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Viruses 2016, 8(5), 127;

Applications of Replicating-Competent Reporter-Expressing Viruses in Diagnostic and Molecular Virology

State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, 427 Maduan Street, Harbin 150001, China
Department of Chemistry, College of Arts and Sciences, Georgia State University, Atlanta, GA 30302, USA
University of Karachi, Karachi 75270, Pakistan
Author to whom correspondence should be addressed.
Academic Editor: Luis Martinez-Sobrido
Received: 18 December 2015 / Revised: 31 March 2016 / Accepted: 29 April 2016 / Published: 6 May 2016
(This article belongs to the Special Issue Replication-Competent Reporter-Expressing Viruses)
Full-Text   |   PDF [224 KB, uploaded 6 May 2016]


Commonly used tests based on wild-type viruses, such as immunostaining, cannot meet the demands for rapid detection of viral replication, high-throughput screening for antivirals, as well as for tracking viral proteins or virus transport in real time. Notably, the development of replicating-competent reporter-expressing viruses (RCREVs) has provided an excellent option to detect directly viral replication without the use of secondary labeling, which represents a significant advance in virology. This article reviews the applications of RCREVs in diagnostic and molecular virology, including rapid neutralization tests, high-throughput screening systems, identification of viral receptors and virus-host interactions, dynamics of viral infections in vitro and in vivo, vaccination approaches and others. However, there remain various challenges associated with RCREVs, including pathogenicity alterations due to the insertion of a reporter gene, instability or loss of the reporter gene expression, or attenuation of reporter signals in vivo. Despite all these limitations, RCREVs have become powerful tools for both basic and applied virology with the development of new technologies for generating RCREVs, the inventions of novel reporters and the better understanding of regulation of viral replication. View Full-Text
Keywords: replicating-competent virus; reporter; high-throughput screening; molecular virology replicating-competent virus; reporter; high-throughput screening; molecular virology
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Li, Y.; Li, L.-F.; Yu, S.; Wang, X.; Zhang, L.; Yu, J.; Xie, L.; Li, W.; Ali, R.; Qiu, H.-J. Applications of Replicating-Competent Reporter-Expressing Viruses in Diagnostic and Molecular Virology. Viruses 2016, 8, 127.

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