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Expression of wound tumor virus gene products in vivo and in vitro


, : Expression of wound tumor virus gene products in vivo and in vitro. Journal of Virology 34(2): 532-541

Infection of Agallia constricta vector cell monolayers with wound tumor virus results in the synthesis of 12 virus-specific polypeptides. Confirmation that these polypeptides are virus encoded rather than virus induced was obtained by cell-free translation of in vitro synthesized viral mRNA. In addition, transcription by purified wound tumor virus particles was coupled with translation of the resulting transcripts in a wheat embryo cell-free extract. Six previously described structural polypeptides, one presumptive structural polypeptide, and five previously unidentified nonstructural polypeptides were synthesized in infected vector cell monolayers, in cell-free extracts directed by in vitro synthesized viral mRNA, and in the homologous plant cell-free system, in which viral transcription was coupled with translation. Pulse-chase experiments revealed no evidence of precursor-product relationships for the wound tumor virus-specific polypeptides.

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Accession: 005432434

PMID: 16789196

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