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Literature DB >> 10400809

Systematic excision of vector sequences from the BAC-cloned herpesvirus genome during virus reconstitution.

M Wagner¹, S Jonjic, U H Koszinowski, M Messerle.

Abstract

Recently the mouse cytomegalovirus (MCMV) genome was cloned as an infectious bacterial artificial chromosome (BAC) (M. Messerle, I. Crnkovic, W. Hammerschmidt, H. Ziegler, and U. H. Koszinowski, Proc. Natl. Acad. Sci. USA 94:14759-14763, 1997). The virus obtained from this construct is attenuated in vivo due to deletion of viral sequences and insertion of the BAC vector. We reconstituted the full-length MCMV genome and flanked the BAC vector with identical viral sequences. This new construct represents a versatile basis for construction of MCMV mutants since virus generated from the construct loses the bacterial sequences and acquires wild-type properties.

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Year: 1999 PMID： 10400809 PMCID： PMC112796

Source DB: PubMed Journal: J Virol ISSN： 0022-538X Impact factor: 5.103

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