title: Cold sensitive mutant of Escherichia coli with altered RNA polymerase.
mesh_terms: D002250:Carbon Radioisotopes; D003080:Cold Temperature; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology*; D005838:Genotype; D009154:Mutation; D010641:Phenotype; D012329:RNA, Bacterial / Q000096:biosynthesis; D014161:Transduction, Genetic
chemical_list: D002250:Carbon Radioisotopes; D012329:RNA, Bacterial; D012321:DNA-Directed RNA Polymerases