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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Out of America: Tracing the genetic footprints of the global diffusion of maize
Theoretical and Applied Genetics, Volume 126, No. 11, Year 2013
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Description
Maize was first domesticated in a restricted valley in south-central Mexico. It was diffused throughout the Americas over thousands of years, and following the discovery of the New World by Columbus, was introduced into Europe. Trade and colonization introduced it further into all parts of the world to which it could adapt. Repeated introductions, local selection and adaptation, a highly diverse gene pool and outcrossing nature, and global trade in maize led to difficulty understanding exactly where the diversity of many of the local maize landraces originated. This is particularly true in Africa and Asia, where historical accounts are scarce or contradictory. Knowledge of post-domestication movements of maize around the world would assist in germplasm conservation and plant breeding efforts. To this end, we used SSR markers to genotype multiple individuals from hundreds of representative landraces from around the world. Applying a multidisciplinary approach combining genetic, linguistic, and historical data, we reconstructed possible patterns of maize diffusion throughout the world from American "contribution" centers, which we propose reflect the origins of maize worldwide. These results shed new light on introductions of maize into Africa and Asia. By providing a first globally comprehensive genetic characterization of landraces using markers appropriate to this evolutionary time frame, we explore the post-domestication evolutionary history of maize and highlight original diversity sources that may be tapped for plant improvement in different regions of the world. © 2013 Springer-Verlag Berlin Heidelberg (outside the USA).
Authors & Co-Authors
Mir, Céline
France, Versailles
Centre de Recherche Île-de-france - Versailles-grignon
Zerjal, Tatiana
France, Palaiseau
Agroparistech
Combes, V.
France, Versailles
Centre de Recherche Île-de-france - Versailles-grignon
Dumas, Fabrice
France, Versailles
Centre de Recherche Île-de-france - Versailles-grignon
Madur, Delphine
France, Versailles
Centre de Recherche Île-de-france - Versailles-grignon
Bedoya, Claudia A.
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Dreisigacker, Susanne
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Franco, Jorge
Uruguay
Facultad de Agronomia, Estadistica y Computacion
Grudloyma, Pichet
Thailand, Tak Fa, Nakhon Sawan
Nakhon Sawan Field Crops Research Center
Hao, P. X.
Viet Nam, Hanoi
National Maize Research Institute
Hearne, Sarah J.
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Jampatong, C.
Thailand, Bangkok
Kasetsart University
Laloè, Denis
France, Palaiseau
Agroparistech
Muthamia, Z.
Kenya, Nairobi
Kenya Agricultural Research Institute
Nguyen, T.
Viet Nam, Hanoi
National Maize Research Institute
Boddupalli, Prasanna M.
India, New Delhi
Icar - Indian Agricultural Research Institute, new Delhi
Kenya, Nairobi
Cimmyt
Taba, Suketoshi
Mexico, Texcoco
Centro Internacional de Mejoramiento de Maiz y Trigo
Xie, Chuanxiao
China, Beijing
Chinese Academy of Agricultural Sciences
Yunus, M.
Indonesia, Bogor
Indonesian Department of Agriculture
Zhang, Shihuang
China, Beijing
Chinese Academy of Agricultural Sciences
Warburton, Marilyn L.
United States, Mississippi State
Mississippi State University
Charcosset, Alain
France, Versailles
Centre de Recherche Île-de-france - Versailles-grignon
Statistics
Citations: 22
Authors: 22
Affiliations: 13
Identifiers
Doi:
10.1007/s00122-013-2164-z
ISSN:
00405752
Research Areas
Genetics And Genomics