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Cytoplasmic organelles on the road to mRNA decay

Dominique Weil1, Julie Hollien

  • 1UPMC Univ Paris 06, CNRS-FRE 3402, Paris cedex , France.

Biochimica Et Biophysica Acta
|January 23, 2013
PubMed

Insights

Messenger RNA (mRNA) localization to internal cell membranes influences mRNA decay and organelle function. This review explores how organelle-associated mRNA decay is regulated.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • RNA Biology

Background:

  • mRNA localization to internal membranes coordinates gene expression and organelle function.
  • While ER targeting is classic, other organelles also associate with mRNAs via unknown mechanisms.
  • RNA granules, sites of mRNA degradation, often associate with organelles like endosomes and mitochondria.

Purpose of the Study:

  • To review recent findings on the link between organelle function and mRNA localization.
  • To summarize the connection between organelle-associated mRNA decay and cellular processes.

Main Methods:

  • Literature review of recent findings.
  • Synthesis of data on mRNA localization and decay mechanisms.
  • Analysis of the role of organelles in mRNA turnover.

Main Results:

  • mRNA localization to internal membranes is a key regulatory mechanism.
  • Organelle association influences mRNA decay rates and patterns.
  • RNA granules are frequently found near membrane-bound organelles, indicating functional links.

Conclusions:

  • Organelle function is intricately linked to mRNA localization and decay.
  • Understanding these connections is crucial for comprehending cellular regulation.
  • Further research is needed to elucidate the mechanisms of organelle-mediated mRNA decay.

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