transcription factor

noun
|Updated on: 17 Jul 2018

Definition of transcription factor

: any of various proteins that bind to DNA and play a role in the regulation of gene expression by promoting transcription

Recent Examples of transcription factor from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transcription factor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of transcription factor

1972

in the meaning defined above

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Medical Dictionary

transcription factor

noun

medical Definition of transcription factor

: any of various proteins that bind to DNA and play a role in the regulation of gene expression by promoting transcription

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