Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| cloning of mpd gene from a chlorpyrifos-degrading bacterium and use of this strain in bioremediation of contaminated soil. | an effective chlorpyrifos-degrading bacterium (named strain yc-1) was isolated from the sludge of the wastewater treating system of an organophosphorus pesticides manufacturer. based on the results of phenotypic features, phylogenetic similarity of 16s rrna gene sequences and biolog test, strain yc-1 was identified as the genus stenotrophomonas. the isolate utilized chlorpyrifos as the sole source of carbon and phosphorus for its growth and hydrolyzed chlorpyrifos to 3,5,6-trichloro-2-pyridinol. ... | 2006 | 17107423 |
| resistance in nonfermenting gram-negative bacteria: multidrug resistance to the maximum. | nonfermenting gram-negative bacteria pose a particular difficulty for the healthcare community because they represent the problem of multidrug resistance to the maximum. important members of the group in the united states include pseudomonas aeruginosa, acinetobacter baumannii, stenotrophomonas maltophilia, and burkholderia cepacia. these organisms are niche pathogens that primarily cause opportunistic healthcare-associated infections in patients who are critically ill or immunocompromised. mult ... | 2006 | 16813979 |
| weakening effect of cell permeabilizers on gram-negative bacteria causing biodeterioration. | gram-negative bacteria play an important role in the formation and stabilization of biofilm structures on stone surfaces. therefore, the control of growth of gram-negative bacteria offers a way to diminish biodeterioration of stone materials. the effect of potential permeabilizers on the outer membrane (om) properties of gram-negative bacteria was investigated and further characterized. in addition, efficacy of the agents in enhancing the activity of a biocide (benzalkonium chloride) was assesse ... | 2006 | 16820461 |
| invasive pulmonary and central nervous system aspergillosis after near-drowning of a child: case report and review of the literature. | invasive aspergillosis is extremely rare in immunocompetent children. here we describe the clinical, radiologic, and laboratory course of fatal invasive pulmonary and central nervous system aspergillosis in a previously healthy child after a near-drowning incident with submersion in a pond. findings were compared with data from the literature, which is reviewed. serum aspergillus galactomannan levels were determined retrospectively and were compared with the results of routine microbiological an ... | 2006 | 16864641 |
| [short communication: prevalence of extended spectrum beta-lactamases in gram negative rods: data of 2001-2004 period]. | this study was undertaken to determine the prevalence of extended spectrum beta-lactamase (esbl) production by gram negative rods (gnrs) isolated from various clinical specimens (3.240 urine, 336 pus, 277 feces, 83 blood, 38 sputum) sent to our hospital laboratory, between 2001-2004. of isolated bacteria 71.4% were identified as escherichia coli, 11.1% were klebsiella spp, 4.2% were salmonella spp, 3.7% were pseudomonas spp, 3.5% were proteus spp, 2.9% were shigella spp, 2.3% were enterobacter s ... | 2006 | 17205693 |
| [stenotrophomonas maltophilia]. | 2006 | 16896499 | |
| changing trends in etiology of bacteremia in patients with cancer. | the present study was conducted to determine trends in the quantitative bacterial load patterns of bacterial bloodstream infections (bsi) caused by various bacteria in patients receiving care at a comprehensive cancer center. bacterial loads of all consecutive quantitative blood cultures performed during 1998 and 2004 were graded quantitatively. gram-positive bacteria (gpb) were responsible for the majority of bsi episodes in both years studied: 740 of 1,055 (73%) in 1998 and 820 of 1,025 (82%) ... | 2006 | 16896827 |
| a novel lysozyme from xanthomonas oryzae phage varphixo411 active against xanthomonas and stenotrophomonas. | in this study, a bacteriophage of xanthomonas oryzae pv. oryzae designated as varphixo411 was isolated. random sequencing of its genome revealed that it is closely related to another x. oryzae phage, xp10. a cloned fragment carries the lysozyme gene, lys411. the deduced protein, lys411, shares 92% identity with xp10 lysozyme, which contains an extra 46 aa at the n-terminus. lys411 shows over 40% identities to several other phage lysozymes. the his-tagged protein, lys411h, expressed in escherichi ... | 2006 | 16908188 |
| skin manifestation of stenotrophomonas maltophilia infection--a case report and review article. | stenotrophomonas maltophilia is an aerobic gram-negative bacillus that is a frequent coloniser of fluids used in the hospital setting. it causes infection in immunosuppressed hosts, especially those who are neutropaenic, on chemotherapy and broad spectrum antibiotics. skin and soft tissue manifestations of stenotrophomonas maltophilia infection are becoming an increasingly recognised entity; the clinical spectrum ranges from mucocutaneous, skin to soft tissue infections. | 2006 | 17219003 |
| [stenotrophomonas maltophilia bacteremia after endoscopic retrograde cholangiopancreatography]. | 2006 | 16956545 | |
| antibacterial evaluation of a collection of norfloxacin and ciprofloxacin derivatives against multiresistant bacteria. | the objective of this study was to analyse an array of ciprofloxacin and norfloxacin derivatives in order to determine those with good activity against bacteria that already present fluoroquinolone resistance associated with mutations in the gyra and/or parc genes. four norfloxacin and 20 ciprofloxacin derivatives were synthesised and tested against quinolone-susceptible and -resistant escherichia coli, acinetobacter baumannii, stenotrophomonas maltophilia and staphylococcus aureus strains using ... | 2006 | 16781123 |
| combined acanthamoeba and stenotrophomonas maltophilia keratitis treated with a conjunctival flap followed by penetrating keratoplasty. | to describe whether a technique of treatment of a combined acanthamoeba-stenotrophomonas keratitis with a conjunctival flap followed by a penetrating keratoplasty is successful. | 2006 | 16783158 |
| are therapeutic ultrasound units a potential vector for nosocomial infection? | nosocomial infections present a widespread problem in today's healthcare environment, with a significant number of patients acquiring an infection annually. with the contemporary transition of immunocompromised and high-risk patients to community-based care, therapeutic ultrasound has the potential to be a vector of infection in the physiotherapy setting. the purpose of the present study was to determine the degree of contamination on therapeutic ultrasound transducer heads and ultrasound gel af ... | 2006 | 16808087 |
| capillary isoelectric focusing and fluorometric detection of proteins and microorganisms dynamically modified by poly(ethylene glycol) pyrenebutanoate. | the nonionogenic pyrene-based tenside, poly(ethylene glycol) pyrenebutanoate, was prepared and applied in capillary isoelectric focusing with fluorometric detection. this dye was used here as a buffer additive in capillary isoelectric focusing for a dynamic modification of the sample of proteins and microorganisms. the values of the isoelectric points of the labeled bioanalytes were calculated with use of the fluorescent pi markers and were found comparable with pi of the native compounds. the m ... | 2006 | 17165837 |
| capillary isoelectric focusing of proteins and microorganisms in dynamically modified fused silica with uv detection. | we suggest a method for the reproducible and efficient capillary isoelectric focusing of proteins and microorganisms in the ph gradient 3-10. the method involves the segmental injection of the simple ampholytes, the solution of the selected electrolytes, and the sample mixture of bioanalytes and carrier ampholytes to the fused silica capillaries dynamically modified by poly(ethylene glycol), peg 4000, which is added to the catholyte, the anolyte and injected solutions. in order to receive the re ... | 2006 | 16765111 |
| detection of a phage genome carrying a zonula occludens like toxin gene (zot) in clinical isolates of stenotrophomonas maltophilia. | during a study of the genetic diversity of stenotrophomonas strains, we found an autonomous replicating dna molecule in chromosomal dna preparations of the clinical stenotrophomonas maltophilia strain c5. the entire sequence of 6,907 bp of the isolated dna molecule was determined, which was called phisma9. seven orfs, which code for proteins with considerable similarity to proteins in databases, were identified in the dna sequence. the largest orf shows high sequence similarities to the pi prote ... | 2006 | 16775751 |
| xanthomonas maltophilia cbs 897.97 as a source of new 7beta- and 7alpha-hydroxysteroid dehydrogenases and cholylglycine hydrolase: improved biotransformations of bile acids. | the paper reports the partial purification and characterization of the 7beta- and 7alpha-hydroxysteroid dehydrogenases (hsdh) and cholylglycine hydrolase (cgh), isolated from xanthomonas maltophilia cbs 897.97. the activity of 7beta-hsdh and 7alpha-hsdh in the reduction of the 7-keto bile acids is determined. the affinity of 7beta-hsdh for bile acids is confirmed by the reduction, on analytical scale, to the corresponding 7beta-oh derivatives. a crude mixture of 7alpha- and 7beta-hsdh, in solubl ... | 2006 | 16307764 |
| [stenotrophomonas maltophilia, an increasingly important nosocomial pathogen]. | 2006 | 16537054 | |
| cytotoxic activity of clinical stenotrophomonas maltophilia. | to determine the potential virulence factors produced by culture supernatants of clinical isolates of stenotrophomonas maltophilia. | 2006 | 16965377 |
| [epidemiology, clinical features and prognosis of infections due to stenotrophomonas maltophilia]. | stenotrophomonas maltophilia is a multiresistant pathogen that is being isolated with increasing frequency from patients with predisposing factors. few studies have assessed the epidemiology and clinical relevance of this pathogen in various types of patients from general hospitals. | 2006 | 16537055 |
| stenotrophomonas maltophilia and antibiotic use in german intensive care units: data from project sari (surveillance of antimicrobial use and antimicrobial resistance in german intensive care units). | risk factors for the selection of stenotrophomonas maltophilia were analysed by correlating antimicrobial use and structure parameters (e.g. hospital type) with the incidence density of s. maltophilia and the percentage of s. maltophilia isolated from 39 intensive care units (icus). sari (surveillance of antimicrobial use and antimicrobial resistance in german intensive care units) is a prospective unit- and laboratory-based surveillance system that collects data on the 13 most important organis ... | 2006 | 16979794 |
| the presence of a conjugative gram-positive tn2009 in gram-negative commensal bacteria. | to determine whether mef(a)-msr(d) and tet(m) genes are linked in representative gram-negative isolates and/or transferred together during conjugation. to molecularly characterize the acinetobacter junii element and compare the structure and sequence with the non-conjugative streptococcus pneumoniae tn2009 element. | 2006 | 16551693 |
| percutaneous stent-graft repair of a mycotic pulmonary artery pseudoaneurysm. | ruptured mycotic pulmonary pseudoaneurysm is a lethal complication. emergent surgical repair is usually recommended, but still associated with a high mortality rate. we present a patient in whom mycotic pulmonary pseudoaneurysm was a complication after surgical lobectomy 2 weeks earlier. this patient had suffered from repeated massive hemoptysis. after emergent surgical repair of the ruptured pulmonary artery stump, another episode of massive hemorrhage occurred. the pulmonary arteriogram reveal ... | 2006 | 16565793 |
| frequency and predictors of colonization of the respiratory tract by vim-2-producing pseudomonas aeruginosa in patients of a newly established intensive care unit. | the aim of this study was to examine the frequency and predictors of colonization of the respiratory tract by metallo-beta-lactamase (mbl)-producing gram-negative bacteria in patients admitted to a newly established intensive care unit (icu) of a tertiary care hospital. specimens of tracheobronchial aspirates for microbiological studies were obtained every day for the first 3 days of the icu stay and subsequently every third day for the rest of the icu stay. pcr analysis and nucleotide sequencin ... | 2006 | 17005794 |
| smedef-mediated antimicrobial drug resistance in stenotrophomonas maltophilia clinical isolates having defined phylogenetic relationships. | to test whether smedef overexpression leads to a predictable multi-drug resistance phenotype in stenotrophomonas maltophilia and to measure the frequency with which smedef overexpression occurs in clinical isolates and in spontaneous drug-resistant mutants. | 2006 | 16597633 |
| [investigating the fluoroquinolone molecular resistant mechanism of stenotrophomonas maltophilia]. | to research dna gyrase and topoisomerase iv quinolone resistance-determining regions (qrdrs) in stenotrophomonas maltophilia clinical isolates with different resistant levels of quinolone susceptibility. | 2006 | 16608091 |
| bacteremia caused by stenotrophomonas maltophilia in a dialysis patient with a long-term central venous catheter. | 2006 | 16671044 | |
| stenotrophomonas dokdonensis sp. nov., isolated from soil. | a gram-negative, rod-shaped, stenotrophomonas-like bacterial strain, ds-16(t), was isolated from soil from dokdo, korea, and subjected to a polyphasic taxonomic study. strain ds-16(t) grew optimally at ph 6.0-7.0 and 30 degrees c in the presence of 0.5 % (w/v) nacl. it contained q-8 as the predominant ubiquinone and iso-c(16 : 0), iso-c(15 : 0) and iso-c(17 : 1)omega9c as the major fatty acids. the dna g + c content was 65.1 mol%. phylogenetic analyses based on 16s rrna gene sequences showed tha ... | 2006 | 16738115 |
| anopheles gambiae (diptera: culicidae) oviposition in response to agarose media and cultured bacterial volatiles. | anopheles gambiae s.s. giles accepted a range of agarose gels, varying from 0.5 to 8% (wt:vol), for oviposition; laid more eggs on 0.5% agarose gels than on moist filter paper or on drier agarose; and laid equal numbers of eggs on 0.5% agarose gels and distilled water. larvae hatched on agarose gel substrates and crawled onto the surface of moist agarose gels, but they tended only to burst the egg cap and remain within the egg case on drier gels. a mixture of cultured bacteria, originating from ... | 2006 | 16739407 |
| antimicrobial and toxicological profile of the new biocide akacid plus. | akacid plus is a new member of the polymeric guanidine family of disinfectants. it was especially developed to enhance the antimicrobial activity of this class with significantly less toxicity. the in vitro activity of akacid plus compared with chlorhexidine digluconate and mupirocin was tested against a total of 369 recent clinical isolates. | 2006 | 16751199 |
| purpura fulminans due to stenotrophomonas maltophilia infection in a premature infant. | 2006 | 16732810 | |
| inducible uptake and metabolism of glucose by the phosphorylative pathway in pseudomonas putida csv86. | pseudomonas putida csv86 utilizes glucose, naphthalene, methylnaphthalene, benzyl alcohol and benzoate as the sole source of carbon and energy. compared with glucose, cells grew faster on aromatic compounds as well as on organic acids. the organism failed to grow on gluconate, 2-ketogluconate, fructose and mannitol. whole-cell oxygen uptake, enzyme activity and metabolic studies suggest that in strain csv86 glucose utilization is exclusively by the intracellular phosphorylative pathway, while in ... | 2006 | 16734795 |
| a ctx-m extended-spectrum beta-lactamase in pseudomonas aeruginosa and stenotrophomonas maltophilia. | 2006 | 17030926 | |
| resistance in nonfermenting gram-negative bacteria: multidrug resistance to the maximum. | nonfermenting gram-negative bacteria pose a particular difficulty for the healthcare community because they represent the problem of multidrug resistance to the maximum. important members of the group in the united states include pseudomonas aeruginosa, acinetobacter baumannii, stenotrophomonas maltophilia, and burkholderia cepacia. these organisms are niche pathogens that primarily cause opportunistic healthcare-associated infections in patients who are critically ill or immunocompromised. mult ... | 2006 | 16735148 |
| unclear fever 7 weeks after renal transplantation in a 56-year-old patient. | 2006 | 16751654 | |
| nitrogen-fixing chemo-organotrophic bacteria isolated from cyanobacteria-deprived lichens and their ability to solubilize phosphate and to release amino acids and phytohormones. | cyanobacteria-deprived lichens of the species canoparmelia caroliniana, canoparmelia crozalsiana, canoparmelia texana, parmotrema sancti-angeli and parmotrema tinctorum were screened for the presence of chemo-organotrophic nitrogen-fixing bacteria. | 2006 | 17040231 |
| risk factors of superinfection following imipenem/cilastatin therapy in hospitalised patients with acute exacerbations of severe chronic obstructive pulmonary disease. | imipenem is often used in treatment of acute exacerbations of severe chronic obstructive pulmonary disease (copd). superinfection following imipenem therapy is a common cause of treatment failure and high economic burden. this study is aimed to explore any clinical factors which determine the risk of superinfection after imipenem treatment in acute exacerbations of severe copd. a prospective observational study was conducted in a 5-bed respiratory intensive care unit of a chinese university hosp ... | 2006 | 16858755 |
| stenotrophomonas maltophilia bacteremia in burn patients. | stenotrophomonas maltophilia has been increasingly reported as a nosocomial opportunistic pathogen in debilitated patients, including burn patients. there is, however, only one published report in english that discusses s. maltophilia bacteremia in burns. we performed a retrospective chart review and statistical analysis of the incidence, the duration of hospital stays before a diagnosis of bacteremia, antimicrobial susceptibility, prognosis, and mortality risk factors in burn patients. from jan ... | 2006 | 16448762 |
| nature of bacteria found on some wards in sultan qaboos university hospital, oman. | this study aims to determine what objects lying in the hospital environment or brought in from outside contribute to the introduction of bacteria associated with nosocomial infections. one hundred swab specimens collected from children's toys, sinks, door handles, telephone handsets and flowers brought into the hospital were plated on different culture media. colonial growth on the media was purified and identified subsequently using standard bacteriological methods. of the 100 samples cultured, ... | 2006 | 16871995 |
