Evolutionary change from induced to constitutive expression of an indirect plant resistance

Nature
Martin HeilW Boland

Abstract

Induced plant resistance traits are expressed in response to attack and occur throughout the plant kingdom. Despite their general occurrence, the evolution of such resistances has rarely been investigated. Here we report that extrafloral nectar, a usually inducible trait, is constitutively secreted by Central American Acacia species that are obligately inhabited by ants. Extrafloral nectar is secreted as an indirect resistance, attracting ants that defend plants against herbivores. Leaf damage induces extrafloral nectar secretion in several plant species; among these are various Acacia species and other Fabaceae investigated here. In contrast, Acacia species obligately inhabited by symbiotic ants nourish these ants by secreting extrafloral nectar constitutively at high rates that are not affected by leaf damage. The phylogeny of the genus Acacia and closely related genera indicate that the inducibility of extrafloral nectar is the plesiomorphic or 'original' state, whereas the constitutive extrafloral nectar flow is derived within Acacia. A constitutive resistance trait has evolved from an inducible one, obviously in response to particular functional demands.

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Citations

Apr 17, 2009·Journal of Chemical Ecology·Marcia González-Teuber, Martin Heil
Sep 1, 2009·Proceedings of the National Academy of Sciences of the United States of America·Martin HeilJuan Carlos Silva Bueno
Jul 19, 2005·Proceedings. Biological Sciences·Alexander V Badyaev
Mar 5, 2008·Plant Physiology·Si-Jun Zheng, Marcel Dicke
Jan 10, 2008·BMC Evolutionary Biology·Alexander V Badyaev, Kevin P Oh
Mar 13, 2012·Annual Review of Plant Biology·Axel Mithöfer, Wilhelm Boland
Aug 4, 2015·Ecology·Robert A RagusoJennifer S Thaler
Feb 25, 2011·Trends in Plant Science·Martin Heil
Mar 10, 2010·Molecular Phylogenetics and Evolution·Toshihide KatoMasakazu Shimada
Jun 23, 2009·Trends in Plant Science·Martin Heil
Jun 23, 2009·Journal of Plant Physiology·Beatriz Fernández-MarínJosé Ignacio García-Plazaola
Jul 27, 2007·Current Opinion in Plant Biology·André Kessler, Rayko Halitschke
Nov 14, 2006·Trends in Ecology & Evolution·Anurag A Agrawal
Feb 18, 2009·Evolution; International Journal of Organic Evolution·Anurag A AgrawalMark Fishbein
Dec 19, 2007·The New Phytologist·Martin Heil
Nov 7, 2006·The New Phytologist·Judith L BronsteinMonica Geber
Jan 16, 2009·The Plant Journal : for Cell and Molecular Biology·Marcia González-TeuberMartin Heil
Jun 27, 2006·Ecology Letters·Martin Heil, Christian Kost
Aug 29, 2006·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Christian Braendle, Thomas Flatt
Feb 13, 2009·Evolution; International Journal of Organic Evolution·Stefanie KautzMartin Heil
Oct 19, 2012·The Plant Journal : for Cell and Molecular Biology·Domancar Orona-TamayoMartin Heil
Jan 8, 2014·The New Phytologist·Marcia González-TeuberWilhelm Boland
May 21, 2005·Biochimica Et Biophysica Acta·Gen-ichiro ArimuraWilhelm Boland
Apr 14, 2016·Trends in Ecology & Evolution·Nicholas A Levis, David W Pfennig
May 1, 2007·Plant Signaling & Behavior·Martin Heil, Juan Carlos Silva Bueno
Jul 14, 2010·Plant Signaling & Behavior·Venkatesan RadhikaMartin Heil
Mar 17, 2015·Current Biology : CB·Edze R WestraAngus Buckling
Aug 23, 2006·Ecology·Anurag A Agrawal, Mark Fishbein
Dec 31, 2016·Insect Science·Zainab Aljbory, Ming-Shun Chen
Dec 7, 2013·Scientific Reports·Zhiwu HanLuquan Ren
Apr 28, 2017·Molecular Ecology·Marco Todesco, Quentin Cronk

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