期刊
VETERINARY RESEARCH
卷 52, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s13567-021-00966-2
关键词
Flavivirus; capsid protein; ecapsidation; vaccine; therapeutic
资金
- National Natural Science Foundation of China [31872475]
- Sichuan Veterinary Medicine and Drug Innovation Group of China Agricultural Research System (CARS-SVDIP)
- China Agricultural Research System [CARS-42-17]
Flaviviruses are enveloped single positive-stranded RNA viruses, with their structural protein C playing a crucial role in the viral life cycle, including encapsulating viral RNA and interacting with host proteins to promote virus proliferation. A better understanding of the function of the C protein can lead to the discovery of novel antiviral strategies.
Flaviviruses are enveloped single positive-stranded RNA viruses. The capsid (C), a structural protein of flavivirus, is dimeric and alpha-helical, with several special structural and functional features. The functions of the C protein go far beyond a structural role in virions. It is not only responsible for encapsidation to protect the viral RNA but also able to interact with various host proteins to promote virus proliferation. Therefore, the C protein plays an important role in infected host cells and the viral life cycle. Flaviviruses have been shown to affect the health of humans and animals. Thus, there is an urgent need to effectively control flavivirus infections. The structure of the flavivirus virion has been determined, but there is relatively little information about the function of the C protein. Hence, a greater understanding of the role of the C protein in viral infections will help to discover novel antiviral strategies and provide a promising starting point for the further development of flavivirus vaccines or therapeutics.
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