ArticleFrontiers in genetics2021
Unraveling Admixture, Inbreeding, and Recent Selection Signatures in West African Indigenous Cattle Populations in Benin.
Article in Frontiers in genetics, 2021. 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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11 citing papers in PubMed, 25 citations in OpenAlex.
- Unscrambling the history of African indicine cattle genomes.iScience · 2026Article
- Bovine Genome Database: new curated collection of selective sweeps in bovine populations across the world.Nucleic acids research · 2026Article
- Genomic evidence of positive selection highlights functional divergence associated with environmental resilience in central and West African indigenous cattle.Scientific reports · 2025Article
- Optimizing Cost-Effective gene expression phenotyping approaches in cattle using 3' mRNA sequencing.BMC genomics · 2025Article
- Comparative Genomics Reveal Phylogenetic Relationship and Chromosomal Evolutionary Events of Eight Cervidae Species.Animals : an open access journal from MDPI · 2024Article
- Identification of Signatures of Positive Selection That Have Shaped the Genomic Landscape of South African Pig Populations.Animals : an open access journal from MDPI · 2024Article
- Genomic insights into adaptation and inbreeding among Sub-Saharan African cattle from pastoral and agropastoral systems.Frontiers in genetics · 2024Article
- Article
- Mapping restricted introgression across the genomes of admixed indigenous African cattle breeds.Genetics, selection, evolution : GSE · 2023Article
- Article
- Heat stress effects on milk yield traits and metabolites and mitigation strategies for dairy cattle breeds reared in tropical and sub-tropical countries.Frontiers in veterinary science · 2023Review
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6 authors at 3 institutions in 2 countries.
Funding
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Abstract
The Dwarf Lagune and the Savannah Somba cattle in Benin are typical representatives of the endangered West African indigenous Shorthorn taurine. The Lagune was previously exported to African and European countries and bred as Dahomey cattle, whereas the Somba contributed to the formation of two indigenous hybrids known as Borgou and Pabli cattle. These breeds are affected by demographic, economic, and environmental pressures in local production systems. Considering current and historical genomic data, we applied a formal test of admixture, estimated admixture proportions, and computed genomic inbreeding coefficients to characterize the five breeds. Subsequently, we unraveled the most recent selection signatures using the cross-population extended haplotype homozygosity approach, based on the current and historical genotypes. Results from principal component analyses and high proportion of Lagune ancestry confirm the Lagune origin of the European Dahomey cattle. Moreover, the Dahomey cattle displayed neither indicine nor European taurine (EUT) background, but they shared on average 40% of autozygosity from common ancestors, dated approximately eight generations ago. The Lagune cattle presented inbreeding coefficients larger than 0.13; however, the Somba and the hybrids (Borgou and Pabli) were less inbred (≤0.08). We detected evidence of admixture in the Somba and Lagune cattle, but they exhibited a similar African taurine (AFT) ancestral proportion (≥96%) to historical populations, respectively. A moderate and stable AFT ancestral proportion (62%) was also inferred for less admixed hybrid cattle including the Pabli. In contrast, the current Borgou samples displayed a lower AFT ancestral proportion (47%) than historical samples (63%). Irrespective of the admixture proportions, the hybrid populations displayed more selection signatures related to economic traits (reproduction, growth, and milk) than the taurine. In contrast, the taurine, especially the Somba, presented several regions known to be associated with adaptive traits (immunity and feed efficiency). The identified subregion of bovine leukocyte antigen (BoLA) class IIb (including
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