Toxic effects of nitrite and microplastics stress on histology, oxidative stress, and metabolic function in the gills of Pacific white shrimp, Litopenaeus vannamei

文献类型： 外文期刊

第一作者： Xing, Yifu

作者： Xing, Yifu;Zhu, Xuanyi;Duan, Yafei;Huang, Jianhua;Nan, Yuxiu;Zhang, Jiasong;Xing, Yifu;Duan, Yafei

作者机构：

关键词： Shrimp; Gills; Nitrite; Microplastics; Oxidative stress; Metabolism

期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.8； 五年影响因子：6.5 ）

ISSN： 0025-326X

年卷期： 2023 年 187 卷

页码：

收录情况： SCI

摘要： Nitrite and microplastics are environmental pollutants that threaten the health of aquatic animals and tend to affect the respiratory and metabolic functions of gills. In this study, we investigated the effects of nitrite and microplastic stress, individually and in combination, on the gills of Litopenaeus vannamei. After 14 days of exposure, both nitrite and microplastic stress caused gills deformation and vacuolization, while oxidative stress was induced by increasing the expression of catalase (CAT), superoxide dismutase (SOD), thioredoxin (Trx), heat shock protein 70 (HSP70) and heat shock protein 90 (HSP90) genes. The metabolism of carbohydrates, lipids and amino acids were altered, and 14 metabolite markers were identified. The expression of part of genes in PPAR signaling pathway was different. These results reveal that nitrite and microplastic stress adversely affect the gill physiological homeostasis of L. vannamei by causing histological damage, inducing oxidative stress and inter -fering with metabolic functions.

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