Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| functional consortium for denitrifying sulfide removal process. | denitrifying sulfide removal (dsr) process simultaneously converts sulfide, nitrate, and chemical oxygen demand from industrial wastewaters to elemental sulfur, nitrogen gas, and carbon dioxide, respectively. this investigation utilizes a dilution-to-extinction approach at 10(-2) to 10(-6) dilutions to elucidate the correlation between the composition of the microbial community and the dsr performance. in the original suspension and in 10(-2) dilution, the strains stenotrophomonas sp., thauera s ... | 2010 | 19956940 |
| colistin therapy for microbiologically documented multidrug-resistant gram-negative bacterial infections: a retrospective cohort study of 258 patients. | it is unclear whether the effectiveness of polymyxins depends on the site of infection, the responsible pathogen, dosage, and monotherapy vs. combination therapy. we investigated colistin therapy in a large, retrospective, single-centre, cohort study. primary analysis outcomes were infection outcome, survival and nephrotoxicity. over a 7-year period (october 2000 to october 2007), 258 patients received intravenous (i.v.) colistin for at least 72h for microbiologically documented multidrug-resist ... | 2010 | 20006471 |
| chronic mycobacterium abscessus infection and lung function decline in cystic fibrosis. | although nontuberculous mycobacteria (ntm) are recognized pathogens in cystic fibrosis (cf), associations with clinical outcomes remain unclear. | 2010 | 20071249 |
| novel variants of the smqnr family of quinolone resistance genes in clinical isolates of stenotrophomonas maltophilia. | recent analysis of stenotrophomonas maltophilia has identified a novel family of resistance genes (smqnr) encoding pentapeptide repeat proteins, which confer low-level resistance to quinolones. this study describes further novel variants present in clinical isolates of s. maltophilia and investigates their effect on resistance to a number of quinolones in an escherichia coli host. | 2010 | 20071366 |
| efficacy of copper-silver ionization in controlling biofilm- and plankton-associated waterborne pathogens. | the study was to determine the efficacy of copper-silver ionization against the formation of pseudomonas aeruginosa, stenotrophomonas maltophilia, and acinetobacter baumannii in biofilms and planktonic phases. at concentrations below the epa limits, ionization has potential to control the three waterborne pathogens, in addition to legionella, in hospital water systems for nosocomial infection control. | 2010 | 20080997 |
| phylogenetic diversity of alkaline protease-producing psychrotrophic bacteria from glacier and cold environments of lahaul and spiti, india. | the diversity of proteolytic bacteria associated with a glacier and cold environment soils from three different locations in lahaul and spiti, india was investigated. two hundred seventeen bacterial strains were isolated in pure culture. subsequently these strains were screened for protease-production and one hundred nine showed protease production. from these protease producing psychrotrophic bacteria twenty showing high enzyme production at low temperature and alkaline ph were characterized an ... | 2010 | 20082368 |
| epidemiology of bloodstream infections in patients with haematological malignancies with and without neutropenia. | all bacterial isolates from 7058 patients admitted to haemato-oncology wards at national taiwan university hospital between 2002 and 2006 were characterized. in total 1307 non-duplicate bloodstream isolates were made from all patients with haematological malignancy; 853 (65%) of these were from neutropenic patients. gram-negative bacteria predominated (60%) in neutropenic isolates with escherichia coli (12%), klebsiella pneumoniae (10%), acinetobacter calcoaceticus-baumannii complex (6%), and st ... | 2010 | 19941686 |
| clinical and histopathologic examination of ulcerating vocal fold lesions in an immunosuppressed patient. | we present the unique opportunity to correlate videostroboscopic findings with histologic examination. an immunocompromised patient with hoarseness because of ulcerative lesions of both vocal folds of uncertain cause died within a few weeks of initial presentation, and the larynx was donated for postmortem examination. relevant history, as well as endoscopic and histopathologic findings, is presented. | 2010 | 19944907 |
