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Genome-wide analysis reveals the ancient and recent admixture history of East African Shorthorn Zebu from Western Kenya.

Heredity | 2014

The Kenyan East African zebu cattle are valuable and widely used genetic resources. Previous studies using microsatellite loci revealed the complex history of these populations with the presence of taurine and zebu genetic backgrounds. Here, we estimate at genome-wide level the genetic composition and population structure of the East African Shorthorn Zebu (EASZ) of western Kenya. A total of 548 EASZ from 20 sub-locations were genotyped using the Illumina BovineSNP50 v. 1 beadchip. STRUCTURE analysis reveals admixture with Asian zebu, African and European taurine cattle. The EASZ were separated into three categories: substantial (⩾12.5%), moderate (1.56%

Pubmed ID: 24736786 RIS Download

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Associated grants

  • Agency: Wellcome Trust, United Kingdom
    Id: 07995
  • Agency: Biotechnology and Biological Sciences Research Council, United Kingdom
    Id: BBS/E/D/20211550
  • Agency: Wellcome Trust, United Kingdom
    Id: 095831
  • Agency: Wellcome Trust, United Kingdom
  • Agency: Biotechnology and Biological Sciences Research Council, United Kingdom
    Id: BBS/E/D/20211554

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STRUCTURE (tool)

RRID:SCR_002151

Software package for using multi locus genotype data to investigate population structure. Used for inferring presence of distinct populations, assigning individuals to populations, studying hybrid zones, identifying migrants and admixed individuals, and estimating population allele frequencies in situations where many individuals are migrants or admixed. Can be applied to most of commonly used genetic markers, including SNPS, microsatellites, RFLPs and Amplified Fragment Length Polymorphisms.

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