Molecular Cloning and Expression of MnGST-1 and MnGST-2 from Oriental River Prawn, Macrobrachium nipponense, in Response to Hypoxia and Reoxygenation
文献类型： 外文期刊
作者： Xu, Lei 1 ; Yang, Ming 1 ; Fu, Hongtuo 1 ; Sun, Shengming 2 ; Qiao, Hui 2 ; Zhang, Wenyi 2 ; Gong, Yongsheng 2 ; Jiang, S 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fishery Coll, Wuxi 214081, Peoples R China
2.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China
3.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, M
关键词： Macrobrachium nipponense; hypoxia; reoxygenation; mRNA expression; enzyme activity
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN： 1422-0067
年卷期： 2018 年 19 卷 10 期
页码：
收录情况： SCI
摘要： The glutathione-S-transferase (GST) superfamily includes seven classes, and different classes have different functions. GST superfamily members function in various processes including detoxification of xenobiotics, protection against oxidative damage, and intracellular transport of hormones, endogenous metabolites, and exogenous chemicals. Herein, to elucidate the tissue-specific expression pattern of GSTs in response to hypoxia stress, which induces cell death, we investigated the expression of GSTs in response to hypoxia and reoxygenation in oriental river prawn, Macrobrachium nipponense. Full-length cDNAs of two class GSTs were cloned from the hepatopancreas, and named MnGST-1 and MnGST-2 based on the established GST nomenclature system. Expression profiles of both GSTs in various tissues were different under acute and chronic experimental hypoxia stress conditions, suggesting that both respond strongly to hypoxia-induced oxidative stress. However, the intensity of responses to hypoxia and reoxygenation were different in different tissues. During acute hypoxia stress, MnGST-1 responds earlier than MnGST-2 in the hepatopancreas and gill, but more slowly in muscle. By contrast, during chronic hypoxia stress, MnGST-2 plays a more important role in the hepatopancreas and gill than MnGST-1.
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