The effect of urea on the expression of the cysteine regulon.
Urea inhibits the expression of those cysteine genes which are regulated by the cysB gene products. It has no effect, however, on the constitutively expressed cysE gene.
D003545:Cysteine / Q000235:genetics*; D004305:Dose-Response Relationship, Drug; D004926:Escherichia coli / Q000235:genetics*; D005786:Gene Expression Regulation / Q000187:drug effects; D009876:Operon; D014508:Urea / Q000494:pharmacology*; D001616:beta-Galactosidase / Q000235:genetics
D014508:Urea; D001616:beta-Galactosidase; D003545:Cysteine