On the "red" character of a mutant of Newcastle disease virus (NDV).
D001120:Arginine / Q000378:metabolism; D002247:Carbon Isotopes; D003588:Cytopathogenic Effect, Viral; D009154:Mutation; D009522:Newcastle disease virus / Q000032:analysis / Q000276:immunology / Q000378:metabolism; D010641:Phenotype / Q000187:drug effects; D010649:Phenylalanine / Q000494:pharmacology; D013194:Staining and Labeling; D014170:Transformation, Genetic; D014764:Viral Proteins / Q000096:biosynthesis
D002247:Carbon Isotopes; D014764:Viral Proteins; D010649:Phenylalanine; D001120:Arginine