| phenotypic characterization of raw milk-associated psychrotrophic bacteria. | among the 68 isolates, selected from 13 raw-milk samples in finland (that originate from farm, truck or silo tanks), 60 (88%) were psychrotrophs. all the isolates were characterized by the determination of their spoilage and phenotypic features: proteolytic and lipolytic activities, the production of lecithinases and hemolytic factors were considered. phenotypic characterization of the isolates was mainly performed with api 20ne and biolog gn2 identification systems; the results were system-depe ... | 2006 | 16459065 |
| stenotrophomonas maltophilia endophthalmitis after cataract extraction. | to report the clinical course, treatment response, and prognosis of stenotrophomonas maltophilia endophthalmitis following cataract extraction. | 2006 | 16507490 |
| bronchoscopy in ventilator-associated pneumonia: agreement of calibrated loop and serial dilution. | although the serial dilution technique for quantitative culture of bronchoalveolar fluid is considered to be the gold standard for the diagnosis of ventilator-associated pneumonia, it is more labor intensive than the calibrated loop technique. | 2006 | 16528014 |
| assessment of pathogen frequency and resistance patterns among pediatric patient isolates: report from the 2004 sentry antimicrobial surveillance program on 3 continents. | selecting empiric or directed therapy for pathogens isolated from pediatric patients can be problematic. many antimicrobial agents are not indicated for use in pediatric patients, and regional variations of resistance mechanisms have been reported. the purpose of this study was to analyze antimicrobial resistance patterns and pathogen occurrence rates in pediatric-aged patient infections on 3 continents using data from the sentry antimicrobial surveillance program. a total of 3537 clinical isola ... | 2006 | 16938419 |
| iscr elements: novel gene-capturing systems of the 21st century? | "common regions" (crs), such as orf513, are being increasingly linked to mega-antibiotic-resistant regions. while their overall nucleotide sequences show little identity to other mobile elements, amino acid alignments indicate that they possess the key motifs of is91-like elements, which have been linked to the mobility ent plasmids in pathogenic escherichia coli. further inspection reveals that they possess an is91-like origin of replication and termination sites (teris), and therefore crs prob ... | 2006 | 16760305 |
| beta-lactam resistance and beta-lactamase expression in clinical stenotrophomonas maltophilia isolates having defined phylogenetic relationships. | to test the hypothesis that stenotrophomonas maltophilia isolates from certain phylogenetic groups have predictable beta-lactamase expression and beta-lactam resistance profiles. | 2006 | 16352734 |
| growth in stewart's medium is a simple, rapid and inexpensive screening tool for the identification of burkholderia cepacia complex. | ninety-one percent of burkholderia cepacia complex reference strains (66 out of 72) displayed a yellow slope-green butt colour reaction after growth in stewart's medium indicating the oxidation of glucose and the absence of an arginine dihydrolase system. this same colour reaction was observed for burkholderia gladioli and several ralstonia species, but not for pseudomonas aeruginosa, stenotrophomonas, achromobacter, pandoraea and several other gram-negative non-fermenting bacilli. we therefore ... | 2006 | 16386966 |
| degradation of low-ethoxylated nonylphenols by a stenotrophomonas strain and development of new phylogenetic probes for stenotrophomonas spp. detection. | an aerobic bacterium (bcc6), isolated from nonylphenol polyethoxylates (npeos)-contaminated sludge, was shown to be capable of degrading low-ethoxylated npeo mixtures. sequencing of 16s rrna gene (rdna) showed that it clustered with stenotrophomonas nitritireducens. fluorescent in situ hybridization (fish), performed on bcc6 strain and on the previously isolated stenotrophomonas bcal2, also involved in npeo degradation but clustering with s. maltophilia, showed that strain bcc6 did not hybridize ... | 2006 | 16392004 |
| genetic diversity of phenazine- and pyoluteorin-producing pseudomonads isolated from green pepper rhizosphere. | the genetic diversity among indigenous phenazine-1-carboxylic acid (pca)-producing and pyoluteorin (plt)-producing isolates of pseudomonads screened from green pepper rhizosphere was exploited in this study. a total of 48 bacterium isolates producing one or both of these antibiotics were screened from green pepper rhizosphere in diverse regions in china. among these isolates, 45 could produce pca, 3 could produce both pca and plt, and none could produce plt only. based on the restriction pattern ... | 2006 | 16395554 |
| which patient is a candidate for empirical therapy against stenotrophomonas maltophilia bacteraemia? an analysis of associated risk factors in a tertiary care hospital. | stenotrophomonas maltophilia is an emerging nosocomial pathogen with a tendency to be resistant to several antibiotics commonly used to treat nosocomial infections. early recognition of the risk factors for bacteraemia caused by s. maltophilia could potentially improve the prognosis in these cases. most data have been obtained from a limited number of descriptive studies. in this retrospective case-control study, we investigated the risk factors for s. maltophilia bacteraemia. we compared cases ... | 2006 | 16798705 |
| microbiology of airway disease in a cohort of patients with cystic fibrosis. | recent reports document an increasing incidence of new gram-negative pathogens such as stenotrophomonas maltophilia and alcaligenes xylosoxidans isolated from patients with cystic fibrosis, along with an increase in common gram-negative pathogens such as pseudomonas aeruginosa and burkholderia cepacia complex. furthermore, the increase in multidrug-resistance of such organisms makes the therapeutic management of these patients more problematic. therefore, careful isolation and identification, an ... | 2006 | 16405721 |
