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Qu'est-ce (qui) est PBAD promoter - définition
PBAD promoter
PBAD (systematically araBp) is a promoter found in bacteria and especially as part of plasmids used in laboratory studies. The promoter is a part of the arabinose operon whose name derives from the genes it regulates transcription of: araB, araA, and araD.
Promoter (genetics)
![transcription start site]] of the gene. The loop is stabilized by one architectural protein anchored to the enhancer and one anchored to the promoter and these proteins are joined to form a dimer (red zigzags). Specific regulatory [[transcription factor]]s bind to DNA sequence motifs on the enhancer. [[General transcription factor]]s bind to the promoter. When a transcription factor is activated by a signal (here indicated as [[phosphorylation]] shown by a small red star on a transcription factor on the enhancer) the enhancer is activated and can now activate its target promoter. The active enhancer is transcribed on each strand of DNA in opposite directions by bound RNAP IIs. [[Mediator (coactivator)]] (a complex consisting of about 26 proteins in an interacting structure) communicates regulatory signals from the enhancer DNA-bound transcription factors to the promoter.](https://commons.wikimedia.org/wiki/Special:FilePath/Regulation of transcription in mammals.jpg?width=200 "transcription start site]] of the gene. The loop is stabilized by one architectural protein anchored to the enhancer and one anchored to the promoter and these proteins are joined to form a dimer (red zigzags). Specific regulatory [[transcription factor]]s bind to DNA sequence motifs on the enhancer. [[General transcription factor]]s bind to the promoter. When a transcription factor is activated by a signal (here indicated as [[phosphorylation]] shown by a small red star on a transcription factor on the enhancer) the enhancer is activated and can now activate its target promoter. The active enhancer is transcribed on each strand of DNA in opposite directions by bound RNAP IIs. [[Mediator (coactivator)]] (a complex consisting of about 26 proteins in an interacting structure) communicates regulatory signals from the enhancer DNA-bound transcription factors to the promoter.")
!['''Ten classes of eukaryotic promoters and their representative [[DNA Patterns]]'''. The representative eukaryotic promoter classes are shown in the following sections: (A) AT-based class, (B) CG-based class, (C) ATCG-compact class, (D) ATCG-balanced class, (E) ATCG-middle class, (F) ATCG-less class, (G) AT-less class, (H) CG-spike class, (I) CG-less class and (J) ATspike class.<ref name=Gagniuc2012 />](https://commons.wikimedia.org/wiki/Special:FilePath/Ten classes of eukaryotic promoters and their representative K-DNA patterns.jpg?width=200 "'''Ten classes of eukaryotic promoters and their representative [[DNA Patterns]]'''. The representative eukaryotic promoter classes are shown in the following sections: (A) AT-based class, (B) CG-based class, (C) ATCG-compact class, (D) ATCG-balanced class, (E) ATCG-middle class, (F) ATCG-less class, (G) AT-less class, (H) CG-spike class, (I) CG-less class and (J) ATspike class.<ref name=Gagniuc2012 />")
REGION OF DNA THAT INITIATES TRANSCRIPTION OF A PARTICULAR GENE
Promoter region; Promoter regions (genetics); Gene promoter; Promoter site; U6 promoter; Promotor (biology); Promoter gene; Regulatable promoter; Promoter (biology); Constitutive promoter; Gene promotor; Core promoter element; Proximal promoter element; Promoter sequence; Core promoter; -35 box; Transcription promoter
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 encode a protein (mRNA), or can have a function in and of itself, such as tRNA or rRNA.
Tour promoter
INDIVIDUALS OR COMPANIES RESPONSIBLE FOR ORGANIZING A LIVE CONCERT TOUR OR SPECIAL EVENT PERFORMANCE
Tour promoters; Concert promoter; College concert promoter
Tour promoters (also known as concert promoters or talent buyers) are the individuals or companies responsible for organizing a live concert tour or special event performance. The tour promoter makes an offer of employment to a particular artist, usually through the artist’s agent or music manager.
