title: A temperature-sensitive Escherichia coli mutant defective in DNA replication: dnaN, a new gene adjacent to the dnaA gene.
mesh_terms: D002874:Chromosome Mapping; D004261:DNA Replication; D004250:DNA Topoisomerases, Type II / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D005796:Genes; D006358:Hot Temperature; D009154:Mutation; D010641:Phenotype; D010957:Plasmids; D009626:Terminology as Topic
chemical_list: D004250:DNA Topoisomerases, Type II