Identification and mRNA expression of antioxidant enzyme genes associated with the oxidative stress response in the Wuchang bream (Megalobrama amblycephala Yih) in response to acute nitrite exposure
文献类型: 外文期刊
作者: Sun, Shengming 1 ; Ge, Xianping 1 ; Zhu, Jian 1 ; Xuan, Fujun 2 ; Jiang, Xiaojun 3 ;
作者机构: 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Minist Agr, Key Lab Freshwater Fisheries & Germplasm Resource, Wuxi 214081, Jiangsu, Peoples R China
2.Jiangsu Prov Key Lab Coastal Wetland Bioresources, Yancheng City 224002, Jiangsu, Peoples R China
3.Nanjing Agr Univ, Wuxi Fishery Coll, Wuxi 214081, Peoples R China
关键词: Megalobrama amblycephala;Nitrite;Gene expression;Oxidative stress;Liver
期刊名称:COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY ( 影响因子:3.228; 五年影响因子:3.289 )
ISSN: 1532-0456
年卷期: 2014 年 159 卷
页码:
收录情况: SCI
摘要: Aquatic organisms possess cellular detoxification systems to deal with pollutants. To explore the influence of reactive oxygen species (ROS) generated in response to nitrite on oxidative stress defenses and the antioxidant system in Megalobrama amblycephala, the full length cDNA sequences were determined for three antioxidant-related genes, namely catalase (MaCAT), selenium-dependent glutathione peroxidase (MaGPx1) and Cu/Zn supermdde dismutase (MaCu/Zn-SOD). Encoded polypeptides that exhibited high identity and similarity with corresponding proteins in other fish species. Expression levels of these antioxidant genes were analyzed by quantitative real-time polymerase chain reaction (qRT-PCR) technique. MaCAT, MaGPx1 and MaCu/Zn-SOD expression was greatest in the liver and qRT-PCR was used to assess expression of these genes in juvenile fish during 72 h of exposure to 15 mg/L nitrite. Prolonged nitrite exposure resulted in the formation of excess ROS that caused oxidative damage to lipids and proteins and reduced the activities of antioxidant enzymes. Fish exposed to nitrite also showed liver damage. This study provides transcriptional data for MaCAT, MaGPx1 and MaCu/Zn-SOD that suggest expression is related positively with oxidative stress induced by nitrite exposure, indicating that imbalance between ROS and antioxidant defenses is one mechanism underlying nitrite toxicity in M. amblycephala. Crown Copyright (C) 2013 Published by Elsevier Inc. All rights reserved.
- 相关文献
作者其他论文 更多>>
-
Medicinal Plants as Ecological Solutions for Fish Growth and Immunostimulatory Effects in Aquaculture
作者:Sumana, Sahr Lamin;Abdullateef, Mukhtar Muhammad;Ayana, Gelana Urgesa;Kayiira, John Cosmos;Samwel, Bakari Jackson;Su, Shengyan;Ebenezer, Annor;Simbo, Emmanuel Bob Samuel;Xiaojun, Jing;Sumana, Sahr Lamin;Xue, Ting;Hu, Honghui;Shui, Yan;Zhang, Chengfeng;Zhu, Jian;Abdullateef, Mukhtar Muhammad;Ayana, Gelana Urgesa;Su, Shengyan;Xiaojun, Jing
关键词:disease resistance in fish; fish growth enhancement; immunostimulants; medicinal plants; phytochemicals in aquafeeds
-
m6A Methylation Mediated Autophagy and Nucleotide-Binding Oligomerization Domain-like Receptors Signaling Pathway Provides New Insight into the Mitigation of Oxidative Damage by Mulberry Leaf Polysaccharides
作者:Jiang, Wenqiang;Lin, Yan;Lu, Siyue;Gu, Zhengyan;Ge, Xianping;Miao, Linghong;Jiang, Wenqiang;Qian, Linjie;Ge, Xianping;Miao, Linghong
关键词:Megalobrama amblycephala; mulberry leaf polysaccharides; m(6)A methylation; transcriptome; autophagy
-
Lactobacillus plantarum Alters Gut Microbiota and Metabolites Composition to Improve High Starch Metabolism in Megalobrama amblycephala
作者:Qian, Linjie;Mu, Qiaoqiao;Ge, Xianping;Miao, Linghong;Lu, Siyue;Jiang, Wenqiang;Lin, Yan;Gu, Zhengyan;Ge, Xianping;Miao, Linghong;Wu, Yeyang
关键词:Megalobrama amblycephala; high-starch diet; Lactobacillus plantarum; metabolomics; gut microbiota
-
Effects of Different River Crab Eriocheir sinensis Polyculture Practices on Bacterial, Fungal and Protist Communities in Pond Water
作者:Bao, Yun;Li, Bing;Jia, Rui;Zhou, Linjun;Hou, Yiran;Zhu, Jian;Li, Bing;Jia, Rui;Hou, Yiran
关键词:river crab polyculture; pond water; bacterial; fungal; protist communities; mandarin fish; silver carp
-
Alterations in microbial-mediated methane, nitrogen, sulfur, and phosphorus cycling within paddy soil induced by integrated rice-fish farming
作者:Hou, Yiran;Jia, Rui;Zhou, Linjun;Zhang, Liqiang;Wei, Sun;Li, Bing;Zhu, Jian;Hou, Yiran;Jia, Rui;Li, Bing;Zhu, Jian
关键词:Paddy soil; Methane/nitrogen/sulfur/phosphorus cycling; Integrated rice-fish farming; Microbiome; Metagenome
-
Partitioned Recirculating Renovation for Traditional Rice-Fish Farming Induced Substantial Alterations in Bacterial Communities Within Paddy Soil
作者:Hou, Yiran;Li, Hongwei;Jia, Rui;Zhou, Linjun;Li, Bing;Zhu, Jian;Hou, Yiran;Jia, Rui;Li, Bing;Zhu, Jian;Hou, Yiran;Li, Hongwei;Jia, Rui
关键词:integrated rice-fish farming; rice paddy; partitioned recirculating renovation; microbial community; community assembly
-
Mulberry leaf polysaccharides ameliorate lipid metabolic disorders in high-fat diet-fed Megalobrama amblycephala: changes in intestinal transcriptome, metabolome, and microbiota
作者:Jiang, Wenqiang;Gu, Zhengyan;Lu, Siyue;Lin, Yan;Miao, Linghong;Ge, Xianping;Jiang, Wenqiang;Qian, Linjie;Mu, Qiaoqiao;Miao, Linghong;Ge, Xianping
关键词:Mulberry leaf polysaccharides; High fat metabolism; Multi-omics combined analysis



