β-laktamaas

Terminological databases

ID 736812 Last modified 14.02.2017

Domain biochemistry

beetalaktamaas

β-laktamaas

beta-lactamase

β–lactamase

teatud bakterite poolt toodetav ensüüm, mis lõhustab penitsilliine ja tsefalosporiine ning mille abil bakterid blokeerivad penitsilliini ja tsefalosporiini rea antibiootikumide toimet

any of various bacterial enzymes that inactivate beta-lactam antibiotics (such as penicillin and cephalosporin) by hydrolyzing them

Good to know

Vt ka kitsam mõiste „penicillinase - penitsillinaas“. [13.02.2017]
Beta-lactamase was originally used only to refer to bacterial enzymes that inactivated penicillin. As additional types of beta-lactam antibiotics were introduced, other bacterial beta-lactamases were identified.

beetalaktamaas

β-laktamaas

beta-lactamase

β–lactamase

Usage examples

All penicillins are readily inactivated by chemical or enzymic hydrolysis of the strained four‐membered β‐lactam ring, cold dilute acid yielding penicillamine, and alkali or penicillinases and other β‐lactamases forming the corresponding substituted penicilloic acids.

ID 1152104 Last modified 21.12.2025

beetalaktamaas

β-laktamaas

β-lactamase

bakterite poolt toodetud ensüüm, mis määrab mikroobide penitsilliini- ja ampitsilliiniresistentsuse

beetalaktamaas

β-laktamaas

β-lactamase

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