Translation and Regulation
Negative regulation of protein synthesis is accomplished by

the binding of RNA polymerase to the promoter
allosteric inhibition
the binding of a repressor to the RNA polymerase
the binding of a repressor to the DNA

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Translation and Regulation
A quorum sensing system

consists of a sensor component that phosphorylates a regulatory protein
senses a compound produced by the bacterium itself
controls the activity of ribosomes directly
detects a signal from the external environment

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