| polymorphic mutation frequencies of clinical and environmental stenotrophomonas maltophilia populations. | mutation frequencies were studied in 174 stenotrophomonas maltophilia isolates from clinical and nonclinical environments by detecting spontaneous rifampin-resistant mutants in otherwise-susceptible populations. the distribution of mutation frequencies followed a pattern similar to that found for other bacterial species, with a modal value of 1 x 10(-8). nevertheless, the proportion of isolates showing mutation frequencies below the modal value (hypomutators) was significantly higher for s. malt ... | 2010 | 20097818 |
| colistin administration to pediatric and neonatal patients. | emergence of multidrug-resistant gram-negative nosocomial pathogens has led to resurgence of colistin use. safety and efficacy data regarding colistin use in pediatric patients are sparse, while optimal dosage has not been defined. we present a case series of neonates and children without cystic fibrosis treated with various doses of colistin intravenously. the records of patients who received colistin in a tertiary-care hospital from january 2007 to march 2009 were reviewed. thirteen patients ( ... | 2010 | 20119725 |
| histamine, cadaverine, and putrescine produced in vitro by enterobacteriaceae and pseudomonadaceae isolated from spinach. | a total of 364 bacterial isolates, obtained from spinach leaves, were assayed in a decarboxylase broth containing histidine, lysine, and ornithine to check their ability to produce biogenic amines, and then quantified by high-performance liquid chromatography. among these isolates, 240 formed cadaverine, 208 formed putrescine, and 196 formed histamine, in widely varying amounts. they frequently produced more than one biogenic amine. klebsiella pneumoniae subsp. pneumoniae and morganella morganii ... | 2010 | 20132689 |
| molecular analysis of bacterial population structure and dynamics during cold storage of untreated and treated milk. | spoilage bacteria in milk are controlled by treatments such as thermization, microfiltration and addition of carbon dioxide. however, little information is known about the changes in microbial communities during subsequent cold storage of treated milk. culture-dependent methods and a direct molecular approach combining 16s rrna gene clone libraries and quantitative pcr (q-pcr) were applied to obtain a better overview of the structure and the dynamics of milk microbiota. raw milk samples were tre ... | 2010 | 20137820 |
| cyclobutanone analogues of beta-lactams revisited: insights into conformational requirements for inhibition of serine- and metallo-beta-lactamases. | the most important mode of bacterial resistance to beta-lactam antibiotics is the expression of beta-lactamases. new cyclobutanone analogues of penams and penems have been prepared and evaluated for inhibition of class a, b, c, and d beta-lactamases. inhibitors which favor conformations in which the c4 carboxylate is equatorial were found to be more potent than those in which the carboxylate is axial, and molecular modeling studies with enzyme-inhibitor complexes indicate that an equatorial orie ... | 2010 | 20141132 |
| biotransformation of thianicotinyl neonicotinoid insecticides: diverse molecular substituents response to metabolism by bacterium stenotrophomonas maltophilia cgmcc 1.1788. | the carbon atom that neighbors the tertiary amine attached to the 6-chloro-3-pyridinylmethyl moiety is the key active site in the hydroxylation of the neonicotinoids imidacloprid and thiacloprid as well as in the demethylation of acetamiprid by stenotrophomonas maltophilia cgmcc 1.1788. in this study, thianicotinyl neonicotinoid insecticides having diverse molecular substituents were biotransformed by s. maltophilia cgmcc 1.1788. the results indicated that the substitution of 6-chloropyridyl in ... | 2010 | 20149644 |
| molecular identification by 16s rdna sequencing using excised corneal tissues: a useful diagnostic tool for refractory keratitis. | 2010 | 20151286 | |
| characterization of two diesel fuel degrading microbial consortia enriched from a non acclimated, complex source of microorganisms. | the bioremediation of soils impacted by diesel fuels is very often limited by the lack of indigenous microflora with the required broad substrate specificity. in such cases, the soil inoculation with cultures with the desired catabolic capabilities (bioaugmentation) is an essential option. the use of consortia of microorganisms obtained from rich sources of microbes (e.g., sludges, composts, manure) via enrichment (i.e., serial growth transfers) on the polluting hydrocarbons would provide biorem ... | 2010 | 20158909 |
