Neotropical butterflies in the genus Heliconius are unpalatable, aposematic, and they have undergone a recent adaptive radiation in wing color patterns as a consequence of natural selection for Müllerian mimicry. We are working to identify the molecular basis of the genes that control wing pattern diversity in Heliconius and characterize the evolutionary history of divergence and convergence across the clade. This work relies on combination of high-resolution genetic mapping, fine-scale genome-wide association mapping, comparative analyses of gene expression, and genome editing. Much of this work has been done in concert with an international network of collaborative researchers and has resulted in rich genomic resources for Heliconius butterflies and identification of the key genes regulating wing pattern variation across the clade. Our work also explores the evolution and genetics of mimicry in other diverse butterfly clades, including Limenitis, Hypolimnas, Elymnias, and Papilio.
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VanKuren, N. W., D. Massardo, S. Nallu and M. R. Kronforst. 2019. Butterfly mimicry polymorphisms highlight phylogenetic limits of gene reuse in the evolution of diverse adaptations. Molecular Biology and Evolution 36: 2842-2853
Westerman, E., N. VanKuren, D. Massardo, A. Tenger-Trolander, W. Zhang, R. I. Hill, M. Perry, E. Bayala, K. Barr, N. Chamberlain, T. E. Douglas, N. Buerkle, S. E. Palmer and M. R. Kronforst. 2018. Aristaless controls butterfly wing color variation used in mimicry and mate choice. Current Biology 28: 3469-3474. ScienceDaily Futurity Phys.org
Mazo-Vargas, A., C. Concha, L. Livraghi, D. Massardo, R. W. R. Wallbank, L. Zhang, J. D. Papador, D. Martinez-Najera, C. D. Jiggins, M. R. Kronforst, C. J. Breuker, R. D. Reed, N. H. Patel, W. O. McMillan and A. Martin. 2017. Macro-evolutionary shifts of WntA function potentiate butterfly wing pattern diversity. Proc. Natl. Acad. Sci. USA 114: 10701−10706. Nature News & Views Washington Post NY Times Science Magazine The Atlantic
Gallant, J. R, V. E. Imhoff, A. Martin, W. K. Savage, N. L. Chamberlain, B. L. Pote, C. Peterson, G. E. Smith, B. Evans, R. D. Reed, M. R. Kronforst and S. P Mullen. 2014. Ancient homology underlies adaptive mimetic diversity across butterflies. Nature Communications 5: 4817. Futurity
Martin A., R. Papa, N. J. Nadeau, R. I. Hill, B. A. Counterman, G. Halder, C. D. Jiggins, M. R. Kronforst, A. D. Long, W. O. McMillan and R. D. Reed. 2012. Diversification of complex butterfly wing patterns by repeated regulatory evolution of a Wnt ligand. Proc. Natl. Acad. Sci. USA 109: 12632-12637.
Reed, R. D., R. Papa, A. Martin, H. M. Hines, B. A. Counterman, C. Pardo-Diaz, C. D. Jiggins, N. L. Chamberlain, M. R. Kronforst, R. Chen, G. Halder, H. F. Nijhout, and W. O. McMillan. 2011. optix drives the repeated convergent evolution of butterfly wing pattern mimicry. Science 333: 1137-1141. Science Perspective New York Times F1000 Opinions