Population genetics simulations and experimental evolution in yeast reconcile the apparent contradiction between high levels of beneficial mutations observed in the laboratory and long-term evolutionary patterns that mimic neutrality.
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References
Barrick, J. E. & Lenski, R. E. Nat. Rev. Genet. 14, 827–839 (2013).
Teotónio, H., Estes, S., Phillips, P. C. & Baer, C. F. Genetics 206, 691–716 (2017).
Song, S., Chen, P., Shen, X. & Zhang, J. Nat. Ecol. Evol. https://doi.org/10.1038/s41559-025-02887-1 (2025).
Fowler, D. M. & Fields, S. Nat. Methods 11, 801–807 (2014).
Hietpas, R. T., Jensen, J. D. & Bolon, D. N. A. Proc. Natl Acad. Sci. USA 108, 7896–7901 (2011).
Figliuzzi, M., Jacquier, H., Schug, A., Tenaillon, O. & Weigt, M. Mol. Biol. Evol. 33, 268–280 (2016).
Livesey, B. J. & Marsh, J. A. Genome Biol. 26, 104 (2025).
Barreto, H. C. & Gordo, I. Nat. Rev. Microbiol. 21, 590–603 (2023).
Zhao, S. et al. Cell Host Microbe 25, 656–667.e8 (2019).
Rutter, M. T., Shaw, F. H. & Fenster, C. B. Evolution 64, 1825–1835 (2010).
Chen, P. & Zhang, J. Nat. Ecol. Evol. 4, 461–469 (2020).
Gillespie, J. H. Genet. Res. 21, 115–120 (1973).
Cvijović, I., Good, B. H., Jerison, E. R. & Desai, M. M. Proc. Natl Acad. Sci. USA 112, E5021–E5028 (2015).
Vigué, L. & Tenaillon, O. Proc. Natl Acad. Sci. USA 120, e2304177120 (2023).
Couce, A. et al. Science 383, eadd1417 (2024).
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Mischler, M., Tenaillon, O. Deep mutational scans clarify the record of evolution. Nat Ecol Evol 9, 2189–2190 (2025). https://doi.org/10.1038/s41559-025-02902-5
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DOI: https://doi.org/10.1038/s41559-025-02902-5