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Science 13 December 1991:
Vol. 254. no. 5038, pp. 1647 - 1651
DOI: 10.1126/science.1661029

Articles

Science, Vol 254, Issue 5038, 1647-1651
Copyright © 1991 by American Association for the Advancement of Science


articles

Cell-free, de novo synthesis of poliovirus

A Molla, AV Paul, and E Wimmer

Department of Microbiology, School of Medicine, State University of New York, Stony Brook 11794.

Cell-free translation of poliovirus RNA in an extract of uninfected human (HeLa) cells yielded viral proteins through proteolysis of the polyprotein. In the extract, newly synthesized proteins catalyzed poliovirus-specific RNA synthesis, and formed infectious poliovirus de novo. Newly formed virions were neutralized by type-specific antiserum, and infection of human cells with them was prevented by poliovirus receptor-specific antibodies. Poliovirus synthesis was increased nearly 70-fold when nucleoside triphosphates were added, but it was abolished in the presence of inhibitors of translation or viral genome replication. The ability to conduct cell-free synthesis of poliovirus will aid in the study of picornavirus proliferation and in the search for the control of picornaviral disease.


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   Abstract »    Full Text »
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R. Bolten, D. Egger, R. Gosert, G. Schaub, L. Landmann, and K. Bienz (1998)
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rRNA complementarity within mRNAs: A possible basis for mRNA-ribosome interactions and translational control.
P. Tranque, M. C.-Y. Hu, G. M. Edelman, and V. P. Mauro (1998)
PNAS 95, 12238-12243
   Abstract »    Full Text »    PDF »
Brefeldin A Inhibits Cell-Free, De Novo Synthesis of Poliovirus.
A. Cuconati, A. Molla, and E. Wimmer (1998)
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J. Virol. 72, 6699-6709
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Switch from translation to RNA replication in a positive-stranded RNA virus.
A. V. Gamarnik and R. Andino (1998)
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Coding Sequences Enhance Internal Initiation of Translation by Hepatitis A Virus RNA In Vitro.
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In Vitro Packaging of Adeno-Associated Virus DNA.
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