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A gene that causes the production of a protein that regulates or suppresses the activity of one or more structural genes. Also called regulator, regulatory gene.
any gene that exercises control over the expression of another gene or genes.
[translation of French régulateur (1959)]
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|Noun||1.||regulator gene - a gene that produces a repressor substance that inhibits an operator gene|
cistron, gene, factor - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
operon - a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene