Resistance mechanisms in an in vitro-selected amoxicillin-resistant strain of Helicobacter pylori

被引:42
作者
Co, Edgie-Mark A. [1 ]
Schiller, Neal L. [1 ]
机构
[1] Univ Calif Riverside, Div Biomed Sci, Riverside, CA 92521 USA
关键词
D O I
10.1128/AAC.00759-06
中图分类号
Q93 [微生物学];
学科分类号
071005 [微生物学]; 100705 [微生物与生化药学];
摘要
We investigated the beta-lactam resistance mechanism(s) of an in vitro-selected amoxicillin-resistant Helicobacter pylori strain (AmoxR). Our results demonstrated that resistance is due to a combination of amino acid substitutions in penicillin binding protein I (PBP1), HopB, and HopC identified in AmoxR, resulting in decreased affinity of PBP1 for amoxicillin and decreased accumulation of penicillin.
引用
收藏
页码:4174 / 4176
页数:3
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