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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dou, Yali Gorovsky, Martin A. |
| Description | Author Affiliation: Dou Y ( Department of Biology, University of Rochester, Rochester, NY 14627, USA.); |
| Abstract | In Tetrahymena cells, constitutive phosphorylation of histone H1 phenocopies the loss of H1 from chromatin. Regulation of transcription by H1 phosphorylation is achieved by altering the overall charges of a small domain. Here, we further explore the electrostatic properties of this domain and the mechanism by which it regulates transcription. We demonstrate that the regulatory effect of the clustered charges does not require any long-range interaction and is position independent. However, when the same number of charges was dispersed throughout the H1 molecule, the effect became undetectable. The results are explained by a nucleation-propagation model and provide in vivo evidence that the synergy of the clustered positive charges plays a role in histone function and gene regulation. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 9 |
| Volume Number | 99 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2002-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Histones Chemistry Genetics Transcription, Genetic Animals Binding Sites Blotting, Northern Cell Line Cell Nucleus Metabolism Electrophysiology Gene Expression Regulation Mutation Phosphorylation Protein Structure, Tertiary Tetrahymena Time Factors Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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