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Molecular cloning, inducible expression with SGIV and Vibrio alginolyticus challenge, and function analysis of Epinephelus coioides PDCD4.

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机构： [a]Joint Laboratory of Guangdong Province and Hong Kong Regions on Marine Bioresource Conservation and Exploitation, Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China [b]Hainan Key Laboratory of Tropical Marine Biotechnology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, PR China [c]Department of Laboratory, Jining No.1 People’s Hospital, Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Shandong, 272111, PR China [d]Life Sciences Institute, Zhejiang University, Zhejiang Province, 310058, PR China

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Programmed cell death 4 (PDCD4) in mammals, a gene closely associated with apoptosis, is involved in many biological processes, such as cell aging, differentiation, regulation of cell cycle, and inflammatory response. In this study, grouper Epinephelus coioides PDCD4, EcPDCD4-1 and EcPDCD4-2, were obtained. The open reading frame (ORF) of EcPDCD4-1 is 1413 bp encoding 470 amino acids with a molecular mass of 52.39 kDa and a theoretical pI of 5.33. The ORF of EcPDCD4-2 is 1410 bp encoding 469 amino acids with a molecular mass of 52.29 kDa and a theoretical pI of 5.29. Both EcPDCD4-1 and EcPDCD4-2 proteins contain two conserved MA3 domains, and their mRNA were detected in all eight tissues of E. coioides by quantitative real-time PCR (qRT-PCR) with the highest expression in liver. The expressions of two EcPDCD4s were significantly up-regulated after Singapore grouper iridovirus (SGIV) or Vibrio alginolyticus infection. In addition, over-expression of EcPDCD4-1 or EcPDCD4-2 can inhibit the activity of the nuclear factor-κB (NF-κB) and activator protein-1 (AP-1), and regulate SGIV-induced apoptosis. The results demonstrated that EcPDCD4s might play important roles in E. coioides tissues during pathogen-caused inflammation. Copyright © 2021. Published by Elsevier Ltd.

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出版当年[2020]版：

大类 | 3 区

生物

小类 | 1 区渔业 1 区动物学 4 区免疫学

最新[2025]版：

大类 | 3 区农林科学

小类 | 3 区渔业 3 区兽医学 3 区动物学 4 区免疫学

第一作者：

第一作者机构： [a]Joint Laboratory of Guangdong Province and Hong Kong Regions on Marine Bioresource Conservation and Exploitation, Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China [b]Hainan Key Laboratory of Tropical Marine Biotechnology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, PR China [c]Department of Laboratory, Jining No.1 People’s Hospital, Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Shandong, 272111, PR China [d]Life Sciences Institute, Zhejiang University, Zhejiang Province, 310058, PR China

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通讯作者：

通讯机构： [a]Joint Laboratory of Guangdong Province and Hong Kong Regions on Marine Bioresource Conservation and Exploitation, Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China [c]Department of Laboratory, Jining No.1 People’s Hospital, Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Shandong, 272111, PR China [*1]College of Marine Sciences, South China Agricultural University, 483 Wushan Street, Tianhe District, Guangzhou, 510642, PR China. [*2]Department of Laboratory, Jining No.1 People’s Hospital, Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Shandong, 272111, PR China

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