Molecular characterization of TLR3 and TRIL in silvery pomfret (Pampus argenteus) and their expression profiles in response to bacterial components
文献类型： 外文期刊
作者： Gao, Quanxin 1 ; Tang, Qiongying 2 ; Zhao, Ming 1 ; Min, Minghua 1 ; Wang, Qian 1 ; Peng, Shiming 1 ; Ma, Lingbo 1 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab Marine & Estuarine Fisheries, Minist Agr, Shanghai 200090, Peoples R China
2.Zhejiang Prov Key Lab Aquat Resources Conservat &, Huzhou 313000, Peoples R China
3.Chinese Acad Fishery Sci, Key Lab Aquat Anim Genet Breeding & Nutr, Huzhou 313000, Peoples R China
4.Huzhou Univ, Huzhou Cent Nosp, Huzhou 313000, Peoples R China
5.Huzhou Univ, Coll Life Sci, Huzhou 313000, Peoples R China
关键词： Silver pomfret; TLR3; TRIL
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：6.953； 五年影响因子：6.737 ）
ISSN： 0141-8130
年卷期： 2020 年 155 卷
页码：
收录情况： SCI
摘要： Toll-like receptors (TLRs) play important roles in the innate system by recognizing pathogen-associated molecular patterns derived from various microbes. In this study, we reported the cloning and identification of paTLR3 and paTLR4 interactor with leucine rich repeats (TRIL) cDNA from silvery pomfret (Pampus argenteus). The full-length paTLR3 and paTRIL cDNA were 2996 and 3163 bp long, respectively. Both of the two proteins contained many LRR domains, one LRR-C terminal domain and one transmembrane region, which fits with the characteristic TLR and its analogue domain architecture. Phylogenetic analyses revealed that paTLR3 and paTRIL shared the closest relationship with Lateolabrax japonicas and Notothenia coriiceps, respectively. The expression levels of paTLR3 and paTRIL varied greatly among the examined tissues with the highest expression both in liver. Following exposure to V. anguillarum flagellin, A. hydrophila lipopolysaccharide (LPS) and L. plantarum lipoteichoic acid (LTA), paTLR3 and paTRIL were all up-regulated. V. anguillarum flagellin induced the highest expression levels of paTLR3 and paTRIL. A. hydrophila flagellin and A. hydrophila LPS induced the highest expression levels of IL-1 beta and IL-8, respectively. The present results will provide the valuable information for understanding the structure, function and the immune defense process of paTLR3 and paTRIL in silvery pomfret. (C) 2020 Elsevier B.V. All rights reserved.
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