| treatment of stenotrophomonas neonatal urinary tract infection with instillation of ciprofloxacin. | 2010 | 20165887 | |
| risk factors for mortality among patients with stenotrophomonas maltophilia bacteremia in tokyo, japan, 1996-2009. | stenotrophomonas maltophilia is an important nosocomial pathogen, especially among immunocompromised patients. the objective of this study was to clarify the clinical characteristics, prognosis, and prognostic factors of patients with s. maltophilia bacteremia in japan. the microbiology records of all patients with s. maltophilia bacteremia between january 1996 and april 2009 at toranomon hospital, tokyo, japan, were retrospectively reviewed. a total of 53 cases of bacteremia were identified. th ... | 2010 | 20177726 |
| isolation of a methyl parathion-degrading strain stenotrophomonas sp. smsp-1 and cloning of the ophc2 gene. | a rod-shaped, gram-negative bacterium stenotrophomonas sp. smsp-1 was isolated from the sludge of a wastewater treating system of a pesticide manufacturer. strain smsp-1 could hydrolyze methyl parathion to p-nitrophenol (pnp) and dimethyl phosphorothioate but could not degrade pnp further. strain smsp-1 was able to hydrolyze other organophosphate pesticides, including fenitrothion, ethyl parathion, fenthion, and phoxim, but not chlorpyrifos. a 4395-bp dna fragment, including an organophosphorus ... | 2010 | 20182770 |
| level of chemical and microbiological contaminations in chili bo (paste). | the objective of this study was to determine the level of preservatives and microbiological loads in various brands of commercially available chili bo (paste). fifteen different brands of chili bo obtained from the local market and hypermarkets were analyzed for ph, moisture and benzoic acid content, microbiological loads (aerobic, anaerobic, aerobic spores, and fungi), and thermophilic microorganisms. results showed that both moisture content and ph vary among samples. the concentrations of ben ... | 2010 | 20202342 |
| reductive degradation of pyrazine-2-carboxylate by a newly isolated stenotrophomonas sp. hcu1. | a bacterium growing on pyrazine-2-carboxylate broth was isolated, purified and identified as a strain of stenotrophomonas sp. based on polyphasic taxonomic analyses and designated as strain hcu1. 16s rrna gene sequence of strain hcu1 showed 98.7% sequence similarity with the type strain of stenotrophomonas maltophilia belonging to gammaproteobacteria. growth of strain hcu1 was demonstrated when pyrazine-2-carboxylate was used as a sole source of nitrogen. ring reduction of pyrazine-2-carboxylate ... | 2010 | 20217461 |
| [microbial population of lower respiratory tract in children from different age groups with cystic fibrosis]. | to study microflora of lower respiratory tract of children from different age groups with cystic fibrosis during follow-up for determination of its variability and possible sources of infectious complications. | 2010 | 20218338 |
| stenotrophomonas panacihumi sp. nov., isolated from soil of a ginseng field. | the study isolated a gram-negative, rod-shaped, non-motile bacterium from the soil of a ginseng field in daejeon, south korea and characterized it to determine its taxonomic position. phylogenetic analysis, based on the 16s rrna gene sequence, revealed that strain mk06(t) belongs to the family xanthomonadacea, and showed the highest degree of sequence similarity to stenotrophomonas rhizophila e-p10(t) (98.6%), xanthomonas campestris lmg 568t (98.0%), stenotrophomonas maltophilia atcc 1d3637(t) ( ... | 2010 | 20221726 |
| changes in cystic fibrosis sputum microbiology in the united states between 1995 and 2008. | the study objective was to identify changes in cystic fibrosis (cf) sputum microbiology over 13 years. | 2010 | 20232473 |
| clinical characteristics of nosocomial infections in neonatal intensive care unit in eastern china. | a retrospective cohort study on nosocomial infections (ni) in the neonatal intensive care unit (nicu) was performed in the children's hospital of zhejiang university, hangzhou district, china. the most common infection site was pneumonia and bloodstream infection. low admission age, long nicu stay, and mechanical ventilation were significant risk factors for ni. klebsiella pneumoniae was the most common pathogen, followed by acinetobacter baumannii, staphylococcus epidermidi, pseudomonas aerugin ... | 2010 | 20297900 |
