نتایج جستجو برای: p aeruginosa strains 7nsk2
تعداد نتایج: 1425435 فیلتر نتایج به سال:
Pseudomonas aeruginosa is a major opportunistic pathogen in cystic fibrosis (CF) patients and causes a wide range of infections among other susceptible populations. Its inherent resistance to many antimicrobials also makes it difficult to treat infections with this pathogen. Recent evidence has highlighted the diversity of this species, yet despite this, the majority of studies on virulence and...
A genomic island consisting of 14 open reading frames, orfA to orfN was previously identified in Pseudomonas aeruginosa strain PAK and shown to be essential for glycosylation of flagellin. DNA microarray hybridization analysis of a number of P. aeruginosa strains from diverse origins showed that this island is polymorphic. PCR and sequence analysis confirmed that many P. aeruginosa strains carr...
The Susceptibility of Pseudomonas aeruginosa Strains from Cystic Fibrosis Patients to Bacteriophages
Phage therapy may become a complement to antibiotics in the treatment of chronic Pseudomonas aeruginosa infection. To design efficient therapeutic cocktails, the genetic diversity of the species and the spectrum of susceptibility to bacteriophages must be investigated. Bacterial strains showing high levels of phage resistance need to be identified in order to decipher the underlying mechanisms....
Seventy-five consecutive clinical Pseudomonas aeruginosa isolates were tested for in vitro exotoxin production. Exotoxin was demonstrated in culture filtrates biologically, by its ability to produce characteristic dermonecrotic lesions in guinea pigs, and seriologically, by counterimmunoelectrophoresis (CIE) with rabbit antiserum elicited with purified exotoxin. By these two methods, exotoxin w...
Sink drains in a medical-surgical intensive care unit (ICU) were cultured during six consecutive weeks as part of a seven month prospective study of acquisition of Pseudomonas aeruginosa by ICU patients. Isolates were typed serologically and by aminoglycoside and chlorhexidine susceptibility patterns. All 11 sinks contained multiple strains of P aeruginosa; some strains persisted for weeks whil...
The results of this study suggest that the transduction of antibiotic resistance genes by wild-type phages is an additional mechanism of spread amongst strains of P. aeruginosa. The emergence of lysogenic, multidrug-resistant strains, therefore, should be closely monitored. tobramycin resistance in Pseudomonas aeruginosa with phage F 116 and AP 19, a new wild-type phage. Zentralblatt für Bakter...
Pseudomonas aeruginosa strains were grown in 1-cm plastic chambers sealed at both ends with porous Millipore filters and implanted in the peritonea of mice. Mucoid and nonmucoid strains of P. aeruginosa isolated from a patient with cystic fibrosis largely retained their phenotypes when grown for up to 1 year in this in vivo system, although colonial dissociation occurred, as observed in chronic...
Pseudomonas aeruginosa is a notoriously difficult organism to control with antibiotics or disinfectants1. Recent reports on the antibiotic sensitivity patterns of P. aeruginosa in the UK have highlighted the problem of antibiotic resistance in cystic fibrosis (CF) strains in comparison with other hospital isolates2,3. Table 1 summarizes the current position in which the resistance rates of P. a...
BACKGROUND Pulmonary exacerbations in cystic fibrosis (CF) remain poorly understood and treatment is usually targeted at Pseudomonas aeruginosa. Within Australia a predominant shared P. aeruginosa strain (AUST-02) is associated with greater treatment needs. This single centre study assessed temporal shared strain population dynamics during and after antibiotic treatment of exacerbations. METH...
Two fully human mAbs specific for epitopes dependent on intact carboxylate groups on the C6 carbon of the mannuronic acid components of Pseudomonas aeruginosa alginate were found to promote phagocytic killing of both mucoid and nonmucoid strains as well as protection against both types of strains in a mouse model of acute pneumonia. The specificity of the mAbs for alginate was determined by ELI...
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