Published in

American Association for the Advancement of Science, Science, 6420(362), p. 1309-1313, 2018

DOI: 10.1126/science.aav0207

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Multiproxy evidence highlights a complex evolutionary legacy of maize in South America

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The complexity of maize domestication Maize originated in what is now central Mexico about 9000 years ago and spread throughout the Americas before European contact. Kistler et al. applied genomic analysis to ancient and extant South American maize lineages to investigate the genetic changes that accompanied domestication (see the Perspective by Zeder). The origin of modern maize cultivars likely involved a “semidomesticated” lineage that moved out of Mexico. Later improvements then occurred among multiple South American populations, including those in southwestern Amazonia. Science , this issue p. 1309 ; see also p. 1246