| role of excessive inflammatory response to stenotrophomonas maltophilia lung infection in dba/2 mice and implications for cystic fibrosis. | stenotrophomonas maltophilia is a pathogen that causes infections mainly in immunocompromised patients. despite increased s. maltophilia isolation from respiratory specimens of patients with cystic fibrosis (cf), the real contribution of the microorganism to cf pathogenesis still needs to be clarified. the aim of the present study was to evaluate the pathogenic role of s. maltophilia in cf patients by using a model of acute respiratory infection in dba/2 mice following a single exposure to aeros ... | 2010 | 20308302 |
| microbial contamination of suction tubes attached to suction instruments and preventive methods. | we investigated the microbial contamination of suction tubes attached to wall-type suction instruments. microbial contamination of suction tubes used for endoscopy or sputum suction in hospital wards was examined before and after their disinfection. in addition, disinfection and washing methods for suction tubes were evaluated. suction tubes (n=33) before disinfection were contaminated with 10(2)-10(8) colony-forming units (cfu)/tube. the main contaminants were pseudomonas aeruginosa, acinetobac ... | 2010 | 20332576 |
| antibiotic resistance of stenotrophomonas maltophilia strains isolated from captive snakes. | the minimum inhibitory concentrations (mics) of 24 antibiotics were determined for 45 stenotrophomonas maltophilia strains by the microdilution method at 37 and 30 degrees c (after 24 h and 48 h of incubation). the isolates were obtained from mouth swabs and pus of 116 captive snakes whereas the identical strains (based on pfge) of the same origin were discarded. at 37 degrees c, the isolates showed a low frequency of resistance to levofloxacin (0 and 8.9 % of resistant strains after 24 and 48 h ... | 2010 | 20336510 |
| identification of growth inhibition phenotypes induced by expression of bacterial type iii effectors in yeast. | many gram-negative pathogenic bacteria use a type iii secretion system to translocate a suite of effector proteins into the cytosol of host cells. within the cell, type iii effectors subvert host cellular processes to suppress immune responses and promote pathogen growth. numerous type iii effectors of plant and animal bacterial pathogens have been identified to date, yet only a few of them are well characterized. understanding the functions of these effectors has been undermined by a combinatio ... | 2010 | 20354502 |
| complex bacterial infections pre- and posttransplant. | infections complications following lung transplantation are associated with significant morbidity and mortality. management of infections is most challenging in patients with cystic fibrosis (cf), but all lung transplant recipients are at heightened risk for opportunistic infections. particularly in cf, pretransplant infections with pseudomonas aeruginosa, other highly resistant bacteria (e.g., stenotrophomonas, burkholderia), and mycobacteria play a major role in recipient selection and post-lu ... | 2010 | 20354935 |
| antimicrobial susceptibilities of a worldwide collection of stenotrophomonas maltophilia isolates tested against tigecycline and agents commonly used for s. maltophilia infections. | antimicrobial susceptibilities were determined for 1,586 isolates of stenotrophomonas maltophilia from globally diverse medical centers using the clinical laboratory standards institute broth microdilution method. the combination trimethoprim-sulfamethoxazole (96.0% of isolates susceptible at < or =2 microg/ml trimethoprim and 38 microg/ml sulfamethoxazole) and tigecycline (95.5% of isolates sussceptible at < or =2 microg/ml) were the only antimicrobials tested with >94% susceptibility in all re ... | 2010 | 20368399 |
| stenotrophomonas maltophilia: a very rare cause of tropical pyomyositis. | pyomyositis is a purulent infection of skeletal muscles that arise from hematogenous spread associated with abscess formation. most often caused by staphylococcus aureus in more than 90-95% of cases but other rare organisms can cause this infection. herein we report a rare case of strenotrophomonas maltophilia as a cause of pyomyositis which is a rare occurrence, especially in immunocompetent adults. strenotrophomonas is a multidrug-resistant aerobic non-fermentative, non-sporulating, gram-negat ... | 2010 | 20374391 |
