Amyloid-Associated Nucleic Acid Hybridisation
2011

Nucleic Acids Promote Amyloid Formation

publication Evidence: moderate

Author Information

Author(s): Sebastian Braun, Christine Humphreys, Elizabeth Fraser, Andreas Brancale, Matthias Bochtler, Trevor C. Dale

Primary Institution: Cardiff University

Hypothesis

Do nucleic acids influence the structure and function of amyloid proteins?

Conclusion

Nucleic acids enhance the formation of amyloid from peptides and may have played a role in early evolution.

Supporting Evidence

  • Nucleic acids concentrate and enhance amyloid formation from peptides.
  • Amyloid components bind nucleic acids and promote their hybridization.
  • ANA complexes formed from peptides and nucleic acids may have played a role in early evolution.

Takeaway

This study shows that nucleic acids can help proteins form structures called amyloids, which are important in diseases and might have been crucial for early life.

Methodology

The study used biophysical techniques including X-ray fibre diffraction, circular dichroism spectroscopy, and electron microscopy to analyze nucleic acid-amyloid interactions.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019125

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication