regulon
nounUK /ˈrɛɡjʊlɒn/
US /ˈrɛɡjəˌlɑn/
A group of genes that work together and are controlled by the same switch.
The bacterium's regulon turned on all at once when sugar became available.
OTHER MEANINGS
2. A collection of operons or genes regulated by a shared regulatory protein.
The arginine regulon includes many genes scattered across the chromosome.
3. In genetics, a coordinated network of gene expression under one control system.
Researchers mapped the regulon to understand how the microbe responds to stress.
4. A functional module of genes that respond together to environmental signals.
The iron-starvation regulon helps the cell scavenge scarce nutrients.