Bacteria 300 meters deep immune to antibiotics...

Paenibacillus is a bacterium found 300 meters deep inside a cave in New Mexico that reminds us of how brittle our current antibiotic system is: italready shows resistance to the antibiotics used today, including the "last resort" as Daptomycin.



The bacterium, found in the cave of Lechuguilla, which is one of the longest in the world and deepest in the United States, is resistant to 18 different antibiotics and uses identical methods of defense to those of similar species found on the surface. Which suggests that evolutionary pressure to conserve these resistance genes has existed for millions of years.

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