The arches and spandrels of maize domestication, adaptation, and improvement

People living in the Balsas River basin in southwest México domesticated maize from the bushy grass teosinte. Nine thousand years later, in 2021, Ms. Deb Haaland — a member of the Pueblo of Laguna tribe of New Mexico — wore a dress adorned with a cornstalk when she was sworn in as the Secretary of I...

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Published in:Current opinion in plant biology Vol. 64; p. 102124
Main Authors: Abraham-Juárez, María Jazmín, Barnes, Allison C., Aragón-Raygoza, Alejandro, Tyson, Destiny, Kur, Andi, Strable, Josh, Rellán-Álvarez, Rubén
Format: Journal Article
Language:English
Published: England Elsevier Ltd 01-12-2021
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Summary:People living in the Balsas River basin in southwest México domesticated maize from the bushy grass teosinte. Nine thousand years later, in 2021, Ms. Deb Haaland — a member of the Pueblo of Laguna tribe of New Mexico — wore a dress adorned with a cornstalk when she was sworn in as the Secretary of Interior of the United States of America. This choice of garment highlights the importance of the coevolution of maize and the farmers who, through careful selection over thousands of years, domesticated maize and adapted the physiology and shoot architecture of maize to fit local environments and growth habits. Some traits such as tillering were directly selected on (arches), and others such as tassel size are the by-products (spandrels) of maize evolution. Here, we review current knowledge of the underlying cellular, developmental, physiological, and metabolic processes that were selected by farmers and breeders, which have positioned maize as a top global staple crop.
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ISSN:1369-5266
1879-0356
DOI:10.1016/j.pbi.2021.102124