Chromosomal β-lactamase is packaged into membrane vesicles and secreted from Pseudomonas aeruginosa

被引:212
|
作者
Ciofu, O
Beveridge, TJ
Kadurugamuwa, J
Walther-Rasmussen, J
Hoiby, N
机构
[1] Univ Copenhagen, Inst Med Microbiol & Immunol, Panum Inst 24 1, DK-2200 Copenhagen N, Denmark
[2] Univ Guelph, Dept Microbiol, Guelph, ON N1G 2W1, Canada
关键词
D O I
10.1093/jac/45.1.9
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
Membrane vesicles were isolated from one beta-lactam-sensitive and three beta-lactam-resistant Pseudomonas aeruginosa clinical isolates from patients with cystic fibrosis. The presence of the chromosomally encoded beta-lactamase in the membrane vesicles was shown by electron microscopy and enzymatic studies. This is the first report of extracellular secretion of beta-lactamase in P. aeruginosa and it seems that the enzyme is packaged into membrane vesicles.
引用
收藏
页码:9 / 13
页数:5
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