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Journal of Virology, August 2004, p. 8917-8921, Vol. 78, No. 16
0022-538X/04/$08.00+0 DOI: 10.1128/JVI.78.16.8917-8921.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
Kenneth I. Berns,3 Fabien Campagne,2,
and R. Michael Linden1*
Carl C. Icahn Institute for Gene Therapy and Molecular Medicine,1 Department of Physiology and Biophysics, Institute for Computational Biomedicine, Mount Sinai School of Medicine, New York, New York 10029,2 Genetics Institute, University of Florida, Gainesville, Florida 326103
Received 21 January 2004/ Accepted 26 March 2004
The nonpathogenic human adeno-associated virus (AAV) has developed a mechanism to integrate its genome into human chromosome 19 at 19q13.4 (termed AAVS1), thereby establishing latency. Here, we provide evidence that the chromosomal signals required for site-specific integration are conserved in the mouse genome proximal to the recently identified Mbs85 gene. These sequence motifs can be specifically nicked by the viral Rep protein required for the initiation of site-specific AAV DNA integration. Furthermore, these signals can serve as a minimal origin for Rep-dependent DNA replication. In addition, we isolated the mouse Mbs85 proximal promoter and show transcriptional activity in three mouse cell lines.
Present address: Weill Medical College of Cornell University, c/o Rockefeller University, New York, NY 10021.
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