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Published on: January 7, 2019
CRISPR/Cas9-Advancing Orthopoxvirus Genome Editing for Vaccine and Vector Development
Arinze Okoli1, Malachy I Okeke2, Morten Tryland3,4
1Biosafety of Genome Editing Research Group, GenØk-Centre for Biosafety, Siva Innovation Centre, N-9294 Tromsø, Norway. arinze.okoli@genok.no.
The clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 system offers precise virus genome editing, advancing the development of safer and more effective orthopoxvirus (OPXV) vaccines and vectors. This technology overcomes key challenges in creating stable and immunogenic OPXV-based biologics.
Area of Science:
- Molecular Biology
- Virology
- Biotechnology
Background:
- CRISPR/Cas9 technology offers efficient, specific, and versatile genome editing.
- It is superior to TALENs and ZFNs for virus genome editing.
- Current applications include constructing viral mutants and inhibiting viral replication.
Purpose of the Study:
- To review CRISPR/Cas9 applications in virus genome editing.
- To discuss CRISPR/Cas9's potential in advancing orthopoxvirus (OPXV)-based vaccines and vectors.
- To explore CRISPR/Cas9's role in combating clinical viruses and its limitations.
Main Methods:
- Literature review of CRISPR/Cas9 applications in virus genome editing.
- Analysis of CRISPR/Cas9's utility in orthopoxvirus (OPXV) genome manipulation.
- Discussion of current limitations and strategies for CRISPR/Cas9 optimization.
Main Results:
- CRISPR/Cas9 successfully adapted for Vaccinia virus genome editing.
- Potential for CRISPR/Cas9 in editing other OPXV strains for vaccine development.
- CRISPR/Cas9 addresses hindrances like immunogenicity, instability, and biosafety concerns.
Conclusions:
- CRISPR/Cas9 is a revolutionary tool for virus genome editing.
- It holds significant promise for developing improved OPXV-based recombinant vaccines and vectors.
- Further research and strategies are needed to overcome CRISPR/Cas9 limitations.
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