Retrovirology

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Impaired nuclear import and viral incorporation of Vpr derived from a HIV long-term non-progressor

Leon Caly1, Nitin K Saksena2, Sabine C Piller3,4 and David A Jans1*

Author Affiliations

1 Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria 3800, Australia

2 Retroviral Genetics Division, Centre for Virus Research, Westmead Millennium Institute, Westmead Hospital, The University of Sydney, Darcy Road, Westmead, N.S.W 2145, Australia

3 HIV Protein Function and Interactions Group, Centre for Virus Research, Westmead Millennium Institute, Westmead Hospital, The University of Sydney, Darcy Road, Westmead, N.S.W 2145, Australia

4 University of Western Sydney, Penrith South DC, N.S.W 1797, Australia

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Retrovirology 2008, 5:67 doi:10.1186/1742-4690-5-67

Published: 18 July 2008

Additional files

Additional file 1:

LTNP derived Vpr proteins with reduced nuclear accumulation localize within the Golgi. Typical CLSM images of fixed COS-7 cells expressing the indicated GFP-fusion proteins. Cells were permeabilised and stained 14 hours post transfection for γ-adaptin and visualized with Alexa-Fluor-568. GFP-Vpr proteins specifically containing F72L show colocalisation with the Golgi apparatus as indicated by arrows.

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Additional file 2:

LTNP derived Vpr proteins with reduced nuclear accumulation localize within the Golgi. Typical CLSM images of fixed COS-7 cells expressing the indicated GFP-fusion proteins. Cells were permeabilised and stained 14 hours post transfection for Calnexin and visualized with Alexa-Fluor-568. GFP-Vpr was found to not localize within the ER.

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