title: Oxidative stress response of the black tiger shrimp Penaeus monodon to Vibrio parahaemolyticus challenge.
abstract: Vibrio parahaemolyticus 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. parahaemolyticus challenge were studied, such as respiratory burst, ROS production (·O2(-) and ·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. parahaemolyticus influenced the antioxidative status and caused oxidative stress and tissue damage via confusion of antioxidant enzymes in P. monodon.
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China.
authors.forename: Yafei
authors.initials: Y
authors.lastname: Duan
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China. Electronic address: jiasongzhang@hotmail.com.
authors.forename: Jiasong
authors.initials: J
authors.lastname: Zhang
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China.
authors.forename: Hongbiao
authors.initials: H
authors.lastname: Dong
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China.
authors.forename: Yun
authors.initials: Y
authors.lastname: Wang
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China.
authors.forename: Qingsong
authors.initials: Q
authors.lastname: Liu
authors.affiliation: Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Key Laboratory of Aquatic Product Processing, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China.
authors.forename: Hua
authors.initials: H
authors.lastname: Li
mesh_terms: D000818:Animals; D002374:Catalase / Q000378:metabolism; D005880:Gills / Q000378:metabolism; D005979:Glutathione Peroxidase / Q000378:metabolism; D005982:Glutathione Transferase / Q000378:metabolism; D043143:Hepatopancreas / Q000378:metabolism / Q000473:pathology; D008315:Malondialdehyde / Q000378:metabolism; D018384:Oxidative Stress; D033561:Penaeidae / Q000378:metabolism*; D017382:Reactive Oxygen Species / Q000378:metabolism; D016897:Respiratory Burst; D013482:Superoxide Dismutase / Q000378:metabolism; D014735:Vibrio Infections / Q000378:metabolism*; D014736:Vibrio parahaemolyticus
chemical_list: D017382:Reactive Oxygen Species; D008315:Malondialdehyde; D002374:Catalase; D005979:Glutathione Peroxidase; D013482:Superoxide Dismutase; D005982:Glutathione Transferase
keywords: Antioxidants; Oxidative stress; Penaeus monodon; Vibrio parahaemolyticus