(LA Times) New antibiotic teixobactin kills drug-reistant superbugs, study says

Using soil from a grassy field in Maine and a miniaturized diffusion chamber, scientists have cultivated a microbe that could help tame the spread of antibiotic-resistant superbugs.

When tricked into growing in a lab, the microbe makes a compound that kills strains of tuberculosis, MRSA and other deadly pathogens that are immune to even the most powerful drugs. Tests in mice showed that the newfound molecule is “exquisitely active against some very hard-to-deal-with bugs,” said Northeastern University microbiologist Kim Lewis, the senior author of a study published Wednesday in the journal Nature.

Experts said the discovery could lead to a new class of antibiotics for the first time in decades. If so, it would give doctors a much-needed weapon in the microbial arms race that has tilted in favor of bacteria.

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