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| Citation | Yokoyama, R., Pannuti, A., Ling, H., Smith, E.R., Lucchesi, J.C. (2007). A plasmid model system shows that Drosophila dosage compensation depends on the global acetylation of histone H4 at lysine 16 and is not affected by depletion of common transcription elongation chromatin marks. Mol. Cell. Biol. 27(22): 7865--7870. (Export to RIS) | ||
| FlyBase ID | FBrf0203025 | ||
| Publication Type | Research paper | ||
| PubMed ID | 17875941 | ||
| PubMed Abstract | Dosage compensation refers to the equalization of most X-linked gene products between males, which have one X chromosome and a single dose of X-linked genes, and females, which have two X's and two doses of such genes. We developed a plasmid-based model of dosage compensation that allows new experimental approaches for the study of this regulatory mechanism. In Drosophila melanogaster, an enhanced rate of transcription of the X chromosome in males is dependent upon the presence of histone H4 acetylated at lysine 16. This chromatin mark occurs throughout active transcriptional units, leading us to the conclusion that the enhanced level of transcription is achieved through an enhanced rate of RNA polymerase elongation. We used the plasmid model to demonstrate that enhancement in the level of transcription does not depend on other histone marks and factors that have been associated with the process of elongation, thereby highlighting the special role played by histone H4 acetylated at lysine 16 in this process. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Mol. Cell. Biol. | ||
| Title | Molecular and Cellular Biology | ||
| Publication Year | 1981- | ||
| ISBN/ISSN | 0270-7306 | ||
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Data from Reference
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