Evolution of polyploidy and the diversification of plant-pollinator interactions

Ecology
John N Thompson, Kurt F Merg

Abstract

One of the major mechanisms of plant diversification has been the evolution of polyploid populations that differ from their diploid progenitors in morphology, physiology, and environmental tolerances. Recent studies have indicated that polyploidy may also have major effects on ecological interactions with herbivores and pollinators. We evaluated pollination of sympatric diploid and tetraploid plants of the rhizomatous herb Heuchera grossulariifolia (Saxifragaceae) along the Selway and Salmon Rivers of northern Idaho, USA, during four consecutive years. Previous molecular and ecological analyses had indicated that the tetraploid populations along these two river systems are independently derived and differ from each other in multiple traits. In each region, we evaluated floral visitation rate by all insect visitors, pollination efficacy of all major visitors, and relative contribution of all major pollinators to seed set. In both regions, diploid and tetraploid plants attracted different suites of floral visitors. Most pollination was attributable to several bee species and the moth Greya politella. Lasioglossum bees preferentially visited diploid plants at Lower Salmon but not at Upper Selway, queen Bombus centralis preferentia...Continue Reading

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Citations

Mar 16, 2011·Proceedings of the National Academy of Sciences of the United States of America·Justin Ramsey
Mar 16, 2012·Genome Biology and Evolution·Ignacio MaesoManuel Irimia
Jun 25, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Justin Ramsey, Tara S Ramsey
Jan 6, 2009·The American Naturalist·John N Thompson
Jun 26, 2009·The New Phytologist·Lawrence D Harder, Steven D Johnson
Sep 10, 2010·Ecology Letters·John N ThompsonJill F Thompson
Dec 15, 2010·Evolution; International Journal of Organic Evolution·Benjamin P Oswald, Scott L Nuismer
Jan 15, 2010·The New Phytologist·Christian ParisodChristian Brochmann
Apr 24, 2015·Evolution; International Journal of Organic Evolution·Kathy RoccaforteDiana Pilson
Oct 18, 2014·The New Phytologist·Jan SudaPetr Pyšek
Jul 12, 2016·The New Phytologist·D Blaine MarchantPamela S Soltis
Nov 2, 2011·Annals of Botany·Mariska te BeestPetr Pysek
Apr 19, 2017·The New Phytologist·Kari A Segraves
Mar 1, 2018·Annual Review of Plant Biology·Jana C VamosiHervé Sauquet
May 29, 2016·American Journal of Botany·Douglas E SoltisPamela S Soltis
Jul 3, 2016·American Journal of Botany·Kari A Segraves, Thomas J Anneberg
Oct 30, 2016·American Journal of Botany·Adrian F Powell, Jeff J Doyle
Feb 13, 2013·American Journal of Botany·William GodsoeKari A Segraves
Dec 27, 2018·The New Phytologist·Javier López-JuradoFrancisco Balao
Mar 23, 2019·American Journal of Botany·Laura D PorturasKari A Segraves
Apr 6, 2020·The New Phytologist·Nicole J ForresterTia-Lynn Ashman
Feb 16, 2019·Proceedings of the National Academy of Sciences of the United States of America·Magne FribergJohn N Thompson
Jan 30, 2019·Applications in Plant Sciences·Rodrigo RiveroRosana Zenil-Ferguson
Nov 6, 2020·American Journal of Botany·Maria MartinoJames B Beck
Aug 10, 2017·American Journal of Botany·Robert G Laport, Julienne Ng
Apr 29, 2021·Journal of Experimental Botany·Juan José Domínguez-DelgadoFrancisco Balao

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