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

Author:

Kistler Logan12ORCID,Maezumi S. Yoshi34ORCID,Gregorio de Souza Jonas3ORCID,Przelomska Natalia A. S.15ORCID,Malaquias Costa Flaviane6ORCID,Smith Oliver7ORCID,Loiselle Hope18,Ramos-Madrigal Jazmín7ORCID,Wales Nathan9ORCID,Ribeiro Eduardo Rivail1ORCID,Morrison Ryan R.2,Grimaldo Claudia10,Prous Andre P.11,Arriaza Bernardo12ORCID,Gilbert M. Thomas P.713ORCID,de Oliveira Freitas Fabio14ORCID,Allaby Robin G.2

Affiliation:

1. Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA.

2. Department of Life Science, University of Warwick, Coventry CV4 7AL, UK.

3. Department of Archaeology, College of Humanities, University of Exeter, Laver Building, North Park Road, Exeter EX4 4QE, UK.

4. Department of Geography and Geology, The University of the West Indies, Mona Campus, Kingston, Jamaica.

5. Center for Conservation Genomics, Smithsonian Conservation Biology Institute, National Zoo, Washington, DC 20008, USA.

6. University of São Paulo, Escola Superior de Agricultura Luis de Queiroz, Piracicaba, SP 13418-900, Brazil.

7. Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark.

8. Department of Anthropology, University of Washington, Denny Hall 314, Seattle, WA 98195, USA.

9. Department of Archaeology, University of York, King's Manor, York YO1 7EP, UK.

10. Department of Oncology, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford, OX3 7DQ, UK.

11. Museu de Historia Natural e Jardim Botânico da Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil.

12. Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile.

13. Norwegian University of Science and Technology, University Museum, 7491 Trondheim, Norway.

14. Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, CEP 70770-901, Brazil.

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

Funder

Natural Environment Research Council

Science and Technology Facilities Council

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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