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© Research
Publication : BMC microbiology

A non-sense mutation in the putative anti-mutator gene ada/alkA of Mycobacterium tuberculosis and M. bovis isolates suggests convergent evolution

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in BMC microbiology - 16 May 2007

Nouvel LX, Dos Vultos T, Kassa-Kelembho E, Rauzier J, Gicquel B

Link to Pubmed [PMID] – 17506895

BMC Microbiol. 2007;7:39

Previous studies have suggested that variations in DNA repair genes of W-Beijing strains may have led to transient mutator phenotypes which in turn may have contributed to host adaptation of this strain family. Single nucleotide polymorphism (SNP) in the DNA repair gene mutT1 was identified in MDR-prone strains from the Central African Republic. A Mycobacteriumtuberculosis H37Rv mutant inactivated in two DNA repair genes, namely ada/alkA and ogt, was shown to display a hypermutator phenotype. We then looked for polymorphisms in these genes in Central African Republic strains (CAR).

http://www.ncbi.nlm.nih.gov/pubmed/17506895