ArticleG3 (Bethesda, Md.)2024
The pattern of genetic variability in a core collection of 2,021 cowpea accessions.
Article in G3 (Bethesda, Md.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Pan-genome analysis uncovers extensive structural variations in Africa's indigenous legume crop cowpea.Nature communications · 2026Article
- Identification of Genetic Variation Associated With Heat Tolerance in Cowpea (Vigna unguiculata L. Walp.).Molecular ecology · 2026Article
- Scaling up orphan crop research: genebank genetics highlight geographic structure in cultivated cowpea from 10 617 global accessions.The Plant journal : for cell and molecular biology · 2026Article
- Genetic architecture of cowpea domestication: QTL mapping and comparison shed new light on the dual domestication events.G3 (Bethesda, Md.) · 2026Article
- Genome-Wide, High-Density Genotyping Approaches for Plant Germplasm Characterisation (Methods and Applications).International journal of molecular sciences · 2025Review
- Genome-wide association study reveals novel genomic regions for flowering time and growth habit in cowpea (Vigna unguiculata [L.] Walp).BMC genomics · 2025Article
- Structural and Functional Properties of Underutilised Cowpea and Moth Bean Starches.Foods (Basel, Switzerland) · 2025Article
- Identification of novel genomic regions associated with yield-related traits in cowpea (Molecular breeding : new strategies in plant improvement · 2025Article
- Genetic diversity and structure of Asian cowpea germplasm.Scientific reports · 2025Article
- The Kirkhouse Trust: Successes and Challenges in Twenty Years of Supporting Independent, Contemporary Grain Legume Breeding Projects in India and African Countries.Plants (Basel, Switzerland) · 2024Review
- Genetic Dissection of Diverse Seed Coat Patterns in Cowpea through a Comprehensive GWAS Approach.Plants (Basel, Switzerland) · 2024Article
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Authors and funding
11 authors.
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Abstract
Cowpea is a highly drought-adapted leguminous crop with great promise for improving agricultural sustainability and food security. Here, we report analyses derived from array-based genotyping of 2,021 accessions constituting a core subset of the world's largest cowpea collection, held at the International Institute of Tropical Agriculture (IITA) in Ibadan, Nigeria. We used this dataset to examine genetic variation and population structure in worldwide cowpea. We confirm that the primary pattern of population structure is two geographically defined subpopulations originating in West and East Africa, respectively, and that population structure is associated with shifts in phenotypic distribution. Furthermore, we establish the cowpea core collection as a resource for genome-wide association studies by mapping the genetic basis of several phenotypes, with a focus on seed coat pigmentation patterning and color. We anticipate that the genotyped IITA Cowpea Core Collection will serve as a powerful tool for mapping complex traits, facilitating the acceleration of breeding programs to enhance the resilience of this crop in the face of rapid global climate change.
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