Oxidative stress response of the black tiger shrimp Penaeus monodon to Vibrio parahaemolyticus challenge
文献类型: 外文期刊
作者: Duan, Yafei 1 ; Zhang, Jiasong 1 ; Dong, Hongbiao 1 ; Wang, Yun 1 ; Liu, Qingsong 1 ; Li, Hua 2 ;
作者机构: 1.Chinese Acad Fishery Sci, Key Lab South China Sea Fishery Resources Exploit, Key Lab Aquat Prod Proc, Minist Agr,South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China
2.Chinese Acad Fishery Sci, Key Lab South China Sea
关键词: Penaeus monodon;Vibrio parahaemolyticus;Antioxidants;Oxidative stress
期刊名称:FISH & SHELLFISH IMMUNOLOGY ( 影响因子:4.581; 五年影响因子:4.851 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Vibrio parahaemolydcus is a virulent pathogen that affects shrimp aquaculture. Reactive oxygen species are produced by the immune system that defends the host against foreign microorganisms. In the present study, the oxidative stress response in hepatopancreas and gills of Penaeus monodon to V. parahaemolydcus challenge were studied, such as respiratory burst, ROS production (center dot O-2(-) and center dot OH), activities of antioxidant enzymes (CAT, GPx, SOD, POD and GST) and oxidative damage to lipid and protein (indexed by contents of MDA). Compared with the control group, after V parahaemolyticus challenge, respiratory burst and ROS production were up-regulated significantly. GPx and POD activity increased significantly in hepatopancreas and gills of the shrimps at 12 h, but CAT activity decreased markedly at 12 h and 24 h. SOD and GST activity in hepatopancreas of the shrimps increased significantly at 1.5 h, but decreased markedly at 12 h-48 h. MDA content increased significantly after 6 h-24 h challenge. HE staining showed that V. parahaemolyticus challenge induced damage symptoms in hepatopancreas of P. monodon. Our study revealed that V. parahaemolydcus influenced the antioxidative status and caused oxidative stress and tissue damage via confusion of antioxidant enzymes in P. monodon. (C) 2015 Elsevier Ltd. All rights reserved.
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