ArticleBMC genetics2014
Revisiting AFLP fingerprinting for an unbiased assessment of genetic structure and differentiation of taurine and zebu cattle.
Article in BMC genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 32 citations in OpenAlex.
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- Genetic Structure Analysis of 155 Transboundary and Local Populations of Cattle (International journal of molecular sciences · 2023Article
- Analysis of runs of homozygosity of cattle living in different climate zones.Journal of animal science · 2023Article
- Revealing Genetic Diversity and Population Structure of Endangered Altay White-Headed Cattle Population Using 100 k SNP Markers.Animals : an open access journal from MDPI · 2022Article
- Genetic diversity in global chicken breeds in relation to their genetic distances to wild populations.Genetics, selection, evolution : GSE · 2021Article
- Genomic variants identified from whole-genome resequencing of indicine cattle breeds from Pakistan.PloS one · 2019Article
- A PLAG1 mutation contributed to stature recovery in modern cattle.Scientific reports · 2017Article
- Genetic origin, admixture and population history of aurochs (Bos primigenius) and primitive European cattle.Heredity · 2017Article
- Single nucleotide variants and InDels identified from whole-genome re-sequencing of Guzerat, Gyr, Girolando and Holstein cattle breeds.PloS one · 2017Article
- Linkage disequilibrium, persistence of phase and effective population size estimates in Hereford and Braford cattle.BMC genetics · 2016Article
- Evidence of Bos javanicus x Bos indicus hybridization and major QTLs for birth weight in Indonesian Peranakan Ongole cattle.BMC genetics · 2015Article
- Low levels of taurine introgression in the current Brazilian Nelore and Gir indicine cattle populations.Genetics, selection, evolution : GSE · 2015Article
- Assessment of autozygosity in Nellore cows (Bos indicus) through high-density SNP genotypes.Frontiers in genetics · 2015Article
- Challenges and opportunities in genetic improvement of local livestock breeds.Frontiers in genetics · 2015Article
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Authors and funding
10 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDescendants from the extinct aurochs (Bos primigenius), taurine (Bos taurus) and zebu cattle (Bos indicus) were domesticated 10,000 years ago in Southwestern and Southern Asia, respectively, and colonized the world undergoing complex events of admixture and selection. Molecular data, in particular genome-wide single nucleotide polymorphism (SNP) markers, can complement historic and archaeological records to elucidate these past events. However, SNP ascertainment in cattle has been optimized for taurine breeds, imposing limitations to the study of diversity in zebu cattle. As amplified fragment length polymorphism (AFLP) markers are discovered and genotyped as the samples are assayed, this type of marker is free of ascertainment bias. In order to obtain unbiased assessments of genetic differentiation and structure in taurine and zebu cattle, we analyzed a dataset of 135 AFLP markers in 1,593 samples from 13 zebu and 58 taurine breeds, representing nine continental areas.
resultsWe found a geographical pattern of expected heterozygosity in European taurine breeds decreasing with the distance from the domestication centre, arguing against a large-scale introgression from European or African aurochs. Zebu cattle were found to be at least as diverse as taurine cattle. Western African zebu cattle were found to have diverged more from Indian zebu than South American zebu. Model-based clustering and ancestry informative markers analyses suggested that this is due to taurine introgression. Although a large part of South American zebu cattle also descend from taurine cows, we did not detect significant levels of taurine ancestry in these breeds, probably because of systematic backcrossing with zebu bulls. Furthermore, limited zebu introgression was found in Podolian taurine breeds in Italy.
conclusionsThe assessment of cattle diversity reported here contributes an unbiased global view to genetic differentiation and structure of taurine and zebu cattle populations, which is essential for an effective conservation of the bovine genetic resources.
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