Detection of Four Novel Polymorphisms in PrP gene of Pakistani sheep (Damani and Hashtnagri) and goats (Kamori and Local Hairy) breeds
2011

Detection of Novel Polymorphisms in PrP Gene of Pakistani Sheep and Goats

Sample size: 112 publication Evidence: moderate

Author Information

Author(s): Hussain Amjed, Babar Masroor E, Imran Muhammad, Haq Ikram U, Javed Muhammad M

Primary Institution: Government College University, Lahore

Hypothesis

The study aims to analyze the PrP gene sequence to determine the frequency of polymorphisms in Pakistani sheep and goat breeds.

Conclusion

The study identified several novel polymorphisms in the PrP gene of Pakistani sheep and goats, which may inform future breeding strategies for scrapie resistance.

Supporting Evidence

  • Seven amino acid polymorphisms were detected in the PrP gene for sheep and four for goats.
  • The most scrapie-resistant polymorphism (Q171R) had a frequency of 0.107 in sheep.
  • Two novel polymorphisms were identified in both sheep and goats.

Takeaway

Scientists looked at the genes of sheep and goats in Pakistan to find changes that might help them resist a disease called scrapie.

Methodology

The study involved blood sampling from 56 sheep and 56 goats, followed by genomic DNA extraction and sequencing of the PrP gene.

Limitations

The study did not report any scrapie cases in the sampled animals, which may limit the applicability of the findings.

Participant Demographics

The study included 56 sheep from two breeds (Damani and Hashtnagri) and 56 goats from two breeds (Kamori and Local Hairy).

Digital Object Identifier (DOI)

10.1186/1743-422X-8-246

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