Exome-wide DNA capture and next generation sequencing in domestic and wild species
2011

Exon Capture for SNP Discovery in Cattle and Bison

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): Ted Cosart, Albano Beja-Pereira, Shanyuan Chen, Sarah B Ng, Jay Shendure, Gordon Luikart

Primary Institution: University of Montana

Hypothesis

Most exons from one species could be used to capture exons from another species for SNP discovery.

Conclusion

Exon capture can be customized for SNP discovery in many individuals and for non-model species without genomic resources.

Supporting Evidence

  • The study successfully sequenced and mapped exon sequences from the B. taurus genome.
  • Thousands of putative SNPs were identified across all reference chromosomes.
  • The method allows for affordable next-generation sequencing of many individuals.

Takeaway

Scientists figured out a way to find tiny differences in the DNA of cows and bison, which helps us understand how they adapt and survive.

Methodology

The study used exon capture and next-generation sequencing to analyze DNA from three individuals of Bos taurus, Bos indicus, and Bison bison.

Potential Biases

Potential ascertainment bias in population genetic analyses due to the selection of individuals.

Limitations

The method's effectiveness may vary with the genetic divergence of the species being studied.

Participant Demographics

Three female individuals from Bos taurus (Portugal), Bos indicus (India), and Bison bison (USA).

Digital Object Identifier (DOI)

10.1186/1471-2164-12-347

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