The gene cortex controls mimicry and crypsis in butterflies and mothsReportar como inadecuado


The gene cortex controls mimicry and crypsis in butterflies and moths


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Publication Date: 2016-06-01

Journal Title: Nature

Publisher: Nature Publishing Group

Volume: 534

Pages: 106-110

Language: English

Type: Article

Metadata: Show full item record

Citation: Nadeau, N. J., Pardo-Diaz, C., Whibley, A., Supple, M., Saenko, S. V., Wallbank, R. W. R., Wu, G. C., et al. (2016). The gene cortex controls mimicry and crypsis in butterflies and moths. Nature, 534 106-110. https://doi.org/10.1038/nature17961

Description: This is the author accepted manuscript. The final version is available from Nature Publishing Group via http://dx.doi.org/10.1038/nature17961

Abstract: The wing patterns of butterflies and moths (Lepidoptera) are diverse and striking examples of evolutionary diversification by natural selection1, 2. Lepidopteran wing colour patterns are a key innovation, consisting of arrays of coloured scales. We still lack a general understanding of how these patterns are controlled and whether this control shows any commonality across the 160,000 moth and 17,000 butterfly species. Here, we use fine-scale mapping with population genomics and gene expression analyses to identify a gene, cortex, that regulates pattern switches in multiple species across the mimetic radiation in Heliconius butterflies. cortex belongs to a fast-evolving subfamily of the otherwise highly conserved fizzy family of cell-cycle regulators3, suggesting that it probably regulates pigmentation patterning by regulating scale cell development. In parallel with findings in the peppered moth (Biston betularia)4, our results suggest that this mechanism is common within Lepidoptera and that cortex has become a major target for natural selection acting on colour and pattern variation in this group of insects.

Sponsorship: We thank the governments of Colombia, Ecuador, Panama and Peru for permission to collect butterflies. This work was funded by a Leverhulme Trust award and BBSRC grant (H01439X/1) to CDJ, NSF grants (DEB 1257689, IOS 1052541) to WOM, an ERC starting grant to MJ and a French National Agency for Research (ANR) grant to VL (ANR-13-JSV7-0003-01). NJN is funded by a NERC fellowship (NE/K008498/1).

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External DOI: https://doi.org/10.1038/nature17961

This record's URL: https://www.repository.cam.ac.uk/handle/1810/254561







Autor: Nadeau, Nicola J.Pardo-Diaz, CarolinaWhibley, AnnabelSupple, MeganSaenko, Suzanne V.Wallbank, Richard W. R.Wu, Grace C.Maroja, Lua

Fuente: https://www.repository.cam.ac.uk/handle/1810/254561



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