title: RNA-dependent RNA polymerases from healthy and tobacco necrosis virus-infected Phaseolus aureus: assay of localization in fractions of cellular homogenates.
mesh_terms: D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D012321:DNA-Directed RNA Polymerases / Q000032:analysis*; D010942:Plant Viruses / Q000201:enzymology*; D010944:Plants / Q000201:enzymology*; D010947:Plants, Toxic; D013347:Subcellular Fractions / Q000201:enzymology; D014026:Nicotiana
chemical_list: D012321:DNA-Directed RNA Polymerases