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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: The butterfly plant arms-race escalated by gene and genome duplications
Author(s): Edger, Patrick P
Heidel-Fischer, Hanna M
Bekaert, Michaël
Rota, Jadranka
Glockner, Gernot
Platts, Adrian E
Pires, J Chris
Heckel, David G
Der, Joshua P
Wafula, Eric K
Tang, Michelle
Hofberger, Johannes A
Smithson, Ann
Hall, Jocelyn C
Blanchette, Matthieu
Keywords: coevolution
evolutionary novelty
chemical defenses
Issue Date: 7-Jul-2015
Citation: Edger PP, Heidel-Fischer HM, Bekaert M, Rota J, Glockner G, Platts AE, Pires JC, Heckel DG, Der JP, Wafula EK, Tang M, Hofberger JA, Smithson A, Hall JC & Blanchette M (2015) The butterfly plant arms-race escalated by gene and genome duplications. Proceedings of the National Academy of Sciences, 112 (27), pp. 8362-8366.
Abstract: Coevolutionary interactions are thought to have spurred the evolution of key innovations and driven the diversification of much of life on Earth. However, the genetic and evolutionary basis of the innovations that facilitate such interactions remains poorly understood. We examined the coevolutionary interactions between plants (Brassicales) and butterflies (Pieridae), and uncovered evidence for an escalating evolutionary arms-race. Although gradual changes in trait complexity appear to have been facilitated by allelic turnover, key innovations are associated with gene and genome duplications. Furthermore, we show that the origins of both chemical defenses and of molecular counter adaptations were associated with shifts in diversification rates during the arms-race. These findings provide an important connection between the origins of biodiversity, coevolution, and the role of gene and genome duplications as a substrate for novel traits.  Additional co-authors: Thomas E. Bureau, Stephen I. Wright, Claude W. dePamphilis, M. Eric Schranz, Michael S. Barker, Gavin C. Conant, Niklas Wahlberg, Heiko Vogel, J. Chris Pires, and Christopher W. Wheatt
DOI Link: 10.1073/pnas.1503926112
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