1. In psychotherapy, the active process or defense mechanism of keeping out and ejecting, banishing from consciousness, ideas or impulses that are unacceptable to it. 2. Decreased expression of some gene product. [L. re-primo, pp. -pressus, to press back, repress]
catabolite r. the decreased expression of an operon due to elevated levels of a catabolite of a biochemical pathway.
end product r. catabolite r. in which the catabolite is an end product of a particular pathway.
enzyme r. inhibition of enzyme synthesis by some metabolite.
primal r. r. of material never in conscious thought.
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