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Methods Mol Biol. 2014;1144:43-62. doi: 10.1007/978-1-4939-0428-0_4.

Construction and characterization of bacterial artificial chromosomes (BACs) containing herpes simplex virus full-length genomes.

Author information

1
Heinrich Pette Institute-Leibniz-Institute for Experimental Virology, Hamburg, Germany.

Abstract

Bacterial artificial chromosomes (BACs) are suitable vectors not only to maintain the large genomes of herpesviruses in Escherichia coli but also to enable the traceless introduction of any mutation using modern tools of bacterial genetics. To clone a herpes simplex virus genome, a BAC replication origin is first introduced into the viral genome by homologous recombination in eukaryotic host cells. As part of their nuclear replication cycle, genomes of herpesviruses circularize and these replication intermediates are then used to transform bacteria. After cloning, the integrity of the recombinant viral genomes is confirmed by restriction length polymorphism analysis and sequencing. The BACs may then be used to design virus mutants. Upon transfection into eukaryotic cells new herpesvirus strains harboring the desired mutations can be recovered and used for experiments in cultured cells as well as in animal infection models.

PMID:
24671676
DOI:
10.1007/978-1-4939-0428-0_4
[Indexed for MEDLINE]

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