title: Comparison of nitrate reductase mutants of Escherichia coli selected by alternative procedures.
mesh_terms: D002704:Chlorates; D002874:Chromosome Mapping; D004926:Escherichia coli / Q000201:enzymology*; D005561:Formates; D005827:Genetics, Microbial; D008967:Molecular Biology; D009154:Mutation; D009566:Nitrates; D010088:Oxidoreductases / Q000378:metabolism*
chemical_list: D002704:Chlorates; D005561:Formates; D009566:Nitrates; D010088:Oxidoreductases