, Feng1,2
2016-11-01
Source PublicationFISH & SHELLFISH IMMUNOLOGY
Volume58Pages:125-135
SubtypeArticle
AbstractHigh temperature has direct confinement on fish survival and growth, especially under the background of global warming. Selection of fish line with heat resistance is an important means to address this problem. In the present study, we analyzed the difference in heat resistance between families of olive flounder Paralichthys olivaceus and turbot Scophthalmus maximus, two flatfish species occupying slightly different thermal niches. Then the chosen families were tested to determine their differential response to heat stress (Delta T = +8 degrees C and +12 degrees C) in blood, including anaerobic metabolism (lactate), oxidative stress (lipid peroxidation and protein carbonylation) and antioxidant enzymes. Results showed a difference in heat resistance between families of the two species. Among the chosen parameters, growth traits had a significant effect on contents of lactate and malondialdehyd (MDA), and activities of catalase (CAT) and glutathione S-transferase in flounder (P < 0.05), and on MDA content and CAT activity in turbot (P < 0.05). In comparison with heat-sensitive family of each species, levels of all studied parameters were lower and more stable in heat-resistant families after heat stress. What's more, heat resistance of fish significantly influenced contents of lactate and MDA and activity of CAT in flounder (P < 0.05), as well as contents of lactate, MDA and carbonyl and activity of superoxide dismutate (SOD) in turbot (P < 0.05). These results demonstrated that such physiological phenotypes as anaerobic metabolism, oxidative stress and antioxidant enzymes are good biomarkers of fish heat-resistance, being potentially valuable in fish breeding. However, these markers should be applied with more caution when there is a growth discrepancy between fish families. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordParalichthys Olivaceus Scophthalmus Maximus Heat Stress Heat-resistance Anaerobic Metabolism Oxidative Stress
DOI10.1016/j.fsi.2016.09.008
Indexed BySCI
Language英语
WOS IDWOS:000387523100017
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136198
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Natl & Local Joint Engn Lab Ecol Mariculture, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
3.Shenghang Aquat Sci & Technol Co Ltd, Weihai 264200, Peoples R China
4.Dalian Ocean Univ, Sch Marine Sci & Environm Engn, Dalian 116023, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu, Yunliang,Wu, Zhihao,Song, Zongcheng,et al. Insight into the heat resistance of fish via blood: Effects of heat stress on metabolism, oxidative stress and antioxidant response of olive flounder Paralichthys olivaceus and turbot Scophthalmus maximus[J]. FISH & SHELLFISH IMMUNOLOGY,2016,58:125-135.
APA Lu, Yunliang.,Wu, Zhihao.,Song, Zongcheng.,Xiao, Peng.,Liu, Ying.,...&You, Feng.(2016).Insight into the heat resistance of fish via blood: Effects of heat stress on metabolism, oxidative stress and antioxidant response of olive flounder Paralichthys olivaceus and turbot Scophthalmus maximus.FISH & SHELLFISH IMMUNOLOGY,58,125-135.
MLA Lu, Yunliang,et al."Insight into the heat resistance of fish via blood: Effects of heat stress on metabolism, oxidative stress and antioxidant response of olive flounder Paralichthys olivaceus and turbot Scophthalmus maximus".FISH & SHELLFISH IMMUNOLOGY 58(2016):125-135.
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