Article
Growth-dependent DNA breakage and cell death in a gyrase mutant of Salmonella.
Genetics - 1 Dec 2001
Garí E, Bossi L, Figueroa-Bossi N
Abstract excerpt
A class of gyrase mutants of Salmonella enterica mimics the properties of bacteria exposed to quinolones. These mutants suffer spontaneous DNA breakage during normal growth and depend on recombinational repair for viability. Unlike quinolone-treated bacteria, however, they do not show accumulation of cleavable gyrase-DNA complexes. In recA or recB mutant backgrounds, the temperature-sensitive (ts) allele gyrA208...
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