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Effects of temperature change on physiological and biochemical responses of Yesso scallop, Patinopecten yessoensis
Jiang, Weiwei1,2,3; Li, Jiaqi3; Gao, Yaping3; Mao, Yuze3; Jiang, Zengjie3; Du, Meirong3; Zhang, Yuan4; Fang, Jianguang3
2016-01-20
Source PublicationAQUACULTURE
Volume451Issue:2016Pages:463-472
SubtypeArticle
AbstractWater temperature can be a significant environmental stressor that affects the physiological and biochemical responses of mollusks. Yesso scallop, Patinopecten yessoensis, is influenced by water temperature fluctuations caused by the Northern Yellow Sea Cold Water Mass. Here, the effects of acute seawater temperature change, gradual temperature change, and fluctuating temperature on the physiological and enzymatic activities in Yesso scallop were studied. Scallops were transferred directly from rearing temperature (15 degrees C) to 5, 10, or 20 degrees C for the acute water temperature change treatment. Scallops in the gradual water temperature change treatment were acclimated to different temperatures (5, 10, and 20 degrees C) by increasing or decreasing seawater temperature progressively (1-2 degrees C/day). The results showed that oxygen consumption and ammonia-N excretion rates in the 20 degrees C-acute water temperature change treatment were significantly higher than those in the gradual treatment (one-way ANOVA, P < 0.01). However, scallop ingestion rate decreased significantly in response to an acute water temperature decrease from 15 to 5 degrees C, compared with equivalent groups exposed to a gradual temperature drop (one-way ANOVA, P < 0.01). Moreover, hepatopancreatic superoxide dismutase (SOD), catalase (CAT), acid phosphatase (ACP), and lysozyme (LSZ) activities reached their highest levels in the 20 degrees C-acute treatment after 12 h. Malondialdehyde (MDA) content increased significantly following the acute water temperature changes and reached the highest level in 10 degrees C-acute treatment after 72 h. Heat shock protein70 gene (Hsp70) expression levels also increased significantly when water temperature was increased rapidly from 15 to 20 degrees C or decreased rapidly from 15 to 10 degrees C (P < 0.01). In the fluctuation treatment, seawater temperature was altered every 12 h for a total of six fluctuations. Scallops were transferred directly from 15 to 7 degrees C (first fluctuation), moved from 7 to 15 degrees C for the next 12 h (second fluctuation), and then transferred from 15 to 7 degrees C again (third fluctuation) and so on. As results, significant increases in SOD and CAT activities and MDA content, and decreases in ACP and LSZ activities were observed (one-way ANOVA, P < 0.01). Significantly upregulated Hsp70 expression was also found in hemocytes, gills, and the adductor muscle of scallops in the fluctuating temperature treatment (one-way ANOVA, P < 0.01). In conclusion, acute water temperature changes and fluctuations impacted the physiological and enzymatic activities of Yesso scallops and upregulated Hsp70 expression. (C) 2015 Elsevier B.V. All rights reserved.
KeywordAcute Water Temperature Changes Temperature Fluctuations Patinopecten Yessoensis Physiological Enzymatic Activities Heat Shock Protein70
DOI10.1016/j.aquaculture.2015.10.012
Indexed BySCI
Language英语
WOS IDWOS:000364854800059
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/86536
Collection海洋生物技术研发中心
海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Dev Marine Fisheries, Qingdao 266071, Peoples R China
4.Zhangzidao Sea Ranching Res Ctr, Dalian 116001, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jiang, Weiwei,Li, Jiaqi,Gao, Yaping,et al. Effects of temperature change on physiological and biochemical responses of Yesso scallop, Patinopecten yessoensis[J]. AQUACULTURE,2016,451(2016):463-472.
APA Jiang, Weiwei.,Li, Jiaqi.,Gao, Yaping.,Mao, Yuze.,Jiang, Zengjie.,...&Fang, Jianguang.(2016).Effects of temperature change on physiological and biochemical responses of Yesso scallop, Patinopecten yessoensis.AQUACULTURE,451(2016),463-472.
MLA Jiang, Weiwei,et al."Effects of temperature change on physiological and biochemical responses of Yesso scallop, Patinopecten yessoensis".AQUACULTURE 451.2016(2016):463-472.
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