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Perspective
Nature Reviews Microbiology 6, 851–857 (1 November 2008) | doi:10.1038/nrmicro2014
Recombineering mycobacteria and their phages
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Abstract
Bacteriophages are central components in the development of molecular tools for microbial genetics. Mycobacteriophages have proven to be a rich resource for tuberculosis genetics, and the recent development of a mycobacterial recombineering system based on mycobacteriophage Che9c-encoded proteins offers new approaches to mycobacterial mutagenesis. Expression of the phage exonuclease and recombinase substantially enhances recombination frequencies in both fast- and slow-growing mycobacteria, thereby facilitating construction of both gene knockout and point mutants; it also provides a simple and efficient method for constructing mycobacteriophage mutants. Exploitation of host-specific phages thus provides a general strategy for recombineering and mutagenesis in genetically naive systems.
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