Related Experiment Video
Updated: Aug 13, 2026

08:55
In vitro Transcription and Capping of Gaussia Luciferase mRNA Followed by HeLa Cell Transfection
Published on: March 26, 2012
More than 1 + 2 in mRNA decapping
Nature Structural & Molecular Biology
|January 6, 2006
Abstract:
Decapping of messenger RNA was thought to involve a complex of only Dcp1 and Dcp2, but new data suggest that a larger multisubunit decapping complex exists in mammals. The larger complex includes a protein that facilitates the association of the two Dcp proteins and can be recruited by specific factors that promote mRNA decay.
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In eukaryotic cells, transcripts made by RNA polymerase are modified and processed before exiting the nucleus. Unprocessed RNA is called precursor mRNA or pre-mRNA to distinguish it from mature mRNA.
Once about 20-40 ribonucleotides have been joined together by RNA polymerase, a group of enzymes adds a cap to the 5' end of the growing transcript. In this process, a 5' phosphate is replaced by modified guanosine that has a methyl group attached (7-methyl guanosine). This 5' cap helps the cell...
Once about 20-40 ribonucleotides have been joined together by RNA polymerase, a group of enzymes adds a cap to the 5' end of the growing transcript. In this process, a 5' phosphate is replaced by modified guanosine that has a methyl group attached (7-methyl guanosine). This 5' cap helps the cell...
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The structure and stability of mRNA molecules regulates gene expression, as mRNAs are a key step in the pathway from gene to protein. In eukaryotes, the half-life of mRNA varies from a few minutes up to several days. mRNA stability is essential in growth and development. The absence of the proteins regulating its stability, such as tristetraprolin in mice, can cause systemic issues, including bone marrow overgrowth, inflammation, and autoimmunity.
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