Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa
Simple sequence repeat (SSR) molecular markers were used for genetic diversity analysis and population structure of the cultivated Pearl millet in Benin, West Africa. In order to assess the level of genetic diversity, 14 polymorphic SSR markers were used to screen 114 accessions from different agro-ecological zones in Benin. SSR markers were found to reveal a total of 57 alleles with an average of 4.071 allele per locus. Genetic diversity index varied from 0.099 to 0.633 with an average of 0.405. The average observed heterozygosity was found to reach 0.425. The analysis of molecular variance showed no real differentiation between regions. Only 5% of genetic variation was observed between samples collected from north-eastern and north-western region. A high level of variation (95%) was observed among accessions. Moreover, both principal component analysis (PCA) and the dendrogram obtained from the genetic distance among accessions revealed the absence of any specific structuration of accessions from each region under study. Our results confirmed diversity among cultivated Pearl millet in Benin and such diversity is not clustering according to geographical patterns.
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Subjects: | F30 - Génétique et amélioration des plantes, U30 - Méthodes de recherche, Cenchrus americanus, génétique des populations, variation génétique, marqueur génétique, polymorphisme génétique, http://aims.fao.org/aos/agrovoc/c_13199, http://aims.fao.org/aos/agrovoc/c_34326, http://aims.fao.org/aos/agrovoc/c_15975, http://aims.fao.org/aos/agrovoc/c_24030, http://aims.fao.org/aos/agrovoc/c_24031, http://aims.fao.org/aos/agrovoc/c_875, http://aims.fao.org/aos/agrovoc/c_8355, |
Online Access: | http://agritrop.cirad.fr/584244/ http://agritrop.cirad.fr/584244/1/Ade%CC%81oti%20et%20al.%202017.PDF |
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dig-cirad-fr-5842442024-01-29T00:16:08Z http://agritrop.cirad.fr/584244/ http://agritrop.cirad.fr/584244/ Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa. Adeoti Adéola Zouri-Kifouli, Djedatin Gustave, Ewedje Ebenezer, Beulé Thierry, Santoni Sylvain, Rival Alain, Jaligot Estelle. 2017. African Journal of Biotechnology, 16 (15) : 782-790.https://doi.org/10.5897/AJB2017.15898 <https://doi.org/10.5897/AJB2017.15898> Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa Adeoti, Adéola Zouri-Kifouli Djedatin, Gustave Ewedje, Ebenezer Beulé, Thierry Santoni, Sylvain Rival, Alain Jaligot, Estelle eng 2017 African Journal of Biotechnology F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 Bénin Afrique occidentale http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 Simple sequence repeat (SSR) molecular markers were used for genetic diversity analysis and population structure of the cultivated Pearl millet in Benin, West Africa. In order to assess the level of genetic diversity, 14 polymorphic SSR markers were used to screen 114 accessions from different agro-ecological zones in Benin. SSR markers were found to reveal a total of 57 alleles with an average of 4.071 allele per locus. Genetic diversity index varied from 0.099 to 0.633 with an average of 0.405. The average observed heterozygosity was found to reach 0.425. The analysis of molecular variance showed no real differentiation between regions. Only 5% of genetic variation was observed between samples collected from north-eastern and north-western region. A high level of variation (95%) was observed among accessions. Moreover, both principal component analysis (PCA) and the dendrogram obtained from the genetic distance among accessions revealed the absence of any specific structuration of accessions from each region under study. Our results confirmed diversity among cultivated Pearl millet in Benin and such diversity is not clustering according to geographical patterns. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/584244/1/Ade%CC%81oti%20et%20al.%202017.PDF other Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.5897/AJB2017.15898 10.5897/AJB2017.15898 info:eu-repo/semantics/altIdentifier/doi/10.5897/AJB2017.15898 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.5897/AJB2017.15898 |
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F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 |
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F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 Adeoti, Adéola Zouri-Kifouli Djedatin, Gustave Ewedje, Ebenezer Beulé, Thierry Santoni, Sylvain Rival, Alain Jaligot, Estelle Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
description |
Simple sequence repeat (SSR) molecular markers were used for genetic diversity analysis and population structure of the cultivated Pearl millet in Benin, West Africa. In order to assess the level of genetic diversity, 14 polymorphic SSR markers were used to screen 114 accessions from different agro-ecological zones in Benin. SSR markers were found to reveal a total of 57 alleles with an average of 4.071 allele per locus. Genetic diversity index varied from 0.099 to 0.633 with an average of 0.405. The average observed heterozygosity was found to reach 0.425. The analysis of molecular variance showed no real differentiation between regions. Only 5% of genetic variation was observed between samples collected from north-eastern and north-western region. A high level of variation (95%) was observed among accessions. Moreover, both principal component analysis (PCA) and the dendrogram obtained from the genetic distance among accessions revealed the absence of any specific structuration of accessions from each region under study. Our results confirmed diversity among cultivated Pearl millet in Benin and such diversity is not clustering according to geographical patterns. |
format |
article |
topic_facet |
F30 - Génétique et amélioration des plantes U30 - Méthodes de recherche Cenchrus americanus génétique des populations variation génétique marqueur génétique polymorphisme génétique http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_34326 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_24030 http://aims.fao.org/aos/agrovoc/c_24031 http://aims.fao.org/aos/agrovoc/c_875 http://aims.fao.org/aos/agrovoc/c_8355 |
author |
Adeoti, Adéola Zouri-Kifouli Djedatin, Gustave Ewedje, Ebenezer Beulé, Thierry Santoni, Sylvain Rival, Alain Jaligot, Estelle |
author_facet |
Adeoti, Adéola Zouri-Kifouli Djedatin, Gustave Ewedje, Ebenezer Beulé, Thierry Santoni, Sylvain Rival, Alain Jaligot, Estelle |
author_sort |
Adeoti, Adéola Zouri-Kifouli |
title |
Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
title_short |
Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
title_full |
Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
title_fullStr |
Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
title_full_unstemmed |
Assessment of genetic diversity among cultivated Pearl millet (Pennisetum glaucum, Poaceae) accessions from Benin, West Africa |
title_sort |
assessment of genetic diversity among cultivated pearl millet (pennisetum glaucum, poaceae) accessions from benin, west africa |
url |
http://agritrop.cirad.fr/584244/ http://agritrop.cirad.fr/584244/1/Ade%CC%81oti%20et%20al.%202017.PDF |
work_keys_str_mv |
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