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Article

Genotyping-by-Sequencing in Vigna unguiculata Landraces and Its Utility for Assessing Taxonomic Relationships

1
Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), via Amendola 165/A, 70126 Bari, Italy
2
Department of Soil, Plant and Food Science, University of Bari “Aldo Moro”, via Amendola 165/A, 70126 Bari, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Tika Adhikari
Plants 2021, 10(3), 509; https://doi.org/10.3390/plants10030509
Received: 28 January 2021 / Revised: 5 March 2021 / Accepted: 6 March 2021 / Published: 9 March 2021
(This article belongs to the Special Issue Germplasm Diversity for Sustainability and Crop Improvement)
Genotyping by sequencing (GBS) was used to analyze relationships among cowpea and asparagus bean landraces from southern Italy and to assess the utility of this technology to study taxonomy in a wider panel, including V. unguiculata cultigroups, subspecies, and other Vigna species. The analysis of SNPs derived from GBS highlighted that, among the cowpea landraces, the African samples were separated from the other material, while, for the Italian landraces, a certain clustering depending on seed color/pattern was observed in the dendrogram. When examining the V. unguiculata species complex, a clear separation between the two groups of wild subspecies, i.e., the allogamous wild perennials and the perennial out/inbreds, could be observed, the former representing the more ancestral wild progenitors of V. unguiculata. The species V. vexillata appeared more closely related to V. unguiculata than to the other Vigna species analyzed. View Full-Text
Keywords: Vigna unguiculata; cowpea; Vigna taxonomy; GBS; SNP; landraces Vigna unguiculata; cowpea; Vigna taxonomy; GBS; SNP; landraces
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MDPI and ACS Style

Zuluaga, D.L.; Lioi, L.; Delvento, C.; Pavan, S.; Sonnante, G. Genotyping-by-Sequencing in Vigna unguiculata Landraces and Its Utility for Assessing Taxonomic Relationships. Plants 2021, 10, 509. https://doi.org/10.3390/plants10030509

AMA Style

Zuluaga DL, Lioi L, Delvento C, Pavan S, Sonnante G. Genotyping-by-Sequencing in Vigna unguiculata Landraces and Its Utility for Assessing Taxonomic Relationships. Plants. 2021; 10(3):509. https://doi.org/10.3390/plants10030509

Chicago/Turabian Style

Zuluaga, Diana L., Lucia Lioi, Chiara Delvento, Stefano Pavan, and Gabriella Sonnante. 2021. "Genotyping-by-Sequencing in Vigna unguiculata Landraces and Its Utility for Assessing Taxonomic Relationships" Plants 10, no. 3: 509. https://doi.org/10.3390/plants10030509

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