Perspectives

Nature Reviews Genetics 6, 654-662 (August 2005) | doi:10.1038/nrg1659

TimelineMolecular clocks: four decades of evolution

Sudhir Kumar1  About the author

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During the past four decades, the molecular-clock hypothesis has provided an invaluable tool for building evolutionary timescales, and has served as a null model for testing evolutionary and mutation rates in different species. Molecular clocks have also influenced the development of theories of molecular evolution. As DNA-sequencing technologies have progressed, the use of molecular clocks has increased, with a profound effect on our understanding of the temporal diversification of species and genomes.

Author affiliations

  1. Sudhir Kumar is at the Center for Evolutionary Functional Genomics, The Biodesign Institute and School of Life Sciences, Arizona State University, Tempe, Arizona 85287-5301, USA.
    Email: s.kumar@asu.edu

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