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- IscR_stability_element abstract "The IscR stability element is a conserved secondary structure found in the intergenic regions of iscRSUA polycistronic mRNA. This secondary structure prevents the degradation of the iscR mRNA.The iscRSUA operon encodes for the proteins required in iron-sulfur cluster biosynthesis where the expression of this operon is regulated by RyhB and iscR, a transcription repressor. Under sufficient iron conditions RyhB binds to iscRSUA mRNA and promotes the degradation of the mRNA located downstream of iscR. Scanning the intergenic regions of this polycistronic mRNA and using Mfold software a secondary structure was predicted within the intergenic region between iscR and iscS and later confirmed by lead acetate probing. Mutations that disrupt this secondary structure resulted in the degradation of iscR mRNA after RyhB binding. 3' RACE analysis of the iscR mRNA fragment identified the intergenic RNA at the 3' end. These results suggest that this intergenic RNA element acts as a iscR mRNA stability element by protecting iscR from exonuclease degradation.".
- IscR_stability_element thumbnail IscRS_SS.png?width=300.
- IscR_stability_element wikiPageID "24128587".
- IscR_stability_element wikiPageRevisionID "528616173".
- IscR_stability_element caption "Secondary structure of iscR stability element RNA".
- IscR_stability_element hasPhotoCollection IscR_stability_element.
- IscR_stability_element id "RF01517".
- IscR_stability_element name "iscR stability element".
- IscR_stability_element rfam "RF01517".
- IscR_stability_element rnaType "Cis-regulatory element".
- IscR_stability_element symbol "iscRS".
- IscR_stability_element taxDomain Enterobacteriales.
- IscR_stability_element subject Category:Gene_expression.
- IscR_stability_element subject Category:Non-coding_RNA.
- IscR_stability_element subject Category:RNA.
- IscR_stability_element comment "The IscR stability element is a conserved secondary structure found in the intergenic regions of iscRSUA polycistronic mRNA. This secondary structure prevents the degradation of the iscR mRNA.The iscRSUA operon encodes for the proteins required in iron-sulfur cluster biosynthesis where the expression of this operon is regulated by RyhB and iscR, a transcription repressor.".
- IscR_stability_element label "IscR stability element".
- IscR_stability_element sameAs m.07kcl97.
- IscR_stability_element sameAs Q6079162.
- IscR_stability_element sameAs Q6079162.
- IscR_stability_element wasDerivedFrom IscR_stability_element?oldid=528616173.
- IscR_stability_element depiction IscRS_SS.png.
- IscR_stability_element isPrimaryTopicOf IscR_stability_element.
