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Rescue of Recombinant Zika Virus from a Bacterial Artificial Chromosome cDNA Clone
Published on: June 24, 2019
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Reverse Genetics of Zika Virus
Chao Shan1, Xuping Xie1, Pei-Yong Shi2
1Departments of Biochemistry & Molecular Biology and Pharmacology & Toxicology, and Sealy Center for Structural Biology & Molecular Biophysics, University of Texas Medical Branch, Galveston, TX, 77555, USA.
Methods in Molecular Biology (Clifton, N.J.)
|May 17, 2017
Summary
Researchers developed a reverse genetic system for Zika virus (ZIKV) by creating a stable cDNA clone. This system enables the study of ZIKV replication and pathogenesis.
Area of Science:
- Virology
- Molecular Biology
- Genetics
Background:
- Zika virus (ZIKV) poses a significant global health threat.
- Reverse genetics systems are crucial for studying viral replication and developing countermeasures.
- Existing ZIKV reverse genetics systems may have limitations in stability or efficiency.
Purpose of the Study:
- To establish a robust and stable reverse genetic system for Zika virus (ZIKV).
- To enable efficient in vitro transcription and generation of authentic viral RNA.
- To facilitate future studies on ZIKV pathogenesis and antiviral development.
Main Methods:
- Construction and assembly of five shuttle plasmids into a full-length ZIKV cDNA clone.
- Utilized a low-copy vector (pACYC177) and unique restriction sites for clone stability.
- Engineered a T7 promoter for in vitro transcription and a hepatitis delta virus ribozyme (HDVr) for authentic 3' end generation.
Main Results:
- Successfully established a stable full-length cDNA clone of the ZIKV genome.
- The engineered T7 promoter and HDVr sequence facilitated efficient RNA synthesis.
- The system is suitable for generating infectious ZIKV RNA transcripts.
Conclusions:
- The developed reverse genetic system provides a valuable tool for ZIKV research.
- This system will aid in understanding ZIKV biology and developing therapeutic strategies.
- Further studies can utilize this system to investigate ZIKV-host interactions and vaccine development.
