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. 1981 Jan;37(1):500–505. doi: 10.1128/jvi.37.1.500-505.1981

Translation of black beetle virus RNA and heterologous viral RNAs in cell-free lysates derived from Drosophila melanogaster.

L A Guarino, D E Hruby, L A Ball, P Kaesberg
PMCID: PMC171029  PMID: 6783766

Abstract

A cell-free protein synthesizing system was prepared from cells of Drosophila melanogaster line 1 and made mRNA dependent by treatment with micrococcal nuclease. The system was tested with homologous RNA from black beetle virus propagated in Drosophila cells, with Drosophila heat shock mRNA, and with various heterologous viral mRNA's. Under optimal conditions amino acid incorporation programmed with black beetle virus RNAs was 30-fold higher than endogenous incorporation. RNAs 1 and 2 primarily directed the synthesis of proteins with approximately molecular weights of 120,000 and 46,000, respectively. mRNA's, prepared by transcription from vesicular stomatitis virus or vaccinia virus, were translated efficiently and yielded products that comigrated with authentic viral proteins. Brome mosaic virus RNA and encephalomyocarditis virus RNA were translated poorly. The system retained full activity after freezing.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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