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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Functional interaction of BRCA1-associated BARD1 with polyadenylation factor CstF-50.

Polyadenylation of messenger RNA precursors requires a complex protein machinery that is closely integrated with the even more complex transcriptional apparatus. Here a polyadenylation factor, CstF-50 (cleavage stimulation factor), is shown to interact in vitro and in intact cells with a nuclear protein of previously unknown function, BRCA1-associated RING domain protein (BARD1). The BARD1-CstF-50 interaction inhibits polyadenylation in vitro. BARD1, like CstF-50, also interacts with RNA polymerase II. These results indicate that BARD1-mediated inhibition of polyadenylation may prevent inappropriate RNA processing during transcription, perhaps at sites of DNA repair, and they reveal an unanticipated integration of diverse nuclear events.[1]

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