van Kessel, JC and Marinelli, LJ and Hatfull, GF
(2008)
Recombineering mycobacteria and their phages.
Nature Reviews Microbiology, 6 (11).
851 - 857.
ISSN 1740-1526
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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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