Related Experiment Videos
Identification and properties of imprinted genes and their control elements
R J Smith1, P Arnaud, G Kelsey
1Developmental Genetics Programme, The Babraham Institute, Cambridge, UK.
Cytogenetic and Genome Research
|July 9, 2004
Summary
Imprinted genes, which are silenced from one parent, are crucial for mammalian genome function. Studying these genes offers insights into epigenetic regulation and predicting gene activity from DNA sequences.
Area of Science:
- Genetics
- Epigenetics
- Genomics
Background:
- Imprinted genes are a small but functionally significant subset of the mammalian genome.
- These genes exhibit parent-specific silencing, with only one parental copy being active.
- Imprinted genes serve as a model for understanding epigenetic regulation and its impact on gene function.
Purpose of the Study:
- To explore the characteristics of imprinted genes and their role in the mammalian genome.
- To investigate imprinted genes as a model for epigenetic regulation.
- To determine if epigenetic states can be predicted from DNA sequences.
Main Methods:
- Systematic genetic screens for identifying imprinted genes.
- Analysis of microarray data to discover additional imprinted genes.
- Examination of mammalian genome sequences to study imprinted gene organization.
Main Results:
- Over seventy imprinted genes have been identified in mice and humans.
- Microarray analysis suggests the potential for discovering many more imprinted genes.
- The identification of numerous imprinted genes allows for systematic study of their loci and regulatory elements.
Conclusions:
- Imprinted genes are vital for mammalian genome function and provide a unique model for epigenetic studies.
- Ongoing research aims to understand common regulatory themes in imprinted gene expression.
- Future studies will focus on the organization and control elements of imprinted loci.