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Isolation of Prawn (Exopalaemon carinicauda) Lipopolysaccharide and beta-1, 3-Glucan Binding Protein Gene and Its Expression in Responding to Bacterial and Viral Infections

文献类型： 外文期刊

作者： Ge Qianqian 1 ; Li Jian 2 ; Duan Yafei; Li Jitao 1 ; Sun Ming 1 ; Zhao Fazhen 2 ;

作者机构： 1.Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China

2.Chinese Acad Fishery Sci, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China

4.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao

关键词： Exopalaemon carinicauda;LGBP;WSSV;Vibrio parahaemolyticus;immune response

期刊名称：JOURNAL OF OCEAN UNIVERSITY OF CHINA （ 影响因子：0.913； 五年影响因子：1.012 ）

ISSN： 1672-5182

年卷期： 2016 年 15 卷 2 期

页码：

收录情况： SCI

摘要： The pattern recognition proteins (PRPs) play a major role in immune response of crustacean to resist pathogens. In the present study, as one of PRPs, lipopolysaccharide and beta-1, 3-glucan binding protein (LGBP) gene in the ridge tail white prawn (Exopalaemon carinicauda) (EcLGBP) was isolated. The full-length cDNA of EcLGBP was 1338 bp, encoding a polypeptide of 366 amino acid residules. The deduced amino acid sequence of EcLGBP shared high similarities with LGBP and BGBP from other crustaceans. Some conservative domains were predicted in EcLGBP sequence. EcLGBP constitutively expressed in most tissues at different levels, and the highest expression was observed in hepatopancreas. With infection time, the cumulative mortality increased gradually followed by the proliferation of Vibrio parahaemolyticus and white spot syndrome virus (WSSV). The expression of EcLGBP in response to V. parahaemolyticus infection was up-regulated in hemocytes and hepatopancreas, and the up-regulation in hepatopancreas was earlier than that in hemocytes. EcLGBP expression after WSSV infection increased at 3 h, then significantly decreased in both hemocytes and hepatopancreas. The results indicated that EcLGBP was involved in the immune defense against bacterial and viral infections.

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[1]Transcriptome analysis of the hepatopancreas in Exopalaemon carinicauda infected with an AHPND-causing strain of Vibrio parahaemolyticus. Ge, Qianqian,Li, Jian,Wang, Jiajia,Li, Jitao,Ge, Hongxing,Zhai, Qianqian,Ge, Qianqian,Li, Jian,Wang, Jiajia,Li, Jitao,Ge, Hongxing,Zhai, Qianqian.

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