Foamy Virus Integration

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Foamy virus integration.

It had been suggested that during integration of spumaretroviruses (foamy viruses) the right (U5) end of the cDNA is processed, while the left (U3) remains uncleaved. We confirmed this hypothesis by sequencing two-long terminal repeat (LTR) circle junctions of unintegrated DNA. Based on an infectious foamy virus molecular clone, a set of constructs harboring mutations at the 5' end of the U3 re...

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Foamy virus vector integration sites in normal human cells.

Foamy viruses (FVs) or spumaviruses are retroviruses that have been developed as vectors, but their integration patterns have not been described. We have performed a large-scale analysis of FV integration sites in unselected human fibroblasts (n = 1,008) and human CD34(+) hematopoietic cells (n = 1,821) by using a bacterial shuttle vector and a comparable analysis of lentiviral vector integrati...

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Nonintegrating foamy virus vectors.

Foamy viruses (FVs), or spumaviruses, are integrating retroviruses that have been developed as vectors. Here we generated nonintegrating foamy virus (NIFV) vectors by introducing point mutations into the highly conserved DD35E catalytic core motif of the foamy virus integrase sequence. NIFV vectors produced high-titer stocks, transduced dividing cells, and did not integrate. Cells infected with...

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Foamy Virus Budding and Release

Like all other viruses, a successful egress of functional particles from infected cells is a prerequisite for foamy virus (FV) spread within the host. The budding process of FVs involves steps, which are shared by other retroviruses, such as interaction of the capsid protein with components of cellular vacuolar protein sorting (Vps) machinery via late domains identified in some FV capsid protei...

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Eleventh International Foamy Virus Conference—Meeting Report

The Eleventh International Foamy Virus Conference took place on 9-10 June 2016 at the Institut Pasteur, Paris, France. The meeting reviewed progress on foamy virus (FV) research, as well as related current topics in retrovirology. FVs are complex retroviruses that are widespread in several animal species. Several research topics on these viruses are relevant to human health: cross-species trans...

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ژورنال

عنوان ژورنال: Journal of Virology

سال: 2004

ISSN: 0022-538X,1098-5514

DOI: 10.1128/jvi.78.5.2472-2477.2004