| adhesion to and biofilm formation on ib3-1 bronchial cells by stenotrophomonas maltophilia isolates from cystic fibrosis patients. | stenotrophomonas maltophilia has recently gained considerable attention as an important emerging pathogen in cystic fibrosis (cf) patients. however, the role of this microorganism in the pathophysiology of cf lung disease remains largely unexplored. in the present study for the first time we assessed the ability of s. maltophilia cf isolates to adhere to and form biofilm in experimental infection experiments using the cf-derived bronchial epithelial ib3-1cell line. the role of flagella on the ad ... | 2010 | 20374629 |
| huanglongbing, a systemic disease, restructures the bacterial community associated with citrus roots. | to examine the effect of pathogens on the diversity and structure of plant-associated bacterial communities, we carried out a molecular analysis using citrus and huanglongbing as a host-disease model. 16s rrna gene clone library analysis of citrus roots revealed shifts in microbial diversity in response to pathogen infection. the clone library of the uninfected root samples has a majority of phylotypes showing similarity to well-known plant growth-promoting bacteria, including caulobacter, burkh ... | 2010 | 20382817 |
| ampn-ampg operon is essential for expression of l1 and l2 beta-lactamases in stenotrophomonas maltophilia. | ampg is an inner membrane permease which transports products of murein sacculus degradation from the periplasm into the cytosol in gram-negative bacteria. this process is linked to induction of the chromosomal ampc beta-lactamase gene in some members of the enterobacteriaceae and in pseudomonas aeruginosa. in this study, the ampg homologue of stenotrophomonas maltophilia kj was analyzed. the ampg homologue and its upstream ampn gene form an operon and are cotranscribed under the control of the p ... | 2010 | 20385866 |
| [complete nucleotide sequence of a plasmid pvae259 from vibrio alginolyticus and analysis of molecular biological characteristic of the plasmid]. | to obtain the complete nucleotide sequence of the plasmid pvae259 from vibrio alginolyticus, to analyze molecular characteristic of the plasmid, and to explore its potential function. | 2010 | 20387457 |
| diagnostic value of pcr analysis of bacteria and fungi from blood in empiric-therapy-resistant febrile neutropenia. | this study aimed to assess the clinical utility of pcr for the analysis of bacteria and fungi from blood for the management of febrile neutropenic patients with hematologic malignancies. using a pcr system able to detect a broad range of bacteria and fungi, we conducted a prospective pilot study of periodic analyses of blood from patients following intensive chemotherapy. when fever occurred, it was treated with empirical antibiotic therapy, basically without knowledge of the pcr results. in 23 ... | 2010 | 20392911 |
| introduction of an ampr-l2 intergenic segment attenuates the induced beta-lactamase activity of stenotrophomonas maltophilia. | expression of the l1 and l2 beta-lactamase genes is generally regulated by a lysr type regulator of the ampr in stenotrophomonas maltophilia. the ampr gene is located immediately upstream of l2 and is transcribed divergently, forming an ampr-l2 module. the ampr-l2 modules of 16 s. maltophilia isolates were analyzed, revealing that the ampr-l2 intergenic (ig) regions show a significant genetic diversity, whereas ampr proteins are highly conserved. the induction potential of the different ampr tow ... | 2010 | 20397035 |
| cationic compounds with activity against multidrug-resistant bacteria: interest of a new compound compared with two older antiseptics, hexamidine and chlorhexidine. | use of antiseptics and disinfectants is essential in infection control practices in hospital and other healthcare settings. in this study, the in vitro activity of a new promising compound, para-guanidinoethylcalix[4]arene (cx1), has been evaluated in comparison with hexamidine (hx) and chlorhexidine (chx), two older cationic antiseptics. the mics for 69 clinical isolates comprising methicillin-resistant staphylococcus aureus, methicillin-sensitive s. aureus, coagulase-negative staphylococci (co ... | 2010 | 19456831 |
| sterilization of liquid nitrogen with ultraviolet irradiation for safe vitrification of human oocytes or embryos. | to evaluate the efficacy of ultraviolet (uv) irradiation for rapid microbial decontamination of liquid nitrogen (ln2). | 2010 | 19591992 |
