Reprint of: Coronavirus reverse genetic systems: infectious clones and replicons.
Reprint of: Coronavirus reverse genetic systems: infectious clones and replicons.
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DOI:
10.1016/j.virusres.2014.09.006
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发表时间:
2014-12-19
期刊:
影响因子:
5
通讯作者:
Enjuanes L
中科院分区:
文献类型:
--
作者:
Almazán F;Sola I;Zuñiga S;Marquez-Jurado S;Morales L;Becares M;Enjuanes L
The four different reverse genetic systems developed for CoVs are reviewed and discussed. These systems were based on the use of BACs, in vitro ligation and vaccinia virus as a vector. CoV reverse genetics is an essential tool for the study of CoV replication, virus–host interaction and pathogenesis. These reverse genetic systems allow the development of genetically defined vaccines and the analysis of antiviral drugs. Coronaviruses (CoVs) infect humans and many animal species, and are associated with respiratory, enteric, hepatic, and central nervous system diseases. The large size of the CoV genome and the instability of some CoV replicase gene sequences during its propagation in bacteria, represent serious obstacles for the development of reverse genetic systems similar to those used for smaller positive sense RNA viruses. To overcome these limitations, several alternatives to more conventional plasmid-based approaches have been established in the last 13 years. In this report, we briefly review and discuss the different reverse genetic systems developed for CoVs, paying special attention to the severe acute respiratory syndrome CoV (SARS-CoV).
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