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The butterfly plant arms-race escalated by gene and genome duplications
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Antal upphovsmän: 242015 (Engelska)Ingår i: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 112, nr 27, s. 8362-8366Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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.

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2015. Vol. 112, nr 27, s. 8362-8366
Nyckelord [en]
coevolution, phylogenomics, evolutionary novelty, chemical defenses, diversification
Nationell ämneskategori
Biologiska vetenskaper Bioteknologi med applikationer på växter och djur Medicinsk bioteknologi
Identifikatorer
URN: urn:nbn:se:su:diva-119294DOI: 10.1073/pnas.1503926112ISI: 000357527600065OAI: oai:DiVA.org:su-119294DiVA, id: diva2:844237
Tillgänglig från: 2015-08-04 Skapad: 2015-08-03 Senast uppdaterad: 2017-12-04Bibliografiskt granskad

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Wheat, Christopher W.
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Proceedings of the National Academy of Sciences of the United States of America
Biologiska vetenskaperBioteknologi med applikationer på växter och djurMedicinsk bioteknologi

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