2015
DOI: 10.1371/journal.pgen.1005529
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Differential Expression of Ecdysone Receptor Leads to Variation in Phenotypic Plasticity across Serial Homologs

Abstract: Bodies are often made of repeated units, or serial homologs, that develop using the same core gene regulatory network. Local inputs and modifications to this network allow serial homologs to evolve different morphologies, but currently we do not understand which modifications allow these repeated traits to evolve different levels of phenotypic plasticity. Here we describe variation in phenotypic plasticity across serial homologous eyespots of the butterfly Bicyclus anynana, hypothesized to be under selection f… Show more

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Cited by 75 publications
(103 citation statements)
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“…1A), is important to facilitate detection by predators and hasten avoidance learning (3). The molecular mechanism underlying spot formation in adult and larval insects has become more apparent via many studies in Drosophila (4,5), Bombyx mori (6, 7), and several butterflies (8)(9)(10). Although stripe pattern formation is well-studied in vertebrates, such as the zebra (11), rodents (12), and zebrafish (13), the molecular backgrounds of this pattern in insects are largely unknown.…”
mentioning
confidence: 99%
“…1A), is important to facilitate detection by predators and hasten avoidance learning (3). The molecular mechanism underlying spot formation in adult and larval insects has become more apparent via many studies in Drosophila (4,5), Bombyx mori (6, 7), and several butterflies (8)(9)(10). Although stripe pattern formation is well-studied in vertebrates, such as the zebra (11), rodents (12), and zebrafish (13), the molecular backgrounds of this pattern in insects are largely unknown.…”
mentioning
confidence: 99%
“…Although the genetic, developmental, and hormonal control of seasonal polyphenism are becoming increasingly understood, there are relatively few studies that examine the evolution of the pattern elements of seasonal forms (Rountree and Nijhout 1995;Monteiro et al 2015;Oostra et al 2011). Therefore we asked the following questions: (a) How do wing phenotype elements such as shape and pattern differ between seasonal forms?…”
mentioning
confidence: 99%
“…This is important because this stage of larval development is contained within the 5th and final larval stage, previously identified as the temperature-sensitive period for induction of eyespot size plasticity (Kooi and Brakefield 1999;Monteiro et al 2015). Levels were higher in WS forms relative to DS forms, indicating a positive correlation between 20E and eyespot size.…”
Section: Physiological Mechanisms Of Eyespot Plasticitymentioning
confidence: 94%
“…For many years, however, research into the physiological and genetic basis of eyespot size plasticity focused exclusively on the period of development following pupation, which is not as sensitive to temperature as the previous larval wandering stage (Kooi and Brakefield 1999;Monteiro et al 2015). This period shows variation in timing of 20E titers in the seasonal form "genetic mimics" as well as in the actual seasonal forms (Mateus et al 2014;Oostra et al 2011).…”
Section: Physiological Mechanisms Of Eyespot Plasticitymentioning
confidence: 99%
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