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New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal

Pearl millet (Pennisetum glaucum (L.) R. Br.) is a staple food and a drought-tolerant cereal well adapted to Sub-Saharan Africa agro-ecosystems. An important diversity of pearl millet landraces has been widely conserved by farmers and therefore could help copping with climate changes and contribute...

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Autores principales: Diack, Oumar, Kane, Ndjido A., Berthouly-Salazar, Cecile, Gueye, Mame C., Diop, Baye M., Fofana, Amadou, Sy, Ousmane, Tall, Hamidou, Zekraoui, Leila, Piquet, Marie, Couderc, Marie, Vigouroux, Yves, Diouf, Diaga, Barnaud, Adeline
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5434141/
https://www.ncbi.nlm.nih.gov/pubmed/28567050
http://dx.doi.org/10.3389/fpls.2017.00818
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author Diack, Oumar
Kane, Ndjido A.
Berthouly-Salazar, Cecile
Gueye, Mame C.
Diop, Baye M.
Fofana, Amadou
Sy, Ousmane
Tall, Hamidou
Zekraoui, Leila
Piquet, Marie
Couderc, Marie
Vigouroux, Yves
Diouf, Diaga
Barnaud, Adeline
author_facet Diack, Oumar
Kane, Ndjido A.
Berthouly-Salazar, Cecile
Gueye, Mame C.
Diop, Baye M.
Fofana, Amadou
Sy, Ousmane
Tall, Hamidou
Zekraoui, Leila
Piquet, Marie
Couderc, Marie
Vigouroux, Yves
Diouf, Diaga
Barnaud, Adeline
author_sort Diack, Oumar
collection PubMed
description Pearl millet (Pennisetum glaucum (L.) R. Br.) is a staple food and a drought-tolerant cereal well adapted to Sub-Saharan Africa agro-ecosystems. An important diversity of pearl millet landraces has been widely conserved by farmers and therefore could help copping with climate changes and contribute to future food security. Hence, characterizing its genetic diversity and population structure can contribute to better assist breeding programs for a sustainable agricultural productivity enhancement. Toward this goal, a comprehensive panel of 404 accessions were used that correspond to 12 improved varieties, 306 early flowering and 86 late-flowering cultivated landraces from Senegal. Twelve highly polymorphic SSR markers were used to study diversity and population structure. Two genes, PgMADS11 and PgPHYC, were genotyped to assess their association to flowering phenotypic difference in landraces. Results indicate a large diversity and untapped potential of Senegalese pearl millet germplasm as well as a genetic differentiation between early- and late-flowering landraces. Further, a fine-scale genetic difference of PgPHYC and PgMADS11 (SNP and indel, respectively) and co-variation of their alleles with flowering time were found among landraces. These findings highlight new genetic insights of pearl millet useful to define heterotic populations for breeding, genomic association panel, or crosses for trait-specific mapping.
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spelling pubmed-54341412017-05-31 New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal Diack, Oumar Kane, Ndjido A. Berthouly-Salazar, Cecile Gueye, Mame C. Diop, Baye M. Fofana, Amadou Sy, Ousmane Tall, Hamidou Zekraoui, Leila Piquet, Marie Couderc, Marie Vigouroux, Yves Diouf, Diaga Barnaud, Adeline Front Plant Sci Plant Science Pearl millet (Pennisetum glaucum (L.) R. Br.) is a staple food and a drought-tolerant cereal well adapted to Sub-Saharan Africa agro-ecosystems. An important diversity of pearl millet landraces has been widely conserved by farmers and therefore could help copping with climate changes and contribute to future food security. Hence, characterizing its genetic diversity and population structure can contribute to better assist breeding programs for a sustainable agricultural productivity enhancement. Toward this goal, a comprehensive panel of 404 accessions were used that correspond to 12 improved varieties, 306 early flowering and 86 late-flowering cultivated landraces from Senegal. Twelve highly polymorphic SSR markers were used to study diversity and population structure. Two genes, PgMADS11 and PgPHYC, were genotyped to assess their association to flowering phenotypic difference in landraces. Results indicate a large diversity and untapped potential of Senegalese pearl millet germplasm as well as a genetic differentiation between early- and late-flowering landraces. Further, a fine-scale genetic difference of PgPHYC and PgMADS11 (SNP and indel, respectively) and co-variation of their alleles with flowering time were found among landraces. These findings highlight new genetic insights of pearl millet useful to define heterotic populations for breeding, genomic association panel, or crosses for trait-specific mapping. Frontiers Media S.A. 2017-05-17 /pmc/articles/PMC5434141/ /pubmed/28567050 http://dx.doi.org/10.3389/fpls.2017.00818 Text en Copyright © 2017 Diack, Kane, Berthouly-Salazar, Gueye, Diop, Fofana, Sy, Tall, Zekraoui, Piquet, Couderc, Vigouroux, Diouf and Barnaud. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Plant Science
Diack, Oumar
Kane, Ndjido A.
Berthouly-Salazar, Cecile
Gueye, Mame C.
Diop, Baye M.
Fofana, Amadou
Sy, Ousmane
Tall, Hamidou
Zekraoui, Leila
Piquet, Marie
Couderc, Marie
Vigouroux, Yves
Diouf, Diaga
Barnaud, Adeline
New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title_full New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title_fullStr New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title_full_unstemmed New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title_short New Genetic Insights into Pearl Millet Diversity As Revealed by Characterization of Early- and Late-Flowering Landraces from Senegal
title_sort new genetic insights into pearl millet diversity as revealed by characterization of early- and late-flowering landraces from senegal
topic Plant Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5434141/
https://www.ncbi.nlm.nih.gov/pubmed/28567050
http://dx.doi.org/10.3389/fpls.2017.00818
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