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What Are 3' UTRs Doing?

Christine Mayr1

  • 1Department of Cancer Biology and Genetics, Memorial Sloan Kettering Cancer Center, New York, New York 10065.

Cold Spring Harbor Perspectives in Biology
|September 6, 2018
PubMed
Summary
This summary is machine-generated.

Messenger RNAs' 3' untranslated regions (3' UTRs) regulate both mRNA processes and protein features. This review explores 3' UTR functions and their discovery, highlighting future research directions.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • 3' untranslated regions (3' UTRs) of messenger RNAs (mRNAs) are crucial regulatory elements.
  • Traditionally, 3' UTRs are known to control mRNA stability, localization, and translation.
  • Emerging evidence shows 3' UTRs also mediate protein-protein interactions (PPIs), influencing protein features beyond the amino acid sequence.

Purpose of the Study:

  • To comprehensively review the dual functions of 3' UTRs in regulating both mRNA and protein-based processes.
  • To highlight the historical discovery and experimental approaches used to understand these 3' UTR functions.
  • To discuss future directions and novel technologies for studying 3' UTRs.

Main Methods:

  • Literature review and synthesis of existing research on 3' UTR functions.
  • Analysis of experimental methodologies employed in the discovery of 3' UTR-mediated regulation.
  • Discussion of technological advancements relevant to future 3' UTR research.

Main Results:

  • 3' UTRs regulate mRNA dynamics (stability, localization, translation).
  • 3' UTRs facilitate protein-protein interactions (PPIs), impacting protein complex formation, posttranslational modifications, and protein conformation.
  • Information transfer via 3' UTRs can alter protein features not encoded in the primary amino acid sequence.

Conclusions:

  • 3' UTRs play a multifaceted role in gene expression, extending beyond mRNA regulation to influence protein characteristics.
  • Understanding the experimental basis of these discoveries is key to appreciating the significance of 3' UTR functions.
  • Future research, leveraging advanced technologies, will further elucidate the complex roles of 3' UTRs in cellular processes.