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单词 penicillinase
释义

Definition of penicillinase in English:

penicillinase

noun ˌpɛnɪˈsɪlɪneɪzˌpenəˈsilənās
mass nounBiochemistry
  • An enzyme which can inactivate penicillin, produced by certain bacteria.

    the potential to produce penicillinase
    count noun resistant to penicillinases
    Example sentencesExamples
    • Penicillin was first used in the early 1940s and by 1950, most Staphylococcus aureus organisms were resistant to the drug by virtue of elaboration of a penicillinase enzyme.
    • These chemically modified penicillins have a side chain that inhibits the action of penicillinase.
    • For example, the resistance to penicillin initially was due to production of an enzyme penicillinase by bacteria, antibiotics like cloxallin were developed which was resistant to penicillinase enzyme.
    • A control gene regulates the production of an enzyme that destroys the antibiotic, e.g. penicillinase which destroys penicillin.
    • After all, the resistant strain has the genetic information necessary to produce penicillinase, which is a complex chemical.
 
 

Definition of penicillinase in US English:

penicillinase

nounˌpenəˈsilənās
Biochemistry
  • An enzyme which can inactivate penicillin, produced by certain bacteria.

    the potential to produce penicillinase
    count noun resistant to penicillinases
    Example sentencesExamples
    • A control gene regulates the production of an enzyme that destroys the antibiotic, e.g. penicillinase which destroys penicillin.
    • For example, the resistance to penicillin initially was due to production of an enzyme penicillinase by bacteria, antibiotics like cloxallin were developed which was resistant to penicillinase enzyme.
    • After all, the resistant strain has the genetic information necessary to produce penicillinase, which is a complex chemical.
    • These chemically modified penicillins have a side chain that inhibits the action of penicillinase.
    • Penicillin was first used in the early 1940s and by 1950, most Staphylococcus aureus organisms were resistant to the drug by virtue of elaboration of a penicillinase enzyme.
 
 
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更新时间:2024/12/23 0:12:22