Article
Butterfly eyespots evolved via cooption of an ancestral gene-regulatory network that also patterns antennae, legs, and wings.
Proceedings of the National Academy of Sciences of the United States of America - 22 Feb 2022
Murugesan Suriya Narayanan, Connahs Heidi, Matsuoka Yuji, Das Gupta Mainak, Tiong Galen J L, Huq Manizah, Gowri V, Monroe Sarah, Deem Kevin D, Werner Thomas, Tomoyasu Yoshinori, Monteiro Antónia
Abstract excerpt
Butterfly eyespots are beautiful novel traits with an unknown developmental origin. Here we show that eyespots likely originated via cooption of parts of an ancestral appendage gene-regulatory network (GRN) to novel locations on the wing. Using comparative transcriptome analysis, we show that eyespots cluster most closely with antennae, relative to multiple other tissues. Furthermore, three genes essential for...
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