| the in-vitro activity of colistin in gram-negative bacteria. | colistin is a polypeptide antibiotic belonging to the polymyxins, and has been increasingly used for the treatment of multiresistant gram-negative infections. there is little current available data on the susceptibility of gram-negative bacilli to colistin, in part because susceptibility testing for colistin remains problematic, and also because the use of colistin is not widespread. this study tested clinical isolates of gram-negative bacilli for susceptibility to colistin using the reference s ... | 2006 | 16810437 |
| nosocomial pneumonia : rationalizing the approach to empirical therapy. | nosocomial pneumonia or hospital-acquired pneumonia (hap) causes considerable morbidity and mortality. it is the second most common nosocomial infection and the leading cause of death from hospital-acquired infections. in 1996 the american thoracic society (ats) published guidelines for empirical therapy of hap. this review focuses on the literature that has appeared since the ats statement. early diagnosis of hap and its etiology is crucial in guiding empirical therapy. since 1996, it has becom ... | 2006 | 16409013 |
| suspected ventilator-associated pneumonia in cardiac patients admitted to the coronary care unit. | to determine the incidence, risk factors, associated pathogens, and outcome of ventilator-associated pneumonia (vap) in patients admitted to a coronary care unit (ccu). | 2006 | 16438476 |
| evaluation of the phoenix 100 id/ast system and nid panel for identification of enterobacteriaceae, vibrionaceae, and commonly isolated nonenteric gram-negative bacilli. | the phoenix 100 id/ast system (becton dickinson co., sparks, md.) is an automated system for the identification and antimicrobial susceptibility testing of bacterial isolates. this system with its negative identification (nid) panel was evaluated for its accuracy in the identification of 507 isolates of the family enterobacteriaceae, 57 other nonenteric gram-negative isolates that are commonly isolated in clinical microbiology laboratories, and 138 isolates of the family vibrionaceae. all of the ... | 2006 | 16517878 |
| global assessment of the antimicrobial activity of polymyxin b against 54 731 clinical isolates of gram-negative bacilli: report from the sentry antimicrobial surveillance programme (2001-2004). | in total, 54 731 gram-negative bacilli isolated worldwide between 2001 and 2004 from diverse sites of infection were tested for susceptibility to polymyxin b by the broth reference microdilution method, with interpretation of results according to clsi (formerly nccls) guidelines. polymyxin b showed excellent potency and spectrum against 8705 pseudomonas aeruginosa and 2621 acinetobacter spp. isolates (mic50, < or = 1 mg/l and mic90, 2 mg/l for both pathogens). polymyxin b resistance rates were s ... | 2006 | 16524407 |
| endoscopically guided aerobic cultures in postsurgical patients with chronic rhinosinusitis. | there is considerable amount of debate in the literature regarding the microbial flora of normal, acutely infected, and chronically infected paranasal sinuses. few studies have specifically looked at the microbial flora of healthy and infected sinus cavities after functional endoscopic sinus surgery. | 2006 | 16539298 |
| antimicrobial activity of a novel peptide deformylase inhibitor, lbm415, tested against respiratory tract and cutaneous infection pathogens: a global surveillance report (2003-2004). | to evaluate the spectrum of activity and potency of lbm415, the first of the peptide deformylase inhibitor (pdfi) class to be developed for treatment of community-acquired respiratory tract infections and uncomplicated skin and soft tissue infections (ussti), against a large, contemporary international collection of targeted pathogens collected during 2003-2004. | 2006 | 16549511 |
| central venous catheter and stenotrophomonas maltophilia bacteremia in cancer patients. | stenotrophomonas maltophilia bacteremia is frequently found in cancer patients. this study attempted to determine how often the catheters were the source of this infection and the risk factors associated with catheter-related bacteremias. | 2006 | 16565968 |
| differential biofilm formation and motility associated with lipopolysaccharide/exopolysaccharide-coupled biosynthetic genes in stenotrophomonas maltophilia. | stenotrophomonas maltophilia wr-c is capable of forming biofilm on polystyrene and glass. the lipopolysaccharide/exopolysaccharide-coupled biosynthetic genes rmla, rmlc, and xanb are necessary for biofilm formation and twitching motility. mutants with mutations in rmlac and xanb display contrasting biofilm phenotypes on polystyrene and glass and differ in swimming motility. | 2006 | 16585771 |
| stenotrophomonas maltophilia bacteremia in pediatric patients-- a 10-year analysis. | stenotrophomonas maltophilia bacteremia is an important cause of mortality among immunocompromised children. however, there has been little information concerning s. maltophilia bacteremia in the pediatric population. | 2006 | 16604247 |
| effects of chronic triclosan exposure upon the antimicrobial susceptibility of 40 ex-situ environmental and human isolates. | triclosan (tcs) exposure of escherichia coli selects for tolerant clones, mutated in their enoyl-acyl carrier protein reductase (fabi). it has been inferred that this phenomenon is widespread amongst bacterial genera and might be associated with resistance to third party agents. | 2006 | 16630014 |
| enzymatic c-4 deacetylation of 10-deacetylbaccatin iii. | second-generation paclitaxel analogues that require replacement of the c-4 acetate by other substituents are in development. an enzyme able to specifically remove the c-4 acetate from paclitaxel could simplify preparation of the analogues. several strains were isolated from soil samples that contain enzyme activities able to 4-deacetylate 10-dab (10-deacetylbaccatin iii). selection was made using plates containing 10-dab as the sole carbon source and screening colonies for deacetylation of 10-da ... | 2006 | 16722823 |
