1887

Abstract

Annually, is the cause of approximately three million deaths worldwide. It would appear that currently available therapies for this disease are inadequate. The identification of genes involved in mycobacterial virulence will facilitate the design of new prophylactic and therapeutic interventions. A method for high-resolution comparison of bacterial genomes has been developed to facilitate the identification of genes possibly involved in the virulence of clinically relevant mycobacteria. This ‘two-dimensional bacterial genome display’ (2DBGD) method utilizes two-dimensional DNA electrophoresis to separate, on the basis of size and G+C content, genomic fragments generated with different restriction endonucleases. The use of this method to identify genomic differences between species, strains and, most importantly, isogenic mutants of mycobacteria is reported. That 2DBGD can be used to identify differences resulting from either insertional mutagenesis using a gentamicin-resistance gene or from a frameshift mutation is demonstrated.

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2002-10-01
2020-01-27
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