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Histone arginine methylation and its dynamic regulation
Joanna Wysocka1, C David Allis, Scott Coonrod
1Laboratory of Chromatin Biology, Rockefeller University, New York, NY 10021, USA.
Frontiers in Bioscience : a Journal and Virtual Library
|September 9, 2005
Summary
Histone methylation by protein arginine methyltransferases (PRMTs) dynamically regulates gene expression. Peptidylarginine deiminase 4 (PADI4) converts methylated arginine to citrulline, leading to gene repression.
Area of Science:
- Epigenetics and Gene Regulation
- Molecular Biology
- Biochemistry
Background:
- Histone methylation is a key epigenetic mechanism influencing gene activity.
- Protein arginine methyltransferases (PRMTs) catalyze distinct histone methylation marks associated with gene activation or repression.
- The dynamic regulation of histone arginine methylation is crucial for cellular processes.
Purpose of the Study:
- To review recent advancements in understanding histone arginine methylation.
- To highlight the roles of PRMTs and PADI4 in gene regulation.
- To discuss the broader cellular implications of protein arginine methylation.
Main Methods:
- Literature review of recent studies on histone arginine methylation.
- Analysis of findings related to PRMTs (PRMT1, CARM1, PRMT5) and PADI4.
- Synthesis of information on the functional consequences of histone methylation.
Main Results:
- Asymmetric dimethyl-arginine (by PRMT1, CARM1) is linked to gene activation.
- Symmetric dimethyl-arginine (by PRMT5) is associated with gene repression.
- PADI4-mediated conversion of methylated arginine to citrulline results in transcriptional repression.
Conclusions:
- Histone arginine methylation is a dynamic regulatory process with significant roles in gene expression.
- Protein arginine methylation is essential for mammalian development, proliferation, and differentiation.
- Further research is needed to fully elucidate the downstream effects of histone arginine methylation.