|Citation||Prestel, M., Feller, C., Straub, T., Mitlöhner, H., Becker, P.B. (2010). The Activation Potential of MOF Is Constrained for Dosage Compensation. Mol. Cell 38(6): 815--826. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||The H4K16 acetyltransferase MOF plays a crucial role in dosage compensation in Drosophila but has additional, global functions. We compared the molecular context and effect of MOF in male and female flies, combining chromosome-wide mapping and transcriptome studies with analyses of defined reporter loci in transgenic flies. MOF distributes dynamically between two complexes, the dosage compensation complex and a complex containing MBD-R2, a global facilitator of transcription. These different targeting principles define the distribution of MOF between the X chromosome and autosomes and at transcription units with 5' or 3' enrichment. The male X chromosome differs from all other chromosomes in that H4K16 acetylation levels do not correlate with transcription output. The reconstitution of this phenomenon at a model locus revealed that the activation potential of MOF is constrained in male cells in the context of the DCC to arrive at the 2-fold activation of transcription characteristic of dosage compensation.|
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|Language of Publication||English|
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|Natural transposons (1)|