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WordNet 3.0Copyright Princeton University
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n. - Enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic.

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Usage examples (35)
  • Using these simplifications, the difficulty of specifying a working beta-lactamase domain is assessed here.
  • For example, in my early college research, I worked on means of overcoming penicillin beta-lactamase mechanisms of penicillin resistance.
  • This is found to cause complete loss of function in vivo for two unrelated monomeric enzymes: barnase a bacterial RNase and TEM-1 beta-lactamase.
  • Antibiotics such as penicillin are called, collectively, beta-lactams, and enzymes that break down these antibiotics and confer drug resistance are called beta-lactamases,...
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