title: Morphogenesis of poliovirus 3. Formation of provirion in cell-free extracts.
abstract: Formation of an apparent virion precursor, the provirion, can be demonstrated in cytoplasmic extracts of poliovirus-infected HeLa cells.
mesh_terms: D002250:Carbon Radioisotopes; D002474:Cell-Free System; D002499:Centrifugation, Density Gradient; D003609:Dactinomycin / Q000494:pharmacology; D006367:HeLa Cells; D006801:Humans; D007930:Leucine / Q000378:metabolism; D017955:Poliovirus / Q000187:drug effects*; D012367:RNA, Viral / Q000032:analysis; D013395:Sucrose; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism; D014764:Viral Proteins / Q000032:analysis
chemical_list: D002250:Carbon Radioisotopes; D012367:RNA, Viral; D014764:Viral Proteins; D014316:Tritium; D003609:Dactinomycin; D013395:Sucrose; D007930:Leucine; D014529:Uridine