Recruitment of the ATP-dependent chromatin remodeler dMi-2 to the transcribed region of active heat shock genes.
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Authors
Mathieu, Eve-LyneFinkernagel, Florian
Murawska, Magdalena
Scharfe, Maren
Jarek, Michael
Brehm, Alexander
Issue Date
2012-06
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Show full item recordAbstract
The ATP-dependent chromatin remodeler dMi-2 can play both positive and negative roles in gene transcription. Recently, we have shown that dMi-2 is recruited to the hsp70 gene in a heat shock-dependent manner, and is required to achieve high transcript levels. Here, we use chromatin immunoprecipitation sequencing (ChIP-Seq) to identify other chromatin regions displaying increased dMi-2 binding upon heat shock and to characterize the distribution of dMi-2 over heat shock genes. We show that dMi-2 is recruited to the body of at least seven heat shock genes. Interestingly, dMi-2 binding extends several hundred base pairs beyond the polyadenylation site into the region where transcriptional termination occurs. We find that dMi-2 does not associate with the entire nucleosome-depleted hsp70 locus 87A. Rather, dMi-2 binding is restricted to transcribed regions. Our results suggest that dMi-2 distribution over active heat shock genes are determined by transcriptional activity.Citation
Recruitment of the ATP-dependent chromatin remodeler dMi-2 to the transcribed region of active heat shock genes. 2012, 40 (11):4879-91 Nucleic Acids Res.Affiliation
Institute for Molecular Biology and Tumor Research, Philipps-University, Emil-Mannkopff-Strasse 2, 35037 Marburg, Germany.Journal
Nucleic acids researchPubMed ID
22362736Type
ArticleLanguage
enISSN
1362-4962ae974a485f413a2113503eed53cd6c53
10.1093/nar/gks178
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