ArticleMolecular horticulture2022
Genetic differentiation of grain, fodder and pod vegetable type cowpeas (Vigna unguiculata L.) identified through single nucleotide polymorphisms from genotyping-by-sequencing.
Article in Molecular horticulture, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Pan-genome analysis uncovers extensive structural variations in Africa's indigenous legume crop cowpea.Nature communications · 2026Article
- 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
- Differential selection of yield and quality traits has shaped genomic signatures of cowpea domestication and improvement.Nature genetics · 2024Article
- Article
- Editorial: Harnessing genebanks: High-throughput phenotyping and genotyping of crop wild relatives and landraces.Frontiers in plant science · 2023Article
- Genetic Augmentation of Legume Crops Using Genomic Resources and Genotyping Platforms for Nutritional Food Security.Plants (Basel, Switzerland) · 2022Review
- Genome-Environment Associations, an Innovative Tool for Studying Heritable Evolutionary Adaptation in Orphan Crops and Wild Relatives.Frontiers in genetics · 2022Review
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
The species Vigna unguiculata L. (Walp), commonly known as cowpea, is a multi-purpose legume that has been selected into three subspecies that are divided into grain, fodder and pod (yardlong bean) types. However, genetic bases for distinctions are not well understood. The purpose of this study was to apply genotyping-by-sequencing (GBS) and current reference genome for V. unguiculata to distinguish three subspecies and identify signatures of divergence. The collection of 130 accessions included 128 cultivated from: 1) ssp. cylindrica, fodder type; 2) ssp. sesquipedalis, pod vegetable type; and 3) ssp. unguiculata, grain type. Two wilds genotypes from spp. dekindtiana and spp. pubescens, were used to anchor phylogeny. A total of 11,083 highly informative single nucleotide polymorphisms (SNPs) were discovered. Wild accessions showed distinct genetic fingerprints and were separated from cultivated subspecies. Principal component analysis showed closer relationship between ssp. unguiculata and ssp. cylindrica compared to ssp. sesquipedalis. Relative differentiation of cultivated subspecies (with Fixation Index, F
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