regulatory gene

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Related to regulatory gene: operon
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Noun1.regulatory 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
gène de régulation
References in periodicals archive ?
Agriculture and Agri - Food Canada (Canada) has patented the use of a regulatory gene Lc and encoded protein to alter the biosynthesis and accumulation of flavonoids including anthocyanins and condensed tannins in plants and plant tissues, particularly in alfalfa, white clover, and other forage legumes which are similar in lacking native condensed tannin accumulation in leaves.
FoxA1 therefore should be studied in more detail in experimental systems and animal models as it may be a major growth regulatory gene in luminal type breast cancer.
According to this divergence model, one or a few ancestral "eye genes," for example the regulatory gene Pax6, evolved in the ancestral bilateria, resulting in the first eyespot.
Both led to decreases in expression of the Wnt7a regulatory gene and showed qualitative changes in uterine development like those described above.
AVI-4126 is a third-generation antisense agent that targets the key regulatory gene involved in cardiovascular restenosis, the transcription factor referred to as c-myc.
Nef: an HIV regulatory gene that plays a major role in viral pathogenesis; the Nef protein has numerous effects including protecting infected host cells from apoptosis (see above) and altering cell receptor expression and distribution.
Mutants complementing all control strains would indicate an altered regulatory gene.
According to a study presented in the April 1 issue of Cancer(2000;88:1 650-1 662), scientists have found that a modified vaccinia virus carrying the bovine papillomavirus E2 regulatory gene reduces the growth of human cervical cancer cells and increases the life expectancy in nude mice.
That can result in mutations to a critical regulatory gene, known as p53, that normally stops cells from proliferating into cancer.
It was based on the likelihood that apomixis was a regulatory gene that switches on early in the sequence of genetic events that normally ensues when a pollen grain fertilises an ovum.
The dorsoventral regulatory gene cassette spatzle/Toll/cactus controls the potent antifungal response in Drosophila adults.
Polymerase chain reaction (PCR)-amplification with a thermal cycler (MJ Research PTC--200-DNA Engine, San Francisco, CA) was used to obtain a 2,122 base pair gene fragment consisting of the carbapenemase structural gene nmcA and its regulatory gene nmcR (12,13).

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