Cell-Free Synthesis of Encephalomyocarditis Virus

Author:

Svitkin Yuri V.1,Sonenberg Nahum1

Affiliation:

1. Department of Biochemistry and McGill Cancer Center, McGill University, Montreal, Quebec, Canada H3G 1Y6

Abstract

ABSTRACT We developed a system for complete replication of encephalomyocarditis virus (EMCV) in a test tube by using an in vitro translation extract from Krebs-2 cells. Efficient virus synthesis occurred in a narrow range of Mg 2+ and EMCV RNA concentrations. Excess input RNA impaired RNA replication and virus production but not translation. This suggests the existence of a negative-feedback mechanism for regulation of RNA replication by the viral plus-strand RNA or proteins.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

Reference38 articles.

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