A role for siRNA in X-chromosome dosage compensation in Drosophila melanogaster.

Genetics

Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA.

Published: July 2012

Sex-chromosome dosage compensation requires selective identification of X chromatin. How this occurs is not fully understood. We show that small interfering RNA (siRNA) mutations enhance the lethality of Drosophila males deficient in X recognition and partially rescue females that inappropriately dosage-compensate. Our findings are consistent with a role for siRNA in selective recognition of X chromatin.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3389965PMC
http://dx.doi.org/10.1534/genetics.112.140236DOI Listing

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