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质粒介导的AmpCβ-内酰胺酶的研究进展 被引量:5

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摘要 近些年来研究表明 ,质粒介导的AmpCβ -内酰胺酶主要由肠杆菌科细菌产生 ,具有比ESBLs酶更广的水解底物谱 ,能有效水解三代头孢菌素类、单环类及头霉素类抗生素 ,且不受酶抑制剂所抑制。携带编码ampC酶基因质粒快速复制和可转移性的特点 ,导致耐药性广泛传播 ,给临床治疗带来极大困难。本文就质粒介导的AmpCβ -内酰胺酶的来源、流行病学特点、分类及基因表达调控等方面进行综述。
作者 尹辉 陈群
出处 《国外医药(抗生素分册)》 CAS 2003年第6期257-260,共4页 World Notes on Antibiotics
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