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Recent Advances in Bunyavirus Reverse Genetics Research: Systems Development, Applications, and Future Perspectives
Fuli Ren1,2,3, Shu Shen2,3, Qiongya Wang1
1Research Center for Translational Medicine, Wuhan Jinyintan Hospital, Wuhan, China.
Frontiers in Microbiology
|December 24, 2021
Summary
Reverse genetics systems like minigenome and infectious virus-like particle are crucial for studying bunyaviruses, enabling research on viral pathogenesis and the development of new antivirals.
Area of Science:
- Virology
- Molecular Biology
- Public Health
Background:
- Bunyavirales is the largest order of RNA viruses, encompassing numerous emerging and re-emerging viruses that infect diverse hosts globally.
- Bunyaviruses pose significant public health threats, necessitating a deeper understanding of their life cycles for vaccine and antiviral development.
- High biocontainment requirements for studying pathogenic bunyaviruses have historically hindered research.
Purpose of the Study:
- To review the current knowledge on reverse genetics studies of bunyaviruses.
- To highlight the utility of reverse genetics tools in understanding bunyavirus replication and pathogenesis.
- To provide insights for the development of novel antiviral strategies against bunyaviruses.
Main Methods:
- Minigenome (MG) systems for studying viral transcription and replication.
- Infectious virus-like particle (iVLP) systems for analyzing viral entry and budding.
- Infectious full-length clone (IFLC) systems for generating recombinant viruses.
Main Results:
- Reverse genetics systems (MG, iVLP, IFLC) have been successfully developed for key bunyaviruses.
- These systems allow manipulation of viral genomes under lower biocontainment levels.
- They are powerful tools for investigating viral replication, host interactions, and pathogenesis.
Conclusions:
- Reverse genetics approaches are essential for advancing bunyavirus research.
- Understanding bunyavirus molecular mechanisms through these tools aids in developing targeted antivirals.
- This review consolidates knowledge to facilitate future bunyavirus studies and therapeutic interventions.
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