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Genetic diversity and population structure of native maize populations in Latin America and the Caribbean

Author: Bedoya-Salazar, C.A.
Author: Dreisigacker, Susanne
Author: Hearne, S.
Author: Franco, J.
Author: Mir, C.
Author: Prasanna, B.M.
Author: Suketoshi Taba
Author: Charcosset, A.
Author: Warburton, M.L.
Year: 2017
Abstract: This study describes the genetic diversity and population structure of 194 native maize populations from 23 countries of Latin America and the Caribbean. The germplasm, representing 131 distinct landraces, was genetically characterized as population bulks using 28 SSR markers. Three main groups of maize germplasm were identified. The first, the Mexico and Southern Andes group, highlights the Pre-Columbian and modern exchange of germplasm between North and South America. The second group, Mesoamerica lowland, supports the hypothesis that two separate human migration events could have contributed to Caribbean maize germplasm. The third, the Andean group, displayed early introduction of maize into the Andes, with little mixing since then, other than a regional interchange zone active in the past. Events and activities in the pre- and post-Columbian Americas including the development and expansion of pre-Columbian cultures and the arrival of Europeans to the Americas are discussed in relation to the history of maize migration from its point of domestication in Mesoamerica to South America and the Caribbean through sea and land routes.
Format: PDF
Language: English
Publisher: Public Library of Science
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Type: Article
Place of Publication: San Francisco, USA
Issue: 4
Volume: 12
DOI: 10.1371/journal.pone.0173488
Country of Focus: MEXICO
Country of Focus: CARIBBEAN
Country of Focus: SOUTH AMERICA
Country of Focus: NORTH AMERICA
Agrovoc: MAIZE
Related Datasets:
Elocator: e0173488
ISSN: 1932-6203
Journal: PLoS ONE

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  • Genetic Resources
    Genetic Resources including germplasm collections, wild relatives, genotyping, genomics, and IP

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