Characterization and Expression Analysis of B Cell Receptor Accessory Molecule CD79 Gene in Humphead Snapper (Lutjanus sanguineus)
Huang Yucong; Yan Xiuying; Cai Shuanghu; Cai Jia; Jian Jichang; Lu Yishan; Tang Jufen; Wu Zaohe; Wu, ZH (reprint author), Prov Key Lab Pathogen Biol & Epidemiol Aquat Econ, Zhanjiang 524088, Peoples R China.; Wu, ZH (reprint author), Zhongkai Univ Agr & Engn, Guangzhou 510225, Guangdong, Peoples R China.
2016
发表期刊JOURNAL OF OCEAN UNIVERSITY OF CHINA
卷号15期号:2页码:318-326
摘要CD79, a key component of the B cell antigen receptor complex, is composed of CD79 alpha(Ig alpha) and CD79 beta(Ig beta) encoded by mb-1 and B29 respectively, and plays an important role in B cell signaling. In this study, we isolated and characterized mb-1 and B29 from humphead snapper (Lutjanus sanguineus). Their tissue distribution and expression profiles after stimulations in vitro and in vivo were also investigated. The humphead snapper mb-1 and B29 contain open reading frames of 684 bp and 606 bp, encoding 227 amino acids and 201 amino acids, respectively. Both CD79 alpha and CD79 beta possess signal peptide, extracellular Ig domain, transmembrane region and immunoreceptor tyrosine kinase activation motif (ITAM). Mb-1 is highly expressed in lymphoid organs (thymus, posterior kidney and spleen) and mucosal-associated lymphoid tissues (gill and intestine), while B29 is mainly detected in posterior kidney, spleen, gill and skin. Furthermore, transcription of mb-1 and B29 in head kidney leucocytes was up-regulated following lipopolysaccharide (LPS), pokeweed mitogen (PWM), and polyinosinic-polycytidylic acid (PolyI:C) stimulation, respectively, and their expression level in anterior kidney and spleen was also increased after challenged with formalin-inactived Vibrio harveyi. These results indicated that humphead snapper CD79 molecule might play an important role in immune response to pathogen infection.
部门归属[Huang Yucong] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Huang Yucong] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Huang Yucong; Yan Xiuying; Cai Shuanghu; Cai Jia; Jian Jichang; Lu Yishan; Tang Jufen] Guangdong Ocean Univ, Coll Fisheries, Zhanjiang 524088, Peoples R China; [Huang Yucong; Yan Xiuying; Cai Shuanghu; Cai Jia; Jian Jichang; Lu Yishan; Tang Jufen; Wu Zaohe] Prov Key Lab Pathogen Biol & Epidemiol Aquat Econ, Zhanjiang 524088, Peoples R China; [Wu Zaohe] Zhongkai Univ Agr & Engn, Guangzhou 510225, Guangdong, Peoples R China ; LTO
关键词Lutjanus Sanguineus Immune Response Bcr Cd79 Alpha Cd79 Beta
学科领域Oceanography
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15547
专题热带海洋环境国家重点实验室(LTO)
通讯作者Wu, ZH (reprint author), Prov Key Lab Pathogen Biol & Epidemiol Aquat Econ, Zhanjiang 524088, Peoples R China.; Wu, ZH (reprint author), Zhongkai Univ Agr & Engn, Guangzhou 510225, Guangdong, Peoples R China.
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Huang Yucong,Yan Xiuying,Cai Shuanghu,et al. Characterization and Expression Analysis of B Cell Receptor Accessory Molecule CD79 Gene in Humphead Snapper (Lutjanus sanguineus)[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2016,15(2):318-326.
APA Huang Yucong.,Yan Xiuying.,Cai Shuanghu.,Cai Jia.,Jian Jichang.,...&Wu, ZH .(2016).Characterization and Expression Analysis of B Cell Receptor Accessory Molecule CD79 Gene in Humphead Snapper (Lutjanus sanguineus).JOURNAL OF OCEAN UNIVERSITY OF CHINA,15(2),318-326.
MLA Huang Yucong,et al."Characterization and Expression Analysis of B Cell Receptor Accessory Molecule CD79 Gene in Humphead Snapper (Lutjanus sanguineus)".JOURNAL OF OCEAN UNIVERSITY OF CHINA 15.2(2016):318-326.
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