repressor
1
9.0
- noun
- /rɪˈprɛsər/
- Specialized
:
represor
- When the repressor is absent, the genes required for cell division are expressed at high levels.
- repressor gene
Examples
-
The competition of Cro molecules with another protein, the Lambda repressor, for these same sites constitutes a genetic switch that regulates the transcriptional activity in bacteriophage Lambda.
Academic text (1995) -
Then a repressor protein that blocks the operating cells.
-
And this repressor goes up and binds to that.
-
The AhR repressor (AHRR) acts as a negative regulator of AhR activity, suppressing CYP1A1 transcription (Harper et al. 2006).
Academic text (2012) -
C1 is the repressor protein of the lambda bacteriophage, a virus that infects the bacterial species E. coli, and a common laboratory model for the study of gene transcription.
Blog text (21) -
For example, several A. baumannii strains contain a large conjugative plasmid that harbors many antibiotic resistance genes as well as repressors of the T6SS 110.
Academic text (2018) -
The repressor protein prevents the expression of specific genes in response to environmental signals.
-
A repressor can inhibit gene activity by binding to the DNA and blocking the transcription process.
Synonyms
46
6.0
A substance that slows down and can stop chemical reactions in the body or in a lab
19
6.0
A medicine that stops a chemical in the body from working to treat health problems
4
8.8
A gene that reduces the effects of another gene, often a harmful change
1
5.6
A gene that reduces the effect of a harmful mutated gene
A gene that makes a protein that stops other genes from turning on
A protein that attaches to another protein to help switch off certain genes
A gene that stops or reduces another gene from working
A gene that stops another gene from showing its effect
A person or thing that stops actions, feelings and genes from working
Antonyms
- Specialized
1
6.3
A substance that increases enzyme activity or makes genes produce more protein
Compounds
How Inhibitory
- Specialized
1
9.0
- Specialized
46
6.0
Surface Forms
Morphology
Etymology
The word repressor comes from the parts re- 'back' and press 'to press', the same root you see in press and pressure. So a repressor is something that 'presses back' to stop or lower an action, for example a gene repressor that prevents a gene from being turned on.