Terminator: Difference between revisions
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Lodish H, Berk A, Zipursky L, Matsudaira P, Baltimore D, Darnell JE. Molecular Cell Biology. 4th Ed, New York: W.H. Freeman & Co Ltd. 1999 | |||
<span style="line-height: 1.5em;">Transcription terminators are sections of the [[DNA|DNA]] sequence which mark the end of the gene in the genomic DNA during [[Transcription|transcription]]. The transcription terminator provides signals that release the newly synthesised [[MRNA|mRNA]] from the transcriptional complex. It also causes reactions which release [[RNA polymerase|RNA polymerase]] from the complex.</span> | <span style="line-height: 1.5em;">Transcription terminators are sections of the [[DNA|DNA]] sequence which mark the end of the gene in the genomic DNA during [[Transcription|transcription]]. The transcription terminator provides signals that release the newly synthesised [[MRNA|mRNA]] from the transcriptional complex. It also causes reactions which release [[RNA polymerase|RNA polymerase]] from the complex.</span> | ||
There are two types of transcription terminators the [[Rho dependent termination|Rho-dependent]] and the [[Rho-independent termination|Rho-independent]] in the [[Prokaryotes|prokaryotes]]. Rho-dependent terminators require a RHO factor which stimulates [[DNA helicase|DNA helicase]] to unwind the double helix of DNA. Howver Rho-independent require the formation of a self-annealing hairpin which will unwind the double helix. | There are two types of transcription terminators the [[Rho dependent termination|Rho-dependent]] and the [[Rho-independent termination|Rho-independent]] in the [[Prokaryotes|prokaryotes]]. Rho-dependent terminators require a RHO factor which stimulates [[DNA helicase|DNA helicase]] to unwind the double helix of DNA. Howver Rho-independent require the formation of a self-annealing hairpin which will unwind the double helix. | ||
Revision as of 14:29, 5 December 2018
Lodish H, Berk A, Zipursky L, Matsudaira P, Baltimore D, Darnell JE. Molecular Cell Biology. 4th Ed, New York: W.H. Freeman & Co Ltd. 1999
Transcription terminators are sections of the DNA sequence which mark the end of the gene in the genomic DNA during transcription. The transcription terminator provides signals that release the newly synthesised mRNA from the transcriptional complex. It also causes reactions which release RNA polymerase from the complex.
There are two types of transcription terminators the Rho-dependent and the Rho-independent in the prokaryotes. Rho-dependent terminators require a RHO factor which stimulates DNA helicase to unwind the double helix of DNA. Howver Rho-independent require the formation of a self-annealing hairpin which will unwind the double helix.