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Researchers have discovered that proteins in the mollusk’s blood not only have bacteria-killing properties, raising the possibility of a new antibiotic, but also increase the effectiveness of some existing antibiotics.


Researchers have discovered that proteins found in oyster blood have bacteria-killing properties and can boost the effectiveness of some common antibiotics whose use has been negatively affected by the global rise in drug resistance.

Researchers have discovered that proteins found in oyster blood have bacteria-killing properties and can boost the effectiveness of some common antibiotics whose use has been negatively affected by the global rise in drug resistance. The researchers found that the hemolymph proteins they tested demonstrated an antibacterial effect, especially on the Streptococcus species S. pneumoniae, mentioned above, and S. pyogenes, which causes throat infection and tonsillitis. Additionally, the researchers discovered that the hemolymph proteins improved the effectiveness of conventional antibiotics ampicillin, gentamicin, trimethoprim and ciprofloxacin by two- to 32-fold against clinically important bacteria.

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