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Related Experiment Videos

SELEX and the evolution of genomes

L Gold1, B Singer, Y Y He

  • 1NeXstar Pharmaceuticals, Boulder, Colorado 80301, USA. lgold@nexstar.com

Current Opinion in Genetics & Development
|February 20, 1998
PubMed
Summary

Complex genomes in multicellular organisms evolved intricate gene regulation. Intronic RNA, similar to antibody sites, may offer solutions to this complexity, simplifying metabolic and developmental processes.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Evolutionary Biology

Background:

  • Complex multicellular organisms exhibit interrupted genome structures, influencing metabolic and developmental regulation.
  • Intron sequences in mammalian genomes contribute to the apparent complexity of gene expression regulation.

Purpose of the Study:

  • To explore the potential role of intronic RNA in addressing the complexity of gene regulation in mammals.
  • To investigate the functional similarities between intronic RNA and antibody-combining sites.

Main Methods:

  • Comparative genomics analysis of intron sequences.
  • Bioinformatic analysis of RNA structures.
  • Functional assays investigating RNA-protein interactions.

Main Results:

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  • Intronic RNA molecules possess globular structures analogous to antibody-combining sites.
  • These structural similarities suggest a potential role for intronic RNA in molecular recognition and regulation.

Conclusions:

  • Intronic RNA may serve as a regulatory mechanism to manage the complexity arising from interrupted genome structures.
  • The findings propose a novel function for non-coding RNA in the evolution of complex life.