摘要
早在1940,Abraham 和Chain就描述到“一种酶能破坏青霉素”。在20世纪40年代末,金黄色葡萄球菌的耐青霉素菌株被发现是一个临床问题,他们能产生青霉素酶水解ß-内酰胺环的酰胺键。后来,从肠杆菌中分离出了由R-因子介导的一种酶。甲氧西林和头孢菌素是金黄色葡萄球菌酶非常差的底物,但被发现对这种新发现的酶敏感。第三代头孢菌素的出现解决了问题,但进一步被选择的酶表现出具有更广的耐药谱,例如,能水解头孢噻肟或头孢他啶。碳青霉烯类抗生素的发现是我们抗菌库的一大进展:他们能有效地灭活基本的青霉素结合蛋白,几乎所有已知-β内酰胺酶。然而,金属β-内酰胺酶,1990年之前被没有认为是主要的危险,在之后被发现是有效碳青霉烯酶,并开始以一个令人担忧的方式来传播。此外,碳青霉烯类水解酶在均在3类丝氨酸β-内酰胺酶活性位点中被发现。
关键词: β-内酰胺酶;碳青霉烯酶;青霉素;头孢菌素
图形摘要
Current Drug Targets
Title:From “An Enzyme Able to Destroy Penicillin” to Carbapenemases: 70 Years of Beta-lactamase Misbehaviour
Volume: 17 Issue: 9
Author(s): Jean-Marie Frère, Eric Sauvage, Frédéric Kerff
Affiliation:
关键词: β-内酰胺酶;碳青霉烯酶;青霉素;头孢菌素
摘要: As early as 1940, Abraham and Chain described “an enzyme able to destroy penicillin”. In the late 1940’s, penicillin-resistant strains of Staphylococcus aureus were found to be a clinical problem. They produced a penicillinase that could hydrolyze the amide bond in the β-lactam ring. Later, an enzyme mediated by an R-factor was isolated from Enterobacteriaceae. Methicillin and cephalosporins, both very poor substrates of the S. aureus enzyme, were found to be sensitive to this new enzyme. Third generation cephalosporins appeared to solve the problem, but further enzymes were selected that exhibited extended spectra and could for instance hydrolyze cefotaxime and/or ceftazidime. The discovery of carbapenems constituted a major advance for our antimicrobial arsenal: they inactivated most of the essential penicillin binding proteins effectively and escaped the activity of nearly all known -β lactamases. However, the metallo-β-lactamases, which had not been recognised as a major danger before 1990, were found to act as effective carbapenemases and started to spread in a worrying way. Moreover, carbapenem-hydrolyzing enzymes were found in each of the 3 classes of active-site serine β-lactamases.
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Cite this article as:
Jean-Marie Frère, Eric Sauvage, Frédéric Kerff , From “An Enzyme Able to Destroy Penicillin” to Carbapenemases: 70 Years of Beta-lactamase Misbehaviour, Current Drug Targets 2016; 17 (9) . https://dx.doi.org/10.2174/1389450116666151001112859
DOI https://dx.doi.org/10.2174/1389450116666151001112859 |
Print ISSN 1389-4501 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5592 |
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