transcription factor
noun
: any of various proteins that bind to DNA and play a role in the regulation of gene expression by promoting transcription
Examples of transcription factor in a Sentence
Recent Examples on the Web
Puri and the team see their findings as an opportunity to expand ideas about how transcription factors operate.
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Ashley MacKin Solomon, San Diego Union-Tribune, 16 Aug. 2025
The team evolved a transcription factor—a protein that activates the expression of a gene target—with mutations only beneficial in mammalian cells, not bacteria.
—IEEE Spectrum, 27 July 2025
Indole is known to regulate the gut’s immune response by activating the transcription factor aryl hydrocarbon receptor (AhR).
—New Atlas, 3 Aug. 2025
The original process involved a set of four genes that code for proteins called transcription factors.
—Michael Irving, New Atlas, 14 Mar. 2025
See All Example Sentences for transcription factor
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Ashley MacKin Solomon, San Diego Union-Tribune, 16 Aug. 2025
The team evolved a transcription factor—a protein that activates the expression of a gene target—with mutations only beneficial in mammalian cells, not bacteria.
—IEEE Spectrum, 27 July 2025
Indole is known to regulate the gut’s immune response by activating the transcription factor aryl hydrocarbon receptor (AhR).
—New Atlas, 3 Aug. 2025
The original process involved a set of four genes that code for proteins called transcription factors.
—Michael Irving, New Atlas, 14 Mar. 2025
See All Example Sentences for transcription factor
Cite this Entry
“Transcription factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transcription%20factor. Accessed 30 Aug. 2025.
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