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Published in: Virology Journal 1/2013

Open Access 01-12-2013 | Short report

Development and characterization of the replicon system of Japanese encephalitis live vaccine virus SA14-14-2

Authors: Shi-Hua Li, Xiao-Feng Li, Hui Zhao, Yong-Qiang Deng, Xue-Dong Yu, Shun-Ya Zhu, Tao Jiang, Qing Ye, E-De Qin, Cheng-Feng Qin

Published in: Virology Journal | Issue 1/2013

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Abstract

Background

Viral self-replicating sub-genomic replicons represent a powerful tool for studying viral genome replication, antiviral screening and chimeric vaccine development. Many kinds of flavivirus replicons have been developed with broad applications.

Findings

The replicon system of JEV live vaccine strain SA14-14-2 was successfully developed in this study. Two kinds of replicons that express enhanced green fluorescent protein (EGFP) and Renilla luciferase (R.luc) were constructed under the control of SP6 promoter, respectively. Robust EGFP and R.luc signals could be detected in the replicon-transfected BHK-21 cells. Furthermore, the potential effects of selected amino acids in the C-terminal of envelope protein on replication were characterized using the replicon system.

Conclusions

Our results provide a useful platform not only for the study of JEV replication, but also for antiviral screening and chimeric vaccine development.
Appendix
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Metadata
Title
Development and characterization of the replicon system of Japanese encephalitis live vaccine virus SA14-14-2
Authors
Shi-Hua Li
Xiao-Feng Li
Hui Zhao
Yong-Qiang Deng
Xue-Dong Yu
Shun-Ya Zhu
Tao Jiang
Qing Ye
E-De Qin
Cheng-Feng Qin
Publication date
01-12-2013
Publisher
BioMed Central
Published in
Virology Journal / Issue 1/2013
Electronic ISSN: 1743-422X
DOI
https://doi.org/10.1186/1743-422X-10-64

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Obesity Clinical Trial Summary

At a glance: The STEP trials

A round-up of the STEP phase 3 clinical trials evaluating semaglutide for weight loss in people with overweight or obesity.

Developed by: Springer Medicine

Highlights from the ACC 2024 Congress

Year in Review: Pediatric cardiology

Watch Dr. Anne Marie Valente present the last year's highlights in pediatric and congenital heart disease in the official ACC.24 Year in Review session.

Year in Review: Pulmonary vascular disease

The last year's highlights in pulmonary vascular disease are presented by Dr. Jane Leopold in this official video from ACC.24.

Year in Review: Valvular heart disease

Watch Prof. William Zoghbi present the last year's highlights in valvular heart disease from the official ACC.24 Year in Review session.

Year in Review: Heart failure and cardiomyopathies

Watch this official video from ACC.24. Dr. Biykem Bozkurt discusses last year's major advances in heart failure and cardiomyopathies.