RNA-synthesizing enzymes in healthy and TMV-infected tobacco leaves. Partial purification and characterization to tobacco polynucleotide phosphorylase.

Centrifugation, Density Gradient Chromatography, Gel Chromatography, Ion Exchange Hydrogen-Ion Concentration Kinetics Magnesium/pharmacology Manganese/pharmacology Molecular Weight Phosphorus Radioisotopes Plants/drug effects Plants, Toxic Polyamines/pharmacology Polyribonucleotide Nucleotidyltransferase/isolation & purification,metabolism Putrescine/pharmacology RNA/biosynthesis RNA, Viral/biosynthesis Spectrophotometry, Ultraviolet Spermidine/pharmacology Spermine/pharmacology Time Factors Tobacco/drug effects,enzymology Tobacco Mosaic Virus/drug effects,enzymology Transcription, Genetic Ultracentrifugation

Phosphorus Radioisotopes Polyamines RNA, Viral Spermine Manganese RNA Polyribonucleotide Nucleotidyltransferase Magnesium Spermidine Putrescine