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Forward and reverse genetic approaches to behavior in the mouse
J S Takahashi1, L H Pinto, M H Vitaterna
1Department of Neurobiology and Physiology, Northwestern University, Evanston, IL 60208.
Science (New York, N.Y.)
|June 17, 1994
Summary
Molecular genetic and genomic tools are transforming mouse behavior research. These methods, including reverse and forward genetics, enable the study of genes influencing learning, memory, and circadian rhythms.
Area of Science:
- Molecular biology
- Genetics
- Neuroscience
- Behavioral science
Background:
- Molecular genetic and genomic approaches are revolutionizing the study of behavior in the mouse.
- These methods allow for the dissection of complex behaviors by analyzing gene function.
Purpose of the Study:
- To highlight the application of modern molecular genetic and genomic approaches in mouse behavior research.
- To demonstrate the utility of reverse and forward genetics in identifying genes that regulate behavior.
Main Methods:
- Reverse genetics (gene to phenotype) using targeted gene transfer.
- Forward genetics (phenotype to gene) employing high-efficiency mutagenesis.
- Utilizing high-density genetic maps and physical mapping resources for positional cloning.
Main Results:
- Reverse genetics successfully studied the effects of null mutations on long-term potentiation and spatial learning.
- Forward genetics identified a behavioral mutant within the mouse circadian system.
- Positional cloning is now feasible for a wide range of mutations.
Conclusions:
- Molecular genetic and genomic approaches provide powerful tools for dissecting mouse behavior.
- These techniques enable the molecular analysis of both known and novel genes regulating behavior.
- The integration of these methods advances our understanding of the genetic underpinnings of behavior.