| site-selective binding of zn(ii) to metallo-beta-lactamase l1 from stenotrophomonas maltophilia. | extended x-ray absorption fine structure studies of the metallo-beta-lactamase l1 from stenotrophomonas maltophilia containing 1 and 2 equiv of zn(ii) and containing 2 equiv of zn(ii) plus hydrolyzed nitrocefin are presented. the data indicate that the first, catalytically dominant metal ion is bound by l1 at the consensus zn1 site. the data further suggest that binding of the first metal helps preorganize the ligands for binding of the second metal ion. the di-zn enzyme displays a well-defined ... | 2006 | 16489411 |
| potentially multidrug-resistant non-fermentative gram-negative pathogens causing nosocomial pneumonia. | owing to its high morbidity and mortality, nosocomial pneumonia represents a particularly serious illness and one of the most frequent complications in ventilated patients admitted to the intensive care unit. gram-negative microorganisms, such as pseudomonas aeruginosa, acinetobacter baumannii and stenotrophomonas maltophilia, are the most relevant pathogens responsible for particularly difficult-to-treat nosocomial pneumonia. the intrinsic resistance of these bacteria to many antimicrobial agen ... | 2006 | 16472990 |
| plasmid-mediated high-level gentamicin resistance among enteric bacteria isolated from pet turtles in louisiana. | the sale of small turtles is banned by the food and drug administration from the u.s. market due to concerns about their excretion of salmonella spp. to produce a safe pet for the export market, the louisiana pet turtle industry uses gentamicin sulfate baths (1,000 microg/ml) to eradicate salmonella spp. from turtle eggs. in 1999, we analyzed bacterial samples recovered from turtle farms and found that strains of salmonella enterica subsp. arizonae and other bacteria, such as enterobacter cloaca ... | 2006 | 16391058 |
| stenotrophomonas koreensis sp. nov., isolated from compost in south korea. | a gram-negative, rod-shaped, non-spore-forming bacterium (tr6-01t) was isolated from compost near daejeon city in south korea. on the basis of 16s rrna gene sequence similarity, strain tr6-01t was shown to belong to the class gammaproteobacteria, related to stenotrophomonas acidaminiphila (97.1 %) and stenotrophomonas maltophilia (96.9 %); the phylogenetic distance from any other established species within the genus stenotrophomonas was less than 97.0 %. phenotypic and chemotaxonomic data (major ... | 2006 | 16403870 |
| treatment of cork boiling wastewater using chemical oxidation and biodegradation. | three cultures were enriched from cork boiling wastewater using tannic acid as the selective carbon substrate, at 25 degrees c and ph 7.2, 25 degrees c and ph 4.7 and 50 degrees c and ph 4.7. the enrichment culture obtained at neutral ph was composed of five culturable isolates, whereas from each acidic enrichment two bacterial strains were isolated. mesophilic isolates were gram negative bacteria belonging to the genera klebsiella, pseudomonas, stenotrophomonas and burkholderia. thermophilic is ... | 2006 | 16414098 |
| in vitro bactericidal activity of human beta-defensin 3 against multidrug-resistant nosocomial strains. | the antimicrobial activity of human beta-defensin 3 (hbd-3) against multidrug-resistant clinical isolates of staphylococcus aureus, enterococcus faecium, pseudomonas aeruginosa, stenotrophomonas maltophilia, and acinetobacter baumannii was evaluated. a fast bactericidal effect (within 20 min) against all bacterial strains tested was observed. the presence of 20% human serum abolished the bactericidal activity of hbd-3 against gram-negative strains and reduced the activity of the peptide against ... | 2006 | 16436752 |
| microbial hydroxylation of imidacloprid for the synthesis of highly insecticidal olefin imidacloprid. | microorganisms that bring about the aerobic transformation of imidacloprid (imi) were isolated and screened, and the microbial regio- and stereoselective hydroxylation of imi was studied. some bacteria and fungi transformed imi to 5-hydroxyl imi. bacterium stenotrophomonas maltophilia cgmcc 1.1788 resting cells transformed imi into r-5-hydroxyl imi at the highest conversion rate. the enzyme catalyzed the stereoselective hydroxylation at position c12 of imi in the imidazolidine ring. under acidic ... | 2006 | 16307271 |
| septicaemia secondary to infection by corynebacterium macginleyi in an indian python (python molurus). | a seven-year-old female indian python (python molurus) weighing about 35kg was euthanased after several clinical episodes of stomatitis, pneumonia, ophthalmitis and dystocia over a period of four years. the animal had been maintained in a terrarium in a circus truck at an adequate temperature. during shows, however, the snake was considered to be exposed to stressful conditions for several hours at a time at low temperatures and with noise and bright lights. a post-mortem examination indicated u ... | 2006 | 15996494 |
| correlation between the genetic diversity of nosocomial pathogens and their survival time in intensive care units. | bacteria differ in their ability to survive in the hospital environment outside the human host. species remaining viable and infectious have a higher chance of being transmitted, giving them a fitness advantage in hospitals. this differential fitness could be expected to alter the genetic population structure of bacterial populations in hospitals, and should be reflected by the relative abundance of several successful clones. the objective of this study was to test for a potential correlation be ... | 2006 | 16290317 |
| purification and characterization of the glucoside 3-dehydrogenase produced by a newly isolated stenotrophomonas maltrophilia cctcc m 204024. | a soluble glucoside 3-dehydrogenase (g3dh) from stenotrophomonas maltrophilia cctcc m 204024, recently isolated from wheat soil in our laboratory, was purified to 37.4-fold with a yield of 24.7% and was estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis with a molecular mass of 66 kda. 2,6-dichlorophenolindophenol (dcpip) and ferricyanide were able to act as artificial electron acceptors for the enzyme. the optimal ph of g3dh was in the range of 6.0-7.0 in the presence of dcp ... | 2006 | 16292530 |
| bacteria isolated from the different developmental stages and larval organs of the obligate parasitic fly, wohlfahrtia magnifica (diptera: sarcophagidae). | wohlfahrtia magnifica (diptera: sarcophagidae) is the major myiasis-causing fly species in the whole of eurasia for most important domestic animals. the aim of the present work was to obtain data on the culturable bacteria isolated under aerobic conditions from this fly: bacteria were isolated from all developmental stages (larvae, pupa, and imago) of wohlfahrtia magnifica, and the third-stage larval organs were also sampled. to determine the possible antagonistic effects between the dominant ba ... | 2006 | 16382282 |
| identification of respiratory isolates of stenotrophomonas maltophilia by commercial biochemical systems and species-specific pcr. | one hundred strains of stenotrophomonas maltophilia isolates from respiratory specimens were biochemically identified using the api 20ne strip and the vitek2 id-gnb card. the identification was confirmed by a species-specific pcr using two primers specific for the 23s rrna gene. the api 20ne showed only 1 strain with "low discrimination" whereas the vitek2 gave 12. in any case, the two biochemical systems showed good reliability compared to ss-pcr. | 2006 | 15927289 |
| [investigation of the structure of biofilms formed by sulfur cycle bacteria on metal matrices]. | the structure of biofilm formed by thiobacillus thioparus, stenotrophomonas maltophilia on the metal matrix was investigated. use of electron microscope-microanalysis showed that these bacteria can form biofilms 34-94 microm thick on metal different in their structure and elemental sulfur composition. a biofilm formed by mixed culture of thiobacillus thioparus and stenotrophomonas maltophilia had a developed interior structure and biofilm porosity. the use of the confocal laser scanning microsco ... | 2006 | 17388123 |
| a comprehensive species to strain taxonomic framework for xanthomonas. | abstract a comprehensive classification framework was developed that refines the current xanthomonas classification scheme and provides a detailed assessment of xanthomonas diversity at the species, subspecies, pathovar, and subpathovar levels. polymerase chain reaction (pcr) using primers targeting the conserved repetitive sequences box, enterobacterial repetitive intergenic consensus (eric), and repetitive extragenic palindromic (rep) (rep-pcr) was used to generate genomic fingerprints of 339 ... | 2005 | 18943308 |
| impact of initial antimicrobial therapy in patients with bloodstream infections caused by stenotrophomonas maltophilia. | 2005 | 16127088 | |
| bloodstream infection after umbilical cord blood transplantation using reduced-intensity stem cell transplantation for adult patients. | bloodstream infection (bsi) is a significant problem after cord blood transplantation (cbt). however, little information has been reported on bsi after reduced-intensity cbt (ri-cbt). we retrospectively reviewed the medical records of 102 patients. the median age of the patients was 55 years (range, 17-79 years). preparative regimens comprised fludarabine 125 to 150 mg/m 2 , melphalan 80 to 140 mg/m 2 , or busulfan 8 mg/kg and total body irradiation 2 to 8 gy. prophylaxis against graft-versus-ho ... | 2005 | 15931631 |
| a new method for production of valienamine with microbial degradation of acarbose. | a new method for the production of valienamine with the microbial degradation of acarbose is described. the microorganism was screened by our laboratory and identified as stenotrophomonas maltrophilia. after separation, valienamine was analyzed with uv, ir, and 1h and 13c nmr. the yield was more than 60%. | 2005 | 15932287 |
| antibacterial activity of zuccagnia punctata cav. ethanolic extracts. | the present study was conducted to investigate antibacterial activity of zuccagnia punctata ethanolic extract against 47 strains of antibiotic-resistant gram-negative bacteria and to identify bioactive compounds. inhibition of bacterial growth was investigated using agar diffusion, agar macrodilution, broth microdilution and bioautographic methods. zuccagnia punctata extract was active against all assayed bacteria (escherichia coli, klebsiella pneumoniae, proteus mirabilis, enterobacter cloacae, ... | 2005 | 16137849 |
| hospital-acquired pneumonia in critically ill patients: factors associated with episodes due to imipenem-resistant organisms. | inadequate initial antimicrobial therapy represents one of the factors associated with mortality of patients suffering from hospital-acquired pneumonia. according to its wide antimicrobial spectrum, imipenem belongs to the usual antibiotics proposed by current guidelines for such a therapy. however, major changes in the antibiotic susceptibility patterns of bacteria in the intensive care unit (icu) have occurred. our goal was to determine the incidence of hospital-acquired pneumonia (hap) due to ... | 2005 | 15940413 |
| endophytic bacteria in coffea arabica l. | eighty-seven culturable endophytic bacterial isolates in 19 genera were obtained from coffee plants collected in colombia (n = 67), hawaii (n = 17), and mexico (n = 3). both gram positive and gram negative bacteria were isolated, with a greater percentage (68%) being gram negative. tissues yielding bacterial endophytes included adult plant leaves, various parts of the berry (e.g., crown, pulp, peduncle and seed), and leaves, stems, and roots of seedlings. some of the bacteria also occurred as ep ... | 2005 | 16187260 |
| antibiotic susceptibility of stenotrophomonas maltophilia in the presence of lactoferrin. | 2005 | 16189141 | |
| stenotrophomonas maltophilia keratitis and scleritis. | stenotrophomonas maltophilia is a seldom-reported pathogen in ocular infections. the report describes six cases of stenotrophomonas maltophilia (s. maltophilia) keratitis and scleritis. to our knowledge, this is the foremost report of s. maltophilia scleritis. | 2005 | 15945320 |
| acute upper airway obstruction caused by stenotrophomonas maltophilia soft tissue infection. | a previously healthy 71-y-old male developed acute upper airway obstruction caused by a stenotrophomonas maltophilia infection of the mucocutaneous and soft tissue of the neck. ventilator support was provided via a small-calibre endotracheal tube. stenotrophomonas was susceptible only to levofloxacin and cotrimoxazole. antibiotic therapy rapidly improved the soft tissue oedema, allowing extubation and discharge from the intensive care unit. | 2005 | 16191891 |
| a 55-year-old smoker with a persistent right lower lobe infiltrate. | 2005 | 15947347 | |
| stenotrophomonas maltophilia: antimicrobial resistance and molecular typing of an emerging pathogen in a turkish university hospital. | despite its limited pathogenicity, stenotrophomonas maltophilia is an emerging nosocomial pathogen. this study investigated the isolation frequency, antimicrobial resistance and genotypic relationships of 205 s. maltophilia isolates from 188 patients in a university hospital between 1998 and 2003. susceptibility profiles for 11 antimicrobial agents were determined by the nccls agar dilution method for non-fermentative bacteria, while enterobacterial repetitive intergenic consensus sequence (eric ... | 2005 | 16216102 |
| rhizosphere-induced selenium precipitation for possible applications in phytoremediation of se polluted effluents. | two bacterial isolates were obtained in axenic culture from the rhizosphere soil of astragalus bisulcatus, a legume able to hyperaccumulate selenium. both strains resulted of particular interest for their high resistance to the toxic oxyanion seo3(2-) (selenite, se(iv)). on the basis of molecular and biochemical analyses, these two isolates were attributed to the species bacillus mycoides and stenotrophomonas maltophilia, respectively. their capability in axenic culture to precipitate the solubl ... | 2005 | 15948605 |
| antimicrobial activity of a series of 1-alkyl-2-(4-pyridyl)pyridinium bromides against gram-positive and gram-negative bacteria. | to test a series of 1-alkyl-2-(4-pyridyl)pyridinium bromides with alkyl chains containing between 9 and 16 carbons against gram-positive (staphylococcus aureus) and gram-negative (escherichia coli, stenotrophomonas maltophilia, acinetobacter baumannii and pseudomonas aeruginosa) bacteria. | 2005 | 16220008 |
| [study on the molecular epidemiology of stenotrophomonas maltophilia infection in patients on mechanical ventilation]. | to investigate a potential outbreak of stenotrophomonas maltophilia (pma) infection occurred in patients on mechanical ventilation in a respiratory icu (ricu) and to track the infective origins by antibiotype and pulsed-field gel electrophoresis (pfge) typing methods. | 2005 | 15949310 |
| disease risk and mortality prediction in intensive care patients with pneumonia. australian and new zealand practice in intensive care (anzpic ii). | this study of ventilated patients investigated pneumonia risk factors and outcome predictors in 476 episodes of pneumonia (48% community-acquired pneumonia, 24% hospital-acquired pneumonia, 28% ventilator-associated pneumonia) using a prospective survey in 14 intensive care units within australia and new zealand. for community acquired pneumonia, mortality increased with immunosuppression (or 5.32, ci 95% 1.58-1799, p<0.01), clinical signs of consolidation (or 2.43, ci 95% 1.09-5.44, p=0.03) and ... | 2005 | 15957699 |
| antifolate activity of epigallocatechin gallate against stenotrophomonas maltophilia. | the catechin epigallocatechin gallate, one of the main constituents of green tea, showed strong antibiotic activity against 18 isolates of stenotrophomonas maltophilia (mic range, 4 to 256 microg/ml). in elucidating its mechanism of action, we have shown that epigallocatechin gallate is an efficient inhibitor of s. maltophilia dihydrofolate reductase, a strategic enzyme that is considered an attractive target for the development of antibacterial agents. the inhibition of s. maltophilia dihydrofo ... | 2005 | 15980368 |
| antimicrobial peptide therapeutics for cystic fibrosis. | greater than 90% of lung infections in cystic fibrosis (cf) patients are caused by pseudomonas aeruginosa, and the majority of these patients subsequently die from lung damage. current therapies are either targeted at reducing obstruction, reducing inflammation, or reducing infection. to identify potential therapeutic agents for the cf lung, 150 antimicrobial peptides consisting of three distinct structural classes were screened against mucoid and multidrug-resistant clinical isolates of p. aeru ... | 2005 | 15980369 |
| stenotrophomonas maltophilia keratitis after penetrating keratoplasty. | 2005 | 15761487 | |
| changing bacterial isolates and antibiotic sensitivities of purulent dacryocystitis. | to examine the current spectrum of bacterial isolates in cases of chronic dacryocystitis and dacryoabcess and to determine their antibiotic sensitivities. | 2005 | 15764113 |
| pdgf alpha-receptor signal strength controls an rtk rheostat that integrates phosphoinositol 3'-kinase and phospholipase cgamma pathways during oligodendrocyte maturation. | receptors with tyrosine kinase activity (rtks) control tissue growth and development in metazoans. how they generate cell-specific responses remains essentially unknown; one model proposes that distinct rtks activate different second-messenger pathways, whereas a second proposes that all rtks deliver a generic "go" signal to these pathways that is uniquely interpreted by downstream, cell-specific response competence factors. we examine pathway activation and pathway-specific responses downstream ... | 2005 | 15814780 |
| stenotrophomonas maltophilia in salad. | 2005 | 16032800 | |
| phosphate removal from the returned liquor of municipal wastewater treatment plant using iron-reducing bacteria. | the application of iron-reducing bacteria (irb) to phosphate removal from returned liquor (liquid fraction after activated sludge digestion and anaerobic sludge dewatering) of municipal wastewater treatment plant (wwtp) was studied. | 2005 | 15836485 |
| trimethoprim-sulfamethoxazole in the treatment of stenotrophomonas maltophilia osteomyelitis. | 2005 | 15844086 | |
| rapid detection and identification of pathogens in blood cultures by fluorescence in situ hybridization and flow cytometry. | septicemia is one of the leading causes of death in hospitalized patients. the timely detection and identification of microorganisms from the patient's blood has great diagnostic, prognostic and economic significance. fluorescence in situ hybridization (fish) with rrna-targeted oligonucleotide probes has been proven to be a fast method for the identification of human pathogenic bacteria and yeasts. data presented herein reveal that the combination of fish and flow cytometry (fc-fish) is a rapid ... | 2005 | 15861816 |