Retroviral mRNA nuclear export elements regulate protein function and virion assembly.

@article{citeulike:2774739, abstract = {Rodent cells are notable for their inability to support normal assembly of HIV particles. In this report, we address possible causes for this defect by considering the hypothesis that mRNA-associated events occurring in the nucleus can regulate the activity of their encoded proteins in the cytoplasm. We show that altering the RNA nuclear export element used by HIV gag-pol mRNA from the Rev response element to the constitutive transport element restores both the trafficking of Gag to cellular membranes and efficient HIV assembly in murine cells. These results suggest that two phases of the HIV life cycle, RNA export and capsid assembly, that have hitherto been regarded as distinct are, in fact, linked. Thus, protein function and fate may depend upon the full and precise history of its encoding mRNA.}, address = {Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.}, author = {Swanson, C. M. and Puffer, B. A. and Ahmad, K. M. and Doms, R. W. and Malim, M. H. }, citeulike-article-id = {2774739}, doi = {10.1038/sj.emboj.7600270}, issn = {0261-4189}, journal = {The EMBO journal}, keywords = {assembly, rna}, month = {July}, number = {13}, pages = {2632--2640}, posted-at = {2008-05-09 09:29:43}, priority = {2}, title = {Retroviral mRNA nuclear export elements regulate protein function and virion assembly.}, url = {http://dx.doi.org/10.1038/sj.emboj.7600270}, volume = {23}, year = {2004} }

TY - JOUR ID - citeulike:2774739 L3 - citeulike-article-id:2774739 TI - Retroviral mRNA nuclear export elements regulate protein function and virion assembly. JF - The EMBO journal VL - 23 IS - 13 SP - 2632 EP - 2640 AD - Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA. SN - 0261-4189 N2 - Rodent cells are notable for their inability to support normal assembly of HIV particles. In this report, we address possible causes for this defect by considering the hypothesis that mRNA-associated events occurring in the nucleus can regulate the activity of their encoded proteins in the cytoplasm. We show that altering the RNA nuclear export element used by HIV gag-pol mRNA from the Rev response element to the constitutive transport element restores both the trafficking of Gag to cellular membranes and efficient HIV assembly in murine cells. These results suggest that two phases of the HIV life cycle, RNA export and capsid assembly, that have hitherto been regarded as distinct are, in fact, linked. Thus, protein function and fate may depend upon the full and precise history of its encoding mRNA. KW - assembly KW - rna AU - Swanson, CM AU - Puffer, BA AU - Ahmad, KM AU - Doms, RW AU - Malim, MH PY - 2004/07/07/ UR - http://dx.doi.org/10.1038/sj.emboj.7600270 ER -