| stenotrophomonas maltophilia pacemaker endocarditis in a patient with d-transposition of the great arteries after atrial switch procedure. | we report a case of pacemaker endocarditis due to stenotrophomonas maltophilia in a 22-year-old caucasian man with d-transposition of the great arteries after atrial switch procedure. s.maltophilia isolated from blood cultures was susceptible to trimethoprim-sulfamethoxazole and amikacin, and resistant to ciprofloxacin and all tested β-lactam antibiotics. the infected pacemaker system was completely removed by thoracotomy. simultaneously, a new ddd pacemaker and epicardial electrodes were succes ... | 2010 | 19171390 |
| stenotrophomonas ginsengisoli sp. nov., isolated from a ginseng field. | a gram-negative, non-spore-forming, rod-shaped bacterium, designated strain dcy01(t), was isolated from soil from a ginseng field in south korea and was characterized in order to determine its taxonomic position. 16s rrna gene sequence analysis revealed that strain dcy01(t) belonged to the gammaproteobacteria and was most closely related to stenotrophomonas koreensis kctc 12211(t) (98.4 % similarity), stenotrophomonas humi r-32729(t) (97.2 %), stenotrophomonas terrae r-32768 (97.1 %), stenotroph ... | 2010 | 19684314 |
| accuracy of american thoracic society/infectious diseases society of america criteria in predicting infection or colonization with multidrug-resistant bacteria at intensive-care unit admission. | the aim of this prospective observational study was to determine the accuracy of american thoracic society (ats)/infectious diseases society of america (idsa) criteria in predicting infection or colonization related to multidrug-resistant (mdr) bacteria at intensive-care unit (icu) admission. mdr bacteria were defined as methicillin-resistant staphylococcus aureus, ceftazidime-resistant or imipenem-resistant pseudomonas aeruginosa, acinetobacter baumannii, stenotrophomonas maltophilia, and exten ... | 2010 | 19694760 |
| stenotrophomonas and lysobacter: ubiquitous plant-associated gamma-proteobacteria of developing significance in applied microbiology. | the exploration of new source materials and the use of alternative isolation and identification methods have led to rapid expansion in the knowledge of diversity; in lysobacter, 11 new species having been described since 2005, and in stenotrophomonas with six new species since 2000. the new species of lysobacter, isolated by dilution and direct plating on standard media, differ in several key phenotypic properties from those obtained by enrichment on complex polysaccharides in the original descr ... | 2010 | 19702860 |
| point-of-use water filtration reduces healthcare-associated infections in bone marrow transplant recipients. | outbreaks of infection with gram-negative bacteria (gnb) have been linked to hospital water. we sought to determine whether point-of-use (pou) water filtration might result in decreased risk of infection in hospitalized bone marrow transplant (bmt) recipients in the absence of any recognized outbreak. unfiltered water was sampled from taps in the bmt unit of a major us teaching hospital, and cultured at a reference laboratory. pou bacterial-retentive filters (0.2 mum) were installed throughout t ... | 2010 | 19781018 |
| purification and characterization of 3-ketovalidoxylamine a c-n lyase produced by stenotrophomonas maltrophilia. | a soluble 3-ketovalidoxylamine a c-n lyase from stenotrophomonas maltrophilia was purified to 367.5-fold from the crude enzyme, with a yield of 16.4% by column chromatography on high s iex, methyl hic, high q iex, and sephadex g 100. the molecular mass of the enzyme was estimated to be 34 kda by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and the enzyme was a neutral protein having an isoelectric point value at ph 7.0. the optimal ph of 3-ketovalidoxylamine a c-n lyase was around ... | 2010 | 19795222 |
| stenotrophomonas maltophilia bacteraemia in 40 haematology patients: risk factors, therapy and outcome. | 2010 | 19802036 | |
| in vitro pharmacodynamics of levofloxacin and other aerosolized antibiotics under multiple conditions relevant to chronic pulmonary infection in cystic fibrosis. | the inhalational administration of antibiotics can provide high concentrations locally in the lungs of cystic fibrosis patients and, thus, can be useful for the treatment of chronic bacterial infections. the present study evaluated the in vitro activities of levofloxacin, ciprofloxacin, tobramