: one that repressesespecially: a protein that is determined by a regulatory gene, binds to a genetic operator, and inhibits the initiation of transcription of messenger RNA
Examples of repressor in a Sentence
Recent Examples on the WebNetanyahu is on trial for corruption and heads a state that is widely seen as a repressor of Palestinian rights.
Tracy Wilkinson Staff Writer, Los Angeles Times, 26 May 2021 The researchers enhanced this silencing effect by hitching Cas9 to a repressor, another protein that inhibits gene expression.
Kelly Servick, Science | AAAS, 10 Mar. 2021 But no one had identified a full activator-repressor system involved in periodic pigmentation patterns.
Elizabeth Pennisi, Science | AAAS, 29 Aug. 2019 The cycle at the center of it—from gene activators to repressors and back—is highly regulated.
John Timmer, Ars Technica, 2 Oct. 2017
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'repressor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.