A novel chemerin receptor 1 (Chemerin(1)) takes part in the immune response of cobia (Rachycentron canadum)
文献类型： 外文期刊
作者： Jiang, Biao 1 ; Wen, Caiyi 1 ; Sun, Yanxin 1 ; Li, Wei 1 ; Liu, Chun 1 ; Feng, Juan 2 ; Su, Youlu 1 ;
作者机构： 1.Zhongkai Univ Agr & Engn, Coll Anim Sci & Technol, Innovat Inst Anim Healthy breeding, Guangzhou 510222, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Minist Agr & Rural Affairs, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China
关键词： Rachycentron canadum; Chemerin(1); Vibrio harveyi; poly I: C
期刊名称：FISH AND SHELLFISH IMMUNOLOGY REPORTS
ISSN： 2667-0119
年卷期： 2022 年 3 卷
页码：
收录情况： SCI
摘要： Chemerin receptor 1 (Chemerin(1)) plays a critical role in innate and adaptive immune systems. In this study, a cobia (Rachycentron canadum) Chemerin(1) was identified, and its molecular characterization and expression patterns were analyzed. Multiple sequence alignment revealed that the RcChemerin(1) possessed a typical dynein regulatory complex (DRC) motif. There was also a potential N-glycosylation site in the extracellular regions of the N-terminus and intracellular loops (ICL) 1 region. Phylogenetic analysis demonstrated that the RcChemerin(1) was clustered together with homologous proteins from other fish species. RcChemerin(1) was constitutively expressed in a wide range of tissues (especially in immune-related tissues) with different expression levels, which suggests that the RcChemerin(1) plays different roles in un-stimulated tissues. RcChemerin(1) expression showed up-regulation in the head kidney after Vibrio harveyi challenge. Up-regulation in the head kidney and spleen was also observed after polyinosinic-polycytidylic acid (poly I: C) challenge, which suggests that RcChemerin(1) may play vital roles during bacterial and viral infection. The differential responses of immune organs to bacteria and poly I: C imply the differences in defense mechanisms against viruses and bacteria.
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