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Related Concept Videos

Nonsense-mediated mRNA Decay

Nonsense-mediated mRNA Decay

The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual role, but they need to work in collaboration. Upf1 is an ATP-dependent RNA helicase that unwinds the RNA helix. Because Upf1 can unwind any RNA, Upf2 and Upf3 are required to help Upf1 discriminate between nonsense and normal mRNAs.
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...

Nonsense-mediated mRNA Decay

Nonsense-mediated mRNA Decay

Nuclear Export of mRNA

Nuclear Export of mRNA

Before mRNAs are exported to the cytoplasm, it is crucial to check each mRNA for structural and functional integrity. Eukaryotic cells use several different mechanisms, collectively known as mRNA surveillance, to look for irregularities in mRNAs. Irregular or aberrant mRNA are rapidly degraded by various enzymes. If a defective mRNA escapes the surveillance, it would be translated into a protein which would either be non-functional or not function properly. One of the primary irregularities in...

Nuclear Export of mRNA

Nuclear Export of mRNA

mRNA Stability and Gene Expression

mRNA Stability and Gene Expression

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.
Cis-acting Elements involved in mRNA stability

mRNA Stability and Gene Expression

mRNA Stability and Gene Expression

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Related Experiment Video

Updated: Apr 16, 2026

Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains

Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains

Published on: December 13, 2014

A career in (mRNA) decay

George A Mackie¹

¹Department of Biochemistry and Molecular Biology, Life Sciences Centre, The University of British Columbia, Vancouver, BC, Canada V6T 1Z3 george.mackie@ubc.ca.

RNA (New York, N.Y.)

|March 18, 2015

Summary

No abstract available in PubMed .

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Measurement of mRNA Decay Rates in Saccharomyces cerevisiae Using rpb1-1 Strains

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