Transcription factors
Transcription factors are proteins encoded by regulatory genes that function by influencing the rate of transcription.
Mechanism of action[edit | edit source]
Transcription factors are specific proteins that influence the rate of transcription of genetic information from DNA to messenger RNA, by binding to a specific DNA sequence.
Gene regulation via transcription factors[edit | edit source]
Gene regulation can occur at any point during gene expression. However, it most commonly occurs at the level of transcription.
Environmental influence[edit | edit source]
- When signals from the environment or from other cells activate proteins called transcription factors.
- These proteins are called transcription factors which bind to regulatory regions of a gene.
- This process in turn can increase or decrease the level of transcription.
- Transcription factors control the amount of protein made by a gene.
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