derepression


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derepression

[dē·ri′presh·ən]
(microbiology)
Transfer of microbial cells from an enzyme-repressing medium to a nonrepressing medium.
(cell and molecular biology)
Increased production of a gene product due to interference with the action of a repressor on the operator portion of the operon.
References in periodicals archive ?
Pb stimulates delta-aminolevulinic acid synthetase (ALAS), through feedback derepression, with a threshold in human leukocytes at a blood Pb of about 40 [micro]g/dl.
Derepression of tumor suppressor genes can lead to reversal of malignant cell behavior in vitro, and may be associated with a clinical effect in cancer patients.
McKenney DJ, Drury CF, Wang SW (2001) Effects of oxygen on denitrification, repression, and derepression in soil columns.
3] CAUSE DEREPRESSION OF TELOMERIC SILENCING IN SACCHAROMYCES CEREVISIAE
Longer anti-miRs to miR-122 were more effective than shorter anti-miRs as measured by target gene derepression and impact on cholesterol levels (anti-miR-122 has been shown to reduce levels of LDL cholesterol).