Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:

Evolutionary biology

A ratchet for protein complexity

Molecular machines containing related protein subunits are common in cells. Reconstruction of ancient proteins suggests that this type of complexity can evolve in the absence of any initial selective advantage. See Letter p.360

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Figure 1: Evolution of complexity in a protein ring.

Notes

  1. *This article and the paper1 under discussion were published online on 8 January 2012.

References

  1. Finnigan, G. C., Hanson-Smith, V., Stevens, T. H. & Thornton, J. W. Nature 481 360–364 (2012).

    Article  ADS  CAS  PubMed  PubMed Central  Google Scholar 

  2. Lynch, M. Proc. Natl Acad. Sci. USA 104, 8597–8604 (2007).

    Article  ADS  CAS  PubMed  PubMed Central  Google Scholar 

  3. Archibald, J. M., Logsdon, J. M. Jr & Doolittle, W. F. Curr. Biol. 9, 1053–1056 (1999).

    Article  CAS  PubMed  Google Scholar 

  4. Ruano-Rubio, V. & Fares, M. A. Mol. Biol. Evol. 24, 1384–1396 (2007).

    Article  CAS  PubMed  Google Scholar 

  5. Fares, M. A. & Wolfe, K. H. Mol. Biol. Evol. 20, 1588–1597 (2003).

    Article  CAS  PubMed  Google Scholar 

  6. Ohno, S. Evolution by Gene Duplication (Springer, 1970).

    Book  Google Scholar 

  7. Wang, Y., Cipriano, D. J. & Forgac, M. J. Biol. Chem. 282, 34058–34065 (2007).

    Article  CAS  PubMed  Google Scholar 

  8. Stoltzfus, A. J. Mol. Evol. 49, 169–181 (1999).

    Article  ADS  CAS  PubMed  Google Scholar 

  9. Force, A. et al. Genetics 151, 1531–1545 (1999).

    CAS  PubMed  PubMed Central  Google Scholar 

  10. Gray, M. W., Lukeš, J., Archibald, J. M., Keeling, P. J. & Doolittle, W. F. Science 330, 920–921 (2011).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to W. Ford Doolittle.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Doolittle, W. A ratchet for protein complexity. Nature 481, 270–271 (2012). https://doi.org/10.1038/nature10816

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/nature10816

This article is cited by

Search

Quick links

Nature Briefing: Translational Research

Sign up for the Nature Briefing: Translational Research newsletter — top stories in biotechnology, drug discovery and pharma.

Get what matters in translational research, free to your inbox weekly. Sign up for Nature Briefing: Translational Research