Promoter (genetics) - Wikipedia
In genetics, a promoter is a sequence of DNA to which proteins bind to initiate transcription of a single RNA transcript from the DNA downstream of the promoter. The RNA transcript may …
Promoter - National Human Genome Research Institute
1 day ago · A promoter, as related to genomics, is a region of DNA upstream of a gene where relevant proteins (such as RNA polymerase and transcription factors) bind to initiate …
Promoters - Addgene
Oct 22, 2025 · A promoter is a region of DNA where transcription of a gene is initiated. Promoters are a vital component of expression vectors because they control the binding of the RNA …
16.6: Eukaryotic Gene Regulation - The Promoter and the …
The purpose of the promoter is to bind transcription factors that control the initiation of transcription. The promoter region can be short or quite long; the longer the promoter is, the …
What is a promoter in biology? - California Learning Resource …
Mar 4, 2025 · A promoter isn’t simply a random stretch of DNA; it’s a specific, recognizable sequence that acts as a landing pad for RNA polymerase and associated transcription factors.
promoter | Learn Science at Scitable - Nature
Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase begins. Promoter sequences are typically located directly upstream or at the 5' …
What Are Promoters and How Do They Regulate Genes?
Jul 28, 2025 · A promoter acts as a designated “start signal” or a “landing pad” on the DNA molecule, marking the precise location where cellular machinery should begin reading a gene. …
Promoters in Genetics: Initiating and Regulating Gene Expression
Mar 3, 2025 · Key Summary: A promoter is a DNA sequence that controls gene expression. The promoter tells the RNA polymerase where the begin and allows the enzyme to attach to the …
What is a promoter region and what does it do?
May 27, 2025 · A promoter region is a sequence of DNA located upstream of a gene's coding sequence. It acts as a binding site for RNA polymerase and other transcription factors …
Promoter Definition - Cell Biology Key Term | Fiveable
A promoter is a specific DNA sequence located upstream of a gene that serves as the binding site for RNA polymerase and other transcription factors to initiate transcription.