Newly engineered enzyme is a powerful staph antibiotic

In the past decade, methicillin-resistant Staphylococcus aureus, or MRSA, has ushered in a new era in the fight between man and bug. By harnessing the power of nature’s own antibiotics, scientists have engineered an enzyme known as a lysin that not only kills MRSA in mice but also works synergistically with antibiotics that were once powerless against the formidable organism.

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