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亚洲植物种子作为一种保护剂,用于减轻Penaeusvannamei上的金属毒性

Zhen-Hao Liao¹, Yeh-Fang Hu¹, Wen-Shao Wu¹

¹Department of Aquaculture, National Taiwan Ocean University, No.2, Beining Road, Zhongzheng District, Keelung City, 202301, Taiwan.

Fish & shellfish immunology

|August 10, 2024

概括

亚洲种子 (PS) 有效地保护白 (Penaeus vannamei) 免受重金属的毒性. 饮食PS减少金属积累,调节关键基因表达,改善水产养殖中的的生存和健康.

科学领域:

水生物质毒理学研究
动物营养动物营养
环境科学环境科学

背景情况:

亚洲植物种子 (PS) 传统上用于医学.
重金属污染对水产养殖构成重大威胁,特别是对白 (Penaeus vannamei).
了解减缓策略对于可持续的养殖至关重要.

研究的目的:

研究Plantago asiatica种子 (PS) 作为食补充剂的疗效,以减轻白 (Penaeus vannamei) 中的重金属毒性.
阐明PS保护免受重金属暴露的基本机制.
评估PS作为水产养殖中的料添加剂的潜力.

主要方法:

白被养了PS补充饮食或基本饮食7天.
随后暴露于亚 (As), (Pb) 和 (Hg) 的次致命度.
分析了组织中的金属积累,生存率以及免疫,抗氧化剂和与压力相关的基因的表达.

主要成果:

在重金属暴露下,饮食PS显著增加了的生存率.
补充PS导致了各种组织中As,Pb和Hg的积累减少.
PS调节了免疫 (proPO I,Toll,IMD),抗氧化剂 (SOD,GST,Trx) 和应激反应基因 (HSP70,MT) 的表达.

结论:

亚洲种子对白的重金属毒性有显著的保护作用.
通过减少金属生物积累和调节关键的生理路径,PS减轻了毒性.
作为一种有益和天然的料添加剂,PS显示出增强水产养殖环境中的弹性.

关键词:

这是一种重金属,重金属.佩内乌斯 (Penaeus vannamei) 是一个水族群.亚洲种子植物 (Plantago asiatica) 的种子降低毒性减轻毒性

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