title: Changes in specificity of suppression in transfer ribonucleic acid mutants.
mesh_terms: D003090:Coliphages; D003433:Crosses, Genetic; D004355:Drug Stability; D004926:Escherichia coli / Q000201:enzymology / Q000378:metabolism*; D005696:Galactosidases / Q000378:metabolism; D006358:Hot Temperature; D009154:Mutation; D009604:Nitrosoguanidines; D010641:Phenotype; D012329:RNA, Bacterial / Q000378:metabolism*; D012343:RNA, Transfer / Q000378:metabolism*; D011995:Recombination, Genetic; D013489:Suppression, Genetic
chemical_list: D009604:Nitrosoguanidines; D012329:RNA, Bacterial; D012343:RNA, Transfer; D005696:Galactosidases