Definition of repressor in English:

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repressor

Pronunciation: /rəˈpresər/

noun

Biochemistry
A substance that acts on an operon to inhibit messenger RNA synthesis.
Example sentences
  • Complex interactions of receptor and partner Smad with inhibitory Smad, coactivators or repressors, and regulatory proteins ultimately determine the wide range of activation or inhibition of TGF—dependent gene expression.
  • The major outcomes were that anxiety level did affect both attention and retention and repressors were not inhibited in their processing of emotional words.
  • According to the first proposed mechanism, the repressor substance, probably an RNA-binding destabilizing protein, acts not directly on the Makorin1 gene but upon the mRNA that is transcribed by the gene.
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