Establishment of Canine RNA Polymerase I-Driven Reverse Genetics for Influenza A Virus: Its Application for H5N1 Vaccine Production

Author:

Murakami Shin1,Horimoto Taisuke12,Yamada Shinya12,Kakugawa Satoshi12,Goto Hideo12,Kawaoka Yoshihiro1324

Affiliation:

1. Division of Virology, Department of Microbiology and Immunology

2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, Saitama, Japan

3. International Research Center for Infectious Diseases, Institute of Medical Science, University of Tokyo, Tokyo, Japan

4. Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin

Abstract

ABSTRACT In the event of a new influenza pandemic, vaccines whose antigenicities match those of circulating strains must be rapidly produced. Here, we established an alternative reverse genetics system for influenza virus using the canine polymerase I (PolI) promoter sequence that works efficiently in the Madin-Darby canine kidney cell line, a cell line approved for human vaccine production. Using this system, we were able to generate H5N1 vaccine seed viruses more efficiently than can be achieved with the current system that uses the human PolI promoter in African green monkey Vero cells, thus improving pandemic vaccine production.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

Reference22 articles.

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2. de Wit, E., M. I. Spronken, G. Vervaet, G. F. Rimmelzwaan, A. D. Osterhaus, and R. A. Fouchier. 2007. A reverse-genetics system for influenza A virus using T7 RNA polymerase. J. Gen. Virol.88:1281-1287.

3. Rescue of Influenza A Virus from Recombinant DNA

4. Govorkova, E. A., S. Kodihalli, I. V. Alymova, B. Fanget, and R. G. Webster. 1999. Growth and immunogenicity of influenza viruses cultivated in Vero or MDCK cells and in embryonated chicken eggs. Dev. Biol. Stand.98:39-51, 73-74.

5. Halperin, S. A., B. Smith, T. Mabrouk, M. Germain, P. Trepanier, T. Hassell, J. Treanor, R. Gauthier, and E. L. Mills. 2002. Safety and immunogenicity of a trivalent, inactivated, mammalian cell culture-derived influenza vaccine in healthy adults, seniors, and children. Vaccine20:1240-1247.

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