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Promoter (genetics) - Wikipedia
https://en.wikipedia.org/wiki/Promoter_(genetics)
WEBIn 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 encode a protein ( mRNA ), or can have a function in and of itself, such as tRNA or rRNA.
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Addgene: Promoters
https://www.addgene.org/mol-bio-reference/promoters/
WEBDefinition. 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 RNA polymerase to DNA. RNA polymerase transcribes DNA to mRNA which is ultimately translated into a functional protein.
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Promoter - National Human Genome Research Institute
https://www.genome.gov/genetics-glossary/Promoter
WEBApr 9, 2024 · Definition. 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 transcription of that gene. The resulting transcription produces an RNA molecule (such as mRNA).
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Stages of transcription - Khan Academy
https://www.khanacademy.org/science/biology/gene-expression-central-dogma/transcription-of-dna-into-rna/a/stages-of-transcription
WEBThe promoter region comes before (and slightly overlaps with) the transcribed region whose transcription it specifies. It contains recognition sites for RNA polymerase or its helper proteins to bind to. The DNA opens up in the promoter region so that RNA polymerase can begin transcription.
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Transcription factors (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/regulation-of-gene-expression-and-cell-specialization/a/eukaryotic-transcription-factors
WEBIt attaches at a spot called the promoter. In bacteria, RNA polymerase attaches right to the DNA of the promoter. You can see how this process works, and how it can be regulated by transcription factors, in the lac operon and trp operon videos. In humans and other eukaryotes, there is an extra step.
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11: Transcription: Promoters, terminators and mRNA - Biology …
https://bio.libretexts.org/Bookshelves/Genetics/Working_with_Molecular_Genetics_(Hardison)/Unit_III%3A_The_Pathway_of_Gene_Expression/11%3A_Transcription%3A_Promoters_terminators_and_mRNA
WEBJun 20, 2023 · C. Promoters and the Initiation of Transcription: General Properties. A promoter is the DNA sequence required for correct initiation of transcription; Phenotype of promoter mutants; a. cis‑acting: A cis-acting regulatory element functions as a segment of DNA to affect the expression of genes on the same chromosome that it is located on.
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promoter | Learn Science at Scitable - Nature
https://www.nature.com/scitable/definition/promoter-259/
WEBPromoter 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' end of...
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16.4.1: The Promoter and the Transcription Machinery - Biology …
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/16%3A_Control_of_Gene_Expression/16.04%3A_Eukaryotic_Regulation/16.4.1%3A_The_Promoter_and_the_Transcription_Machinery
WEBDec 16, 2021 · 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 more available space for proteins to bind.
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Promoters | Bio 2.0 | Learn Science at Scitable - Nature
https://www.nature.com/scitable/blog/bio2.0/promoters/
WEBApr 3, 2011 · When studying promoters, it is useful to number the DNA bases such that +1 is the first nucleotide transcribed into mRNA. Thus, the second transcribed base is +2, and the untranscribed base...
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Eukaryotic core promoters and the functional basis of ... - Nature
https://www.nature.com/articles/s41580-018-0028-8
WEBJun 26, 2018 · 58 Altmetric. Metrics. Abstract. RNA polymerase II (Pol II) core promoters are specialized DNA sequences at transcription start sites of protein-coding and non-coding genes that support the...
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