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Extended-spectrum beta-lactamases in Pseudomonas aeruginosa. [PDF]

Journal of Antimicrobial Chemotherapy, 1998
Pseudomonas aeruginosa, together with enterobacterial species, i.e. Enterobacter spp., Serratia marcescens, Citrobacter freundii, Morganella morganii and Yersinia enterocolitica possess a naturally-occurring cephalosporinase This enzyme when expressed at a low level confers resistance to aminopenicillins.
Patrice Nordmann
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Extended-spectrum beta lactamases: an overview

British Journal of Infection Control, 2005
ver recent months organisms producing extended-spectrum beta lactamases (ESBLs) have become an increasing problem in hospitals and the community. The situation was mentioned in this year's chief medical officer's report and subsequently received attention from national and local media.
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Extended-spectrum β-lactamases

Seminars in Respiratory Infections, 2002
Extended-spectrum beta-lactamases (ESBLs) were discovered in Europe in the early 1980s after widespread use of broad-spectrum antibiotics. They are largely derivatives of 3 progenitor beta-lactamases that confer resistance to ampicillin in gram-negative bacteria and are now carried on plasmids.
Laura L, Larson, Reuben, Ramphal
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Risks of extended-spectrum beta-lactamases

Drug and Therapeutics Bulletin, 2008
Extended-spectrum beta-lactamases (ESBLs) are an increasingly important cause of multi-drug resistant infections throughout the world.1,2 Bacteria carrying such enzymes have long been recognised as a cause of healthcare-associated infection.3 However, of concern, the incidence of such organisms also appears to be increasing in the community, typically ...
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Genetics of extended-spectrum beta-lactamases

European Journal of Clinical Microbiology & Infectious Diseases, 1994
Bacteria have adapted to the introduction of aztreonam, cefotaxime, ceftazidime, ceftriaxone and other oxyimino-beta-lactams by altering existing plasmid-mediated class A and class D beta-lactamases so as to expand their spectrum of activity. In the TEM and SHV families of extended-spectrum beta-lactamases, relative activity toward oxyimino-substrates ...
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Extended-Spectrum Beta-Lactamases

Seminars in Respiratory and Critical Care Medicine, 2000
Extended-spectrum beta-lactamases, most commonly found in Klebsiella pneumoniae and Escherichia coli, have increased markedly in the past decade, particularly in the intensive care unit setting. The problem has been significant in the United States but is even more prevalent in parts of Latin America and Asia.
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Clinical significance of extended-spectrum beta-lactamases

European Journal of Clinical Microbiology & Infectious Diseases, 1994
Extended-spectrum beta-lactamases (ESBLs) have now been described in many hospitals worldwide. While they have been detected in many pathogenic gram-negative bacteria, they are particularly prevalent in Klebsiella isolates. Known risk factors for colonization and/or infection with organisms harboring these enzymes include admission to an intensive care
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[Extended spectrum beta-lactamases].

La Revue du praticien, 1994
At least 30 extended-spectrum beta-lactamases (ESB) have emerged responsible for resistance to indigestible beta-lactams (C3G) since their discovery in West Germany in 1983. Most of them are produced by enterobacteria and essentially K. pneumoniae which appeared susceptible to oxyimino-beta-lactams.
A, Philippon, G, Arlet, P, Lagrange
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Extended-spectrum β-lactamases☆

Seminars in Respiratory Infections, 2001
Extended-spectrum beta lactamase (ESBL) producing gram-negative bacilli are a growing concern, especially because the species of organisms producing these enzymes are increasing. Bacteria possessing these enzymes are resistant to third-generation cephalosporins--antimicrobial agents important for inpatient therapy.
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Plasmid-mediated extended spectrum beta-lactamases

Médecine Et Maladies Infectieuses, 1992
Summary The classical plasmid-mediated beta-lactamases can alter their specificity towards the hydrolysis of so-called beta-lactamase stable compounds, such as third-generation cephalosporins, by simple one step mutation and subsequent selection.
B Wiedemann
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