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Ain't misbehavin' ? Genotype-environment interactions and the genetics of behavior
Trudy F C Mackay1, Robert R H Anholt
1Department of Genetics, North Carolina State University, Raleigh, NC 27695, USA. trudy_mackay@ncsu.edu
Trends in Genetics : TIG
|April 10, 2007
Summary
Genotype-environment interactions significantly influence complex traits, but their contribution to variation is not fully understood. Replicable behavioral differences across labs highlight the importance of studying these genotype-environment interactions.
Area of Science:
- Genetics
- Behavioral Science
- Evolutionary Biology
Background:
- Complex traits are influenced by multiple genes, but the role of genotype-environment interactions in trait variation remains unclear.
- Understanding genotype-environment interactions is crucial for interpreting complex trait variation across different conditions.
Purpose of the Study:
- To investigate the contribution of genotype-environment interactions to complex trait variation.
- To assess the replicability of behavioral phenotypes across different laboratory settings and time points.
Main Methods:
- Quantified behavioral phenotypes in the same mouse strains across different laboratories and time periods.
- Compared the robustness and replicability of observed behavioral differences.
Main Results:
- Some behavioral differences between laboratories were highly replicable across decades.
- Other behavioral differences showed less robustness over time, suggesting environmental influence.
- Findings align with studies in Drosophila, emphasizing genotype-environment interactions.
Conclusions:
- Genotype-environment interactions play a significant role in the variation of complex traits.
- Replicability of behavioral phenotypes is dependent on the specific trait and environmental context.
- Further research into genotype-environment interactions is essential for a comprehensive understanding of complex traits.
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