title: Gene cloning and mutant isolation of subunits of RNA polymerases in the yeast Saccharomyces cerevisiae.
mesh_terms: D000483:Alleles; D003001:Cloning, Molecular; D012321:DNA-Directed RNA Polymerases / Q000235:genetics*; D005796:Genes; D005800:Genes, Fungal; D046911:Macromolecular Substances; D009154:Mutation; D010957:Plasmids; D012441:Saccharomyces cerevisiae / Q000201:enzymology / Q000235:genetics*
chemical_list: D046911:Macromolecular Substances; D012321:DNA-Directed RNA Polymerases