Carbon catabolite repression, or simply catabolite repression, is an important part of global control system of various bacteria and other micro-organisms. Catabolite repression allows bacteria to adapt quickly to a preferred (rapidly metabolisable) carbon and energy source first. This is usually achieved through inhibition of synthesis of enzymes involved in catabolism of carbon sources other than the preferred one. The catabolite repression was first shown to be initiated by glucose and therefore sometimes referred to as the glucose effect. However, the term "glucose effect" is actually a misnomer since other carbon sources are known to induce catabolite repression. Catabolite repression by the catabolite activator protein is a well-known example of a modulon.
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Famous quotes containing the word repression:
“People with a culture of poverty suffer much less from repression than we of the middle class suffer and indeed, if I may make the suggestion with due qualification, they often have a hell of a lot more fun than we have.”
—Brian Friel (b. 1929)