EVAN OTO / SCIENCE PHOTO LIBRARY EVAN OTO / SCIENCE PHOTO LIBRARY
A molecular model of New Delhi Metallo-beta-lactamase-1 (NDM-1), an enzyme that contributes to beta-lactam antibiotic resistance. NDM-1 belongs to a group of beta-lactamase enzymes called carbapenemases, which allows bacteria to deactivate carbapenem antibiotics that are usually prescribed as a last resort when treating serious bacterial infections. Though strains of bacteria with the NDM-1 gene can be deadly, patients who are at risk are mostly those being treated for other conditions or who are prescribed long courses of antibiotics.
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