|Citation||Gorchakov, A.A., Alekseyenko, A.A., Kharchenko, P., Park, P.J., Kuroda, M.I. (2009). Long-range spreading of dosage compensation in Drosophila captures transcribed autosomal genes inserted on X. Genes Dev. 23(19): 2266--2271. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||Dosage compensation in Drosophila melanogaster males is achieved via targeting of male-specific lethal (MSL) complex to X-linked genes. This is proposed to involve sequence-specific recognition of the X at approximately 150-300 chromatin entry sites, and subsequent spreading to active genes. Here we ask whether the spreading step requires transcription and is sequence-independent. We find that MSL complex binds, acetylates, and up-regulates autosomal genes inserted on X, but only if transcriptionally active. We conclude that a long-sought specific DNA sequence within X-linked genes is not obligatory for MSL binding. Instead, linkage and transcription play the pivotal roles in MSL targeting irrespective of gene origin and DNA sequence.|
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|Language of Publication||English|
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|Also Published As|
|Title||Genes & Development|
|Data from Reference|
|Natural transposons (1)|