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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Massive Sorghum Collection Genotyped with SSR Markers to Enhance Use of Global Genetic Resources
PLoS ONE, Volume 8, No. 4, Article e59714, Year 2013
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Description
Large ex situ collections require approaches for sampling manageable amounts of germplasm for in-depth characterization and use. We present here a large diversity survey in sorghum with 3367 accessions and 41 reference nuclear SSR markers. Of 19 alleles on average per locus, the largest numbers of alleles were concentrated in central and eastern Africa. Cultivated sorghum appeared structured according to geographic regions and race within region. A total of 13 groups of variable size were distinguished. The peripheral groups in western Africa, southern Africa and eastern Asia were the most homogeneous and clearly differentiated. Except for Kafir, there was little correspondence between races and marker-based groups. Bicolor, Caudatum, Durra and Guinea types were each dispersed in three groups or more. Races should therefore better be referred to as morphotypes. Wild and weedy accessions were very diverse and scattered among cultivated samples, reinforcing the idea that large gene-flow exists between the different compartments. Our study provides an entry to global sorghum germplasm collections. Our reference marker kit can serve to aggregate additional studies and enhance international collaboration. We propose a core reference set in order to facilitate integrated phenotyping experiments towards refined functional understanding of sorghum diversity. © 2013 Billot et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC3614975/bin/pone.0059714.s001.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC3614975/bin/pone.0059714.s002.eps
https://efashare.b-cdn.net/share/pmc/articles/PMC3614975/bin/pone.0059714.s003.eps
https://efashare.b-cdn.net/share/pmc/articles/PMC3614975/bin/pone.0059714.s004.txt
https://efashare.b-cdn.net/share/pmc/articles/PMC3614975/bin/pone.0059714.s005.txt
Authors & Co-Authors
Billot, Claire
France, Paris
Cirad
Ramu, Punna
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Bouchet, Sophie
France, Paris
Cirad
France, Paris
Cnrs Centre National de la Recherche Scientifique
Chantereau, Jacques
France, Paris
Cirad
Deu, Monique
France, Paris
Cirad
Gardès, Laëtitia
France, Paris
Cirad
Noyer, J. L.
France, Paris
Cirad
Rami, Jean François
France, Paris
Cirad
Rivallan, Ronan
France, Paris
Cirad
Li, Yu Zhon
China, Beijing
Chinese Academy of Agricultural Sciences
Wang, Tianyu
China, Beijing
Chinese Academy of Agricultural Sciences
Folkertsma, Rolf T.
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Netherlands, Bergschenhoek
Monsanto Holland bv
Arnaud, Elizabeth
Italy, Rome
Bioversity International
Upadhyaya, Hari Deo
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Glaszmann, Jean Christophe
France, Paris
Cirad
Hash, Charles Tom
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Statistics
Citations: 75
Authors: 16
Affiliations: 6
Identifiers
Doi:
10.1371/journal.pone.0059714
ISSN:
19326203
Research Areas
Cancer
Genetics And Genomics
Study Design
Cross Sectional Study
Study Approach
Qualitative
Quantitative
Study Locations
Guinea