title: Evidence for involvement of an RNA primer in initiation of strong-stop plus DNA synthesis during reverse transcription in vitro.
abstract: Employing enzymatic reactions in vitro, we have identified the presence of oligoribonucleotides at the 5' end of strong-stop plus [(+)] DNA. Similar results were obtained whether the strong-stop (+) DNA was synthesized by preparations of detergent-disrupted avian sarcoma virus or reconstructed reactions containing purified reverse transcriptase and a template that mimics the purported natural template for strong-stop (+) DNA synthesis. The latter reactions provide a system to delineate more precisely the discrete requirements necessary for the initiation and synthesis of this species of (+) DNA.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000201:enzymology / Q000235:genetics*; D002478:Cells, Cultured; D002642:Chick Embryo; D003001:Cloning, Molecular; D003090:Coliphages / Q000235:genetics; D004261:DNA Replication; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000235:genetics*; D005347:Fibroblasts / Q000378:metabolism; D007700:Kinetics; D010957:Plasmids; D012367:RNA, Viral / Q000235:genetics; D012194:RNA-Directed DNA Polymerase / Q000378:metabolism*; D013698:Templates, Genetic
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral; C041124:strong-stop DNA; D012194:RNA-Directed DNA Polymerase; D004262:DNA Restriction Enzymes