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| Citation | Kozlova, N., Braga, J., Lundgren, J., Rino, J., Young, P., Carmo-Fonseca, M., Visa, N. (2006). Studies on the role of NonA in mRNA biogenesis. Exp. Cell Res. 312(13): 2619--2630. (Export to RIS) | ||
| FlyBase ID | FBrf0194866 | ||
| Publication Type | Research paper | ||
| PubMed ID | 16750525 | ||
| PubMed Abstract | The NonA protein of Drosophila melanogaster is an abundant nuclear protein that belongs to the DBHS (Drosophila behavior, human splicing) protein family. The DBHS proteins bind both DNA and RNA in vitro and have been involved in different aspects of gene expression, including pre-mRNA splicing, transcription regulation and nuclear retention of mRNA. We have used double-stranded RNA interference in Drosophila S2 cells to silence the expression of NonA and to investigate its role in mRNA biogenesis. We show that knockdown of NonA does not affect transcription nor splicing. We demonstrate that NonA forms a complex with the essential nuclear export factor NXF1 in an RNA-dependent manner. We have constructed stable S2 cell lines that express full-length and truncated NXF1 fused to GFP in order to perform fluorescence recovery after photobleaching experiments. We show that knockdown of NonA reduces the intranuclear mobility of NXF1-GFP associated with poly(A)(+) RNA in vivo, while the mobility of the truncated NXF1-GFP that does not bind RNA is not affected. Our data suggest that NonA facilitates the intranuclear mobility of mRNP particles. | ||
| DOI | 10.1016/j.yexcr.2006.04.013 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Exp. Cell Res. | ||
| Title | Experimental Cell Research | ||
| Publication Year | 1950- | ||
| ISBN/ISSN | 0014-4827 | ||
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Data from Reference
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| Genes (10)
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