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| Content Provider | PubMed Central |
|---|---|
| Author | Okitsu, Cindy Yen Hsieh, John Cheng Feng Hsieh, Chih-lin |
| Copyright Year | 2010 |
| Abstract | Histone lysine methylation and CpG DNA methylation contribute to transcriptional regulation. We have shown previously that dimethylated and trimethylated forms of histone H3 at lysine 4 (H3K4me2 and H3K4me3) are primarily depleted from CpG-methylated DNA regions by using patch-methylated stable episomes (minichromosomes) in human cells. This effect on H3K4me2 is clearly not linked to the transcriptional activity in the methylated DNA region; however, transcriptional activity may play a role in the presence of H3K4me3. Here, we present clear evidence of the impact of transcriptional activity on the overall level of H3K4me3 in the coding region and the lack of impact on H3K4me2. Our data also demonstrate the influence of transcriptional activity on the distribution of H3K4me3 and H3K4me2, but not that of total H3, in the 5′ end of the coding region relative to the 3′ end. The nature of the promoter (viral or endogenous) affects H3K4me3 much more than it affects H3K4me2, suggesting a potential fundamental difference in the recruitment of methyltransferase for H3K4 trimethylation. |
| Related Links | http://dx.doi.org/10.1128/mcb.01478-09 |
| Ending Page | 2946 |
| Page Count | 14 |
| Starting Page | 2933 |
| File Format | |
| ISSN | 02707306 |
| e-ISSN | 10985549 |
| Journal | Molecular and Cellular Biology |
| Issue Number | 12 |
| Volume Number | 30 |
| Language | English |
| Publisher | American Society for Microbiology (ASM) |
| Publisher Date | 2010-06-15 |
| Access Restriction | Open |
| Rights Holder | American Society for Microbiology (ASM) |
| Subject Keyword | Cell Biology Molecular Biology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Molecular Biology |
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