BEAF Regulates Cell-Cycle Genes through H3K9 Methylation
Author Information
Author(s): Emberly Eldon, Blattes Roxane, Schuettengruber Bernd, Hennion Magali, Jiang Nan, Hart Craig M, Käs Emmanuel, Cuvier Olivier
Primary Institution: Simon Fraser University
Hypothesis
Does the BEAF insulator family have unique cellular functions in regulating cell-cycle genes?
Conclusion
BEAF plays a crucial role in regulating genes involved in the cell cycle and chromosome organization by controlling the deposition of H3K9 methylation marks.
Supporting Evidence
- BEAF depletion leads to defects in cell-cycle and chromosome segregation.
- Chromatin immunoprecipitation analyses show that BEAF restricts the deposition of methylated H3K9 marks.
- Genes associated with BEAF dual-cores are enriched in cell-cycle and chromosome organization annotations.
- BEAF positively regulates the expression of genes associated with dual-cores.
Takeaway
BEAF helps control how genes that manage cell division work by making sure certain chemical tags on DNA don't get added where they shouldn't.
Methodology
The study combined chromatin immunoprecipitations and computational approaches to analyze BEAF binding sites and their effects on gene expression.
Statistical Information
P-Value
1e-9
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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