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Disease resistance in farm animals
1Institut für Molekulare Tierzucht, Ludwig-Maximilians-Universität München, Federal Republic of Germany.
Experientia
|September 15, 1991
Summary
Farm animals possess genetic variations for disease resistance, often polygenic. Researchers explore gene transfer, including Mx1 gene constructs, to enhance resistance against infections like influenza.
Area of Science:
- Animal genetics
- Immunology
- Veterinary science
Background:
- Disease resistance in farm animals varies genetically, impacting susceptibility to infections.
- Most disease resistance traits are polygenic, making them complex to target.
- Single genetic loci for disease resistance are rare, with the Mx1 gene in mice being a notable exception.
Purpose of the Study:
- To explore genetic strategies for enhancing disease resistance in farm animals.
- To investigate the potential of gene transfer for improving animal health and reducing infectious disease impact.
Main Methods:
- Reviewing existing knowledge on genetic variations in farm animal disease resistance.
- Examining the role of the Mx1 gene in conferring resistance to influenza virus.
- Describing gene transfer techniques using constructs like monoclonal antibodies, antisense RNA, and Mx1 cDNA.
Main Results:
- Genetic variations influence all levels of farm animal defense against pathogens.
- The Mx1 gene provides a model for single-locus disease resistance, particularly against influenza.
- Gene transfer approaches are being investigated to introduce resistance traits into livestock.
Conclusions:
- Understanding genetic variations is crucial for improving farm animal disease resistance.
- Targeting specific genes, like Mx1, offers potential for enhancing resistance.
- Gene transfer technologies hold promise for developing more disease-resistant farm animal populations.