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- Attenuator_(genetics) abstract "Attenuation (in genetics) is a proposed mechanism of control in some bacterial operons which results in premature termination of transcription and which is based on the fact that, in bacteria, transcription and translation proceed simultaneously. Attenuation involves a provisional stop signal (attenuator), located in the DNA segment that corresponds to the leader sequence of mRNA. During attenuation, the ribosome becomes stalled (delayed) in the attenuator region in the mRNA leader. Depending on the metabolic conditions, the attenuator either stops transcription at that point or allows read-through to the structural gene part of the mRNA and synthesis of the appropriate protein.Attenuation is a regulatory feature found throughout Archaea and Bacteria causing premature termination of transcription. Attenuators are 5'-cis acting regulatory regions which fold into one of two alternative RNA structures which determine the success of transcription. The folding is modulated by a sensing mechanism producing either a Rho-independent terminator, resulting in interrupted transcription and a non-functional RNA product; or an anti-terminator structure, resulting in a functional RNA transcript. There are now many equivalent examples where the translation, not transcription, is terminated by sequestering the Shine-Dalgarno sequence (ribosomal binding site) in a hairpin-loop structure. While not meeting the previous definition of (transcriptional) attenuation, these are now considered to be variants of the same phenomena and are included in this article. Attenuation is an ancient regulatory system, prevalent in many bacterial species providing fast and sensitive regulation of gene operons and is commonly used to repress genes in the presence of their own product (or a downstream metabolite).".
- Attenuator_(genetics) wikiPageID "4232119".
- Attenuator_(genetics) wikiPageLength "14875".
- Attenuator_(genetics) wikiPageOutDegree "34".
- Attenuator_(genetics) wikiPageRevisionID "632243395".
- Attenuator_(genetics) wikiPageWikiLink 5-3_exoribonuclease_2.
- Attenuator_(genetics) wikiPageWikiLink Attenuator_(genetics).
- Attenuator_(genetics) wikiPageWikiLink Bacteria.
- Attenuator_(genetics) wikiPageWikiLink Category:Gene_expression.
- Attenuator_(genetics) wikiPageWikiLink Charles_Yanofsky.
- Attenuator_(genetics) wikiPageWikiLink Drosha.
- Attenuator_(genetics) wikiPageWikiLink E._coli.
- Attenuator_(genetics) wikiPageWikiLink Escherichia_coli.
- Attenuator_(genetics) wikiPageWikiLink Eukaryote.
- Attenuator_(genetics) wikiPageWikiLink Histidine.
- Attenuator_(genetics) wikiPageWikiLink Histidine_operon_leader.
- Attenuator_(genetics) wikiPageWikiLink Intrinsic_termination.
- Attenuator_(genetics) wikiPageWikiLink Lactis-leu-phe_leader_RNA_motif.
- Attenuator_(genetics) wikiPageWikiLink Leucine_operon_leader.
- Attenuator_(genetics) wikiPageWikiLink Operon.
- Attenuator_(genetics) wikiPageWikiLink Peptide.
- Attenuator_(genetics) wikiPageWikiLink Phenylalanine.
- Attenuator_(genetics) wikiPageWikiLink Prokaryote.
- Attenuator_(genetics) wikiPageWikiLink RNA_polymerase.
- Attenuator_(genetics) wikiPageWikiLink Repressor.
- Attenuator_(genetics) wikiPageWikiLink Rho_independent_termination.
- Attenuator_(genetics) wikiPageWikiLink Ribosome.
- Attenuator_(genetics) wikiPageWikiLink Shine-Dalgarno_sequence.
- Attenuator_(genetics) wikiPageWikiLink Threonine.
- Attenuator_(genetics) wikiPageWikiLink Threonine_operon_leader.
- Attenuator_(genetics) wikiPageWikiLink Transcription_(genetics).
- Attenuator_(genetics) wikiPageWikiLink Transfer_RNA.
- Attenuator_(genetics) wikiPageWikiLink Translation_(biology).
- Attenuator_(genetics) wikiPageWikiLink Trp_operon.
- Attenuator_(genetics) wikiPageWikiLink Tryptophan.
- Attenuator_(genetics) wikiPageWikiLink Untranslated_Region.
- Attenuator_(genetics) wikiPageWikiLink Untranslated_region.
- Attenuator_(genetics) wikiPageWikiLink XRN2.
- Attenuator_(genetics) wikiPageWikiLink File:Trp_operon_attenuation.svg.
- Attenuator_(genetics) wikiPageWikiLinkText "Attenuation".
- Attenuator_(genetics) wikiPageWikiLinkText "Attenuator (genetics)".
- Attenuator_(genetics) wikiPageWikiLinkText "Attenuator".
- Attenuator_(genetics) wikiPageWikiLinkText "Leader peptide".
- Attenuator_(genetics) wikiPageWikiLinkText "RNA leader".
- Attenuator_(genetics) wikiPageWikiLinkText "attenuate".
- Attenuator_(genetics) wikiPageWikiLinkText "attenuated".
- Attenuator_(genetics) wikiPageWikiLinkText "attenuation".
- Attenuator_(genetics) wikiPageWikiLinkText "attenuator".
- Attenuator_(genetics) wikiPageWikiLinkText "peptide leaders".
- Attenuator_(genetics) wikiPageWikiLinkText "the ''trp'' operon".
- Attenuator_(genetics) wikiPageWikiLinkText "transcription attenuation".
- Attenuator_(genetics) wikiPageWikiLinkText "transcriptional attenuation".
- Attenuator_(genetics) hasPhotoCollection Attenuator_(genetics).
- Attenuator_(genetics) wikiPageUsesTemplate Template:Cleanup.
- Attenuator_(genetics) wikiPageUsesTemplate Template:Main.
- Attenuator_(genetics) wikiPageUsesTemplate Template:Other_uses.
- Attenuator_(genetics) wikiPageUsesTemplate Template:Reflist.
- Attenuator_(genetics) wikiPageUsesTemplate Template:Use_dmy_dates.
- Attenuator_(genetics) subject Category:Gene_expression.
- Attenuator_(genetics) hypernym Mechanism.
- Attenuator_(genetics) type Organisation.
- Attenuator_(genetics) comment "Attenuation (in genetics) is a proposed mechanism of control in some bacterial operons which results in premature termination of transcription and which is based on the fact that, in bacteria, transcription and translation proceed simultaneously. Attenuation involves a provisional stop signal (attenuator), located in the DNA segment that corresponds to the leader sequence of mRNA. During attenuation, the ribosome becomes stalled (delayed) in the attenuator region in the mRNA leader.".
- Attenuator_(genetics) label "Attenuator (genetics)".
- Attenuator_(genetics) sameAs Attenuation_(Genexpression).
- Attenuator_(genetics) sameAs Atenuaator_(geneetika).
- Attenuator_(genetics) sameAs מחליש_(גנטיקה).
- Attenuator_(genetics) sameAs m.0br944.
- Attenuator_(genetics) sameAs Atenuacija.
- Attenuator_(genetics) sameAs Q758002.
- Attenuator_(genetics) sameAs Q758002.
- Attenuator_(genetics) sameAs 弱化子.
- Attenuator_(genetics) wasDerivedFrom Attenuator_(genetics)?oldid=632243395.
- Attenuator_(genetics) isPrimaryTopicOf Attenuator_(genetics).