title: Beta-galactosidase gene fusions for analyzing gene expression in escherichia coli and yeast.
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D003001:Cloning, Molecular; D004262:DNA Restriction Enzymes; D004926:Escherichia coli / Q000201:enzymology / Q000235:genetics*; D005696:Galactosidases / Q000235:genetics*; D005796:Genes; D005838:Genotype; D009876:Operon; D012441:Saccharomyces cerevisiae / Q000201:enzymology / Q000235:genetics*; D001616:beta-Galactosidase / Q000235:genetics*
chemical_list: D004262:DNA Restriction Enzymes; D005696:Galactosidases; D001616:beta-Galactosidase