Mutation in Sheep Causes Skin Disease
Author Information
Author(s): Mömke Stefanie, Kerkmann Andrea, Wöhlke Anne, Ostmeier Miriam, Hewicker-Trautwein Marion, Ganter Martin, Kijas James, Distl Ottmar
Primary Institution: University of Veterinary Medicine, Hannover, Germany
Hypothesis
Is a frameshift mutation in the LAMC2 gene responsible for Herlitz Type Junctional Epidermolysis Bullosa in Black Headed Mutton sheep?
Conclusion
The study identified a specific mutation in the LAMC2 gene that causes a severe skin disease in Black Headed Mutton sheep.
Supporting Evidence
- Affected lambs showed severe skin blistering and all died within weeks.
- The mutation was identified through linkage and genome-wide association analyses.
- The identified mutation causes a frameshift leading to a premature stop codon.
Takeaway
Some sheep have a skin disease that makes their skin very fragile. Scientists found a tiny change in their genes that causes this problem.
Methodology
The study involved clinical examinations, genetic screening, and genome-wide association analyses of affected and unaffected sheep.
Limitations
The study was limited to a specific breed of sheep and may not be generalizable to other breeds.
Participant Demographics
21 HJEB affected Black Headed Mutton sheep, including 19 purebred and 2 crossbred.
Statistical Information
P-Value
p<0.00001
Statistical Significance
p<0.00001
Digital Object Identifier (DOI)
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