Friday, July 29, 2011

Bacterial resistance to antibiotics: The more they resist, the more they divide

Bacterial resistance to antibiotics: The more they resist, the more they divide: "The number of multiresistant strains of bacteria in hospitals is increasing. Bacteria acquire resistance to antibiotics through mutations in their chromosomes and by incorporating new genes, either from the surrounding environment or from other bacteria. Now, researchers in Portugal have shown that, surprisingly, when both mechanisms of resistance are playing out in the bacterium E. coli, its ability to survive and reproduce is increased."

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