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在反硝化产碱杆菌木糖氧化亚种中鉴定出一种羧苄青霉素水解β-内酰胺酶。

Identification of a carbenicillin-hydrolyzing beta-lactamase in Alcaligenes denitrificans subsp. xylosoxydans.

作者信息

Decré D, Arlet G, Bergogne-Bérézin E, Philippon A

机构信息

Service de Microbiologie, Hôpital Bichat-Claude Bernard, Paris, France.

出版信息

Antimicrob Agents Chemother. 1995 Mar;39(3):771-4. doi: 10.1128/AAC.39.3.771.

Abstract

Eleven strains of Alcaligenes denitrificans subsp. xylosoxydans produced a beta-lactamase with a pI of 5.7 with kinetic data characteristic of a PSE-1-type enzyme. A CARB-type enzyme was identified by using an intragenic DNA probe of blaCARB. Hybridization of genomic DNA after XbaI restriction and pulsed-field electrophoresis suggested a chromosomal location for the gene.

摘要

11株反硝化产碱杆菌木糖氧化亚种产生了一种pI为5.7的β-内酰胺酶,其动力学数据具有PSE-1型酶的特征。通过使用blaCARB的基因内DNA探针鉴定出一种CARB型酶。XbaI酶切和脉冲场电泳后的基因组DNA杂交表明该基因位于染色体上。

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