RNA polymerase from tobacco necrosis virus infected and uninfected tobacco. Purification of the membrane-associated enzyme.

Ammonium Sulfate Cell-Free System Centrifugation, Density Gradient Chemical Fractionation Molecular Weight Plant Viruses/growth & development Plants, Toxic Polyethylene Glycols Polynucleotides/metabolism RNA Nucleotidyltransferases/isolation & purification RNA, Viral/metabolism RNA-Dependent RNA Polymerase/analysis,isolation & purification,metabolism Satellite Viruses/growth & development Solubility Templates, Genetic Tobacco/enzymology

Polynucleotides RNA, Viral Polyethylene Glycols RNA Nucleotidyltransferases RNA-Dependent RNA Polymerase Ammonium Sulfate