The effect of artificial selection on phenotypic plasticity in maize

Joseph L. Gage, Diego Jarquin, Cinta Romay, Aaron Lorenz, Edward S. Buckler, Shawn Kaeppler, Naser Alkhalifah, Martin Bohn, Darwin A. Campbell, Jode Edwards, David Ertl, Sherry Flint-Garcia, Jack Gardiner, Byron Good, Candice N. Hirsch, Jim Holland, David C. Hooker, Joseph Knoll, Judith Kolkman, Greg Kruger, Nick Lauter, Carolyn J. Lawrence-Dill, Elizabeth Lee, Jonathan Lynch, Seth C. Murray, Rebecca Nelson, Jane Petzoldt, Torbert Rocheford, James Schnable, Patrick S. Schnable, Brian Scully, Margaret Smith, Nathan M. Springer, Srikant Srinivasan, Renee Walton, Teclemariam Weldekidan, Randall J. Wisser, Wenwei Xu, Jianming Yu and Natalia Leon ()
Additional contact information
Joseph L. Gage: University of Wisconsin-Madison
Diego Jarquin: University of Nebraska-Lincoln
Cinta Romay: Cornell University
Aaron Lorenz: University of Minnesota-St Paul
Edward S. Buckler: Cornell University
Shawn Kaeppler: University of Wisconsin-Madison
Naser Alkhalifah: University of Wisconsin-Madison
Martin Bohn: University of Illinois at Urban-Champaign
Darwin A. Campbell: Iowa State University
Jode Edwards: Iowa State University
David Ertl: Iowa Corn Promotion Board
Sherry Flint-Garcia: University of Missouri
Jack Gardiner: University of Missouri–Columbia
Byron Good: University of Guelph
Candice N. Hirsch: University of Minnesota-St Paul
Jim Holland: North Carolina State University
David C. Hooker: University of Guelph-Ridgetown Campus
Joseph Knoll: USDA-ARS Crop Genetics and Breeding Research Unit
Judith Kolkman: Cornell University
Greg Kruger: University of Nebraska-Lincoln
Nick Lauter: Iowa State University
Carolyn J. Lawrence-Dill: Iowa State University
Elizabeth Lee: University of Guelph
Jonathan Lynch: Penn State University, University Park
Seth C. Murray: Texas A&M University
Rebecca Nelson: Cornell University
Jane Petzoldt: University of Wisconsin-Madison
Torbert Rocheford: Purdue University
James Schnable: University of Nebraska-Lincoln
Patrick S. Schnable: Iowa State University
Brian Scully: USDA-ARS U.S. Horticultural Research Laboratory
Margaret Smith: Cornell University
Nathan M. Springer: University of Minnesota
Srikant Srinivasan: Indian Institute of Technology Mandi
Renee Walton: Iowa State University
Teclemariam Weldekidan: University of Delaware
Randall J. Wisser: University of Delaware
Wenwei Xu: Texas A&M University
Jianming Yu: Iowa State University
Natalia Leon: University of Wisconsin-Madison

Nature Communications, 2017, vol. 8, issue 1, 1-11

Abstract: Abstract Remarkable productivity has been achieved in crop species through artificial selection and adaptation to modern agronomic practices. Whether intensive selection has changed the ability of improved cultivars to maintain high productivity across variable environments is unknown. Understanding the genetic control of phenotypic plasticity and genotype by environment (G × E) interaction will enhance crop performance predictions across diverse environments. Here we use data generated from the Genomes to Fields (G2F) Maize G × E project to assess the effect of selection on G × E variation and characterize polymorphisms associated with plasticity. Genomic regions putatively selected during modern temperate maize breeding explain less variability for yield G × E than unselected regions, indicating that improvement by breeding may have reduced G × E of modern temperate cultivars. Trends in genomic position of variants associated with stability reveal fewer genic associations and enrichment of variants 0–5000 base pairs upstream of genes, hypothetically due to control of plasticity by short-range regulatory elements.

Date: 2017
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DOI: 10.1038/s41467-017-01450-2

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