title: Genetic and physical evidence for the polarity of transcription of the thymidine kinase gene of herpes simplex virus.
mesh_terms: D004279:DNA, Viral / Q000235:genetics; D015870:Gene Expression; D005814:Genes, Viral; D009154:Mutation; D014176:Protein Biosynthesis; D011995:Recombination, Genetic; D018139:Simplexvirus / Q000201:enzymology / Q000235:genetics*; D013937:Thymidine Kinase / Q000096:biosynthesis / Q000235:genetics*
chemical_list: D004279:DNA, Viral; D013937:Thymidine Kinase