Exposure to domoic acid affects larval development of king scallop Pecten maximus (Linnaeus, 1758)
文献类型： 外文期刊
作者： Liu, Hui 1 ; Kelly, Maeve S. 2 ; Campbell, Dirk A. 2 ; Dong, Shuang Lin 3 ; Zhu, Jian Xin; Wang, Su Feng;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Chinese Minist Agr Sustainable Utilizat Marine Fi, Key Lab, Qingdao 266071, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Chinese Minist Agr Sustainable Utilizat Marine Fi, Key Lab, Qingdao 266071, Peoples R China; Scottish Assoc Marine Sci, Oban PA37 1QA, Argyll, Scotland; Ocean Univ China, Coll Fisheries, Div Marine Life Sci & Technol, Qingdao 266003, Peoples R China; Environm Management Coll China, Qinhuangdao 066000, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Chinese Minist Agr Sustainable Utilizat Marine Fi, Key Lab, Qin
期刊名称：AQUATIC TOXICOLOGY （ 影响因子：4.964； 五年影响因子：5.071 ）
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收录情况： SCI
摘要： Domoic acid (DA) is a highly toxic phycotoxin produced by bloom forming marine diatoms Pseudo-nitzschia spp. Bivalves can accumulate this toxin to a high level through their feeding activities, and thus illness or death in can occur in consumers of bivalves. In this study, king scallop, Pecten maximus, larvae were exposed to dissolved domoic acid (DA) for 25d, and the toxin accumulation and effects of harbouring this toxin were investigated. Scallop larvae incorporated DA continuously during the larval culture period and accumulated a maximum DA level of 5.21pgind(-1) when exposed to a solution of 50ngml(-1) dissolved DA. As a result of the DA treatment, larval growth, measured in terms of shell length and the appearance of the eye-spot, and larval survival were significantly compromised. This is the first study on DA incorporation dynamics in P. maximus larvae, signifying the potential of using shellfish larvae for the study on mechanisms of phycotoxin accumulation. The negative effect of DA exposure suggests that this toxin could possibly influence natural recruitment in P. maximus, and it may be necessary to protect hatchery-cultured scallop larvae from DA during toxic Pseudo-nitzschia blooms.
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