|Citation||Lee, C.G., Reichman, T.W., Baik, T., Mathews, M.B. (2004). MLE functions as a transcriptional regulator of the roX2 gene. J. Biol. Chem. 279(46): 47740--47745. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||Dosage compensation is a process that equalizes transcription activity between the sexes. In Drosophila, two non-coding RNA, roX1 and roX2, and at least six protein regulators, MSL-1, MSL-2, MSL-3, MLE, MOF, and JIL-1, have been identified as essential for dosage compensation. Although there is accumulating evidence of the intricate functional and physical interactions between protein and RNA regulators, little is known about how roX RNA expression and function are modulated in coordination with protein regulators. In this report, we have found that a relatively short (about 350 bp) upstream genomic region of the roX2 gene, Prox2, harbors an activity that drives transcription of the downstream gene. Our study has shown that MLE can stimulate the transcription activity of Prox2 and that MLE associates with Prox2 through direct interaction with a newly identified 54-bp repeat, Prox. Our observations suggest a novel mechanism by which roX2 RNA is regulated at the transcriptional level.|
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|Language of Publication||English|
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|Abbreviation||J. Biol. Chem.|
|Title||Journal of Biological Chemistry|
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