您好，欢迎访问中国水产科学研究院 机构知识库！
中国水产科学研究院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Pepscan mapping of autophagy-inducing peptides of the glycoprotein of infectious hematopoietic necrosis virus and the effect on viral replication in vitro

文献类型： 外文期刊

作者： Zhao, Jing-Zhuang 1 ; Xu, Li-Ming 1 ; Ren, Guang-Ming 1 ; Shao, Yi-Zhi 1 ; Lu, Tong-Yan 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fishery Res Inst, Harbin 150070, Peoples R China

2.Key Lab Aquat Anim Dis & Immune Technol Heilongji, Harbin 150070, Peoples R China

关键词： Infectious hematopoietic necrosis virus; Autophagy; Viral glycoprotein; Antiviral response

期刊名称：AQUACULTURE （ 影响因子：3.224； 五年影响因子：3.591 ）

ISSN： 0044-8486

年卷期： 2021 年 540 卷

页码：

收录情况： SCI

摘要： Infectious hematopoietic necrosis virus (IHNV) is the main pathogen threatening the aquaculture used by the salmonid industry worldwide. Our previous study showed that IHNV infection induced autophagy activation in epithelioma papulosum cyprinid (EPC) cells, but the relationship between IHNV infectivity and autophagy induction had not yet been addressed. To investigate this question, IHNV was inactivated by ultraviolet (UV) irradiation and the complete protein sequence of IHNV glycoprotein was segmented by pepscan into 43 peptides. The induction of autophagy was analyzed by transmission electron microscopy, confocal fluorescence microscopy, flow cytometry, and western blotting. The results show that UV-inactivated IHNV and viral glycoprotein can induce autophagosome formation, obvious punctate clusters of LC3-II and an elevated LC3-II to LC3-I ratio. All these results suggested that UV-inactivated IHNV and viral glycoprotein can induce autophagy independently of viral infectivity. The flow cytometry and western blotting results show that EPC cells treated with peptide p108 displayed an obvious induction of autophagy (LC3-II increased by approximately 2.5-fold). The cells pretreated with peptide p108 showed a significant inhibition of intracellular viral mRNA replication levels and extracellular viral yields of IHNV. These results suggest that peptide p108 could be a promising drug for use in IHNV prevention, and they lay a new foundation for anti-IHNV drug development.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：中国水产科学研究院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台