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Polyadenylation is also important for transcription termination, export of the mRNA from the nucleus, and translation. mRNA can also be polyadenylated in prokaryotic organisms, where poly(A) tails act to facilitate, rather than impede, exonucleolytic degradation.
Messenger RNA (mRNA) is the type of RNA that carries information from DNA to the ribosome, the sites of protein synthesis (translation) in the cell cytoplasm. The coding sequence of the mRNA determines the amino acid sequence in the protein that is produced. [27]
The poly(A) tail is important for the nuclear export, translation and stability of mRNA. The tail is shortened over time, and, when it is short enough, the mRNA is enzymatically degraded. [2] However, in a few cell types, mRNAs with short poly(A) tails are stored for later activation by re-polyadenylation in the cytosol. [3]
New mRNA vaccines use genes from the coronavirus to produce immunity. Andriy Onufriyenko/Moment via Getty ImagesTens of millions of people across the U.S. have received a coronavirus vaccine. So ...
When it comes to cancer, there’s innovation both on the diagnostics and the treatment front thanks to messenger RNA, or mRNA, a genetic material we all got acquainted with during the COVID-19 ...
The beauty of mRNA technology is that it opens the door to a more personalized and effective treatment as messenger RNA instructs the patient’s cells how to combat diseases like cancer.
The 5′-untranslated region (5′-UTR) is a region of a gene which is transcribed into mRNA, and is located at the 5′-end of the mRNA. This region of an mRNA may or may not be translated, but is usually involved in the regulation of translation. The 5′-untranslated region is the portion of the DNA starting from the cap site and extending ...
The mRNA does not contain all the information for specifying the nature of the mature protein. The nascent polypeptide chain released from the ribosome commonly requires additional processing before the final product emerges. For one thing, the correct folding process is complex and vitally important.