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AU-rich elements and associated factors: are there unifying principles?
Carine Barreau1, Luc Paillard, H Beverley Osborne
1UMR 6061 CNRS Génétique et Développement, IFR 140 Génétique Fonctionnelle Agronomie et Santé, Université de Rennes 1, Faculté de Médecine, CS 34317, 35043 Rennes cedex, France.
Nucleic Acids Research
|January 5, 2006
Summary
Cellular mRNA stability is controlled by AU-rich elements (AREs), which target mRNAs for degradation. This study analyzes ARE-binding proteins (ARE-BPs), their mRNA targets, and effects on stability and translation.
Area of Science:
- Molecular Biology
- Gene Regulation
Background:
- mRNA stability is crucial for regulating gene expression, especially for factors whose overexpression is harmful.
- AU-rich elements (AREs) are known sequence motifs that target mRNAs for rapid degradation.
Purpose of the Study:
- To analyze AU-rich element-binding proteins (ARE-BPs) and their interactions with mRNA targets.
- To investigate the impact of ARE-BP binding on mRNA stability and translation.
Main Methods:
- Literature review and analysis of existing data on AREs and ARE-BPs.
- Examination of known ARE-BP targets and their functional consequences.
Main Results:
- ARE-BPs bind to a multitude of mRNA targets, and individual ARE-containing mRNAs can associate with numerous ARE-BPs.
- Analysis considers both mRNA stability changes and less-studied translational effects.
Conclusions:
- The complex interplay of ARE-BPs suggests functional redundancies or antagonisms.
- Explores the relationship between mRNA stability and translation, proposing hypotheses for future research.