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beta-lactamase
(redirected from Beta-lactamases)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.03 sec.
beta-lactamase [¦bād·ə ′lak·tə‚mās]
(microbiology)
A bacterial enzyme that catalyzes the hydrolysis of the lactam ring in some penicillin antibiotics, rendering them ineffective.


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Extended-Spectrum Beta-Lactamases (ESBLs) are actually enzymes produced by certain types of bacteria, which renders the bacteria resistant to the antibiotics commonly used to treat them.
A professor at the University of Queensland, David Paterson, gave an insightful illustration of the effect extended spectrum beta-lactamases (ESBL) are having on infection control; future trends took ominous.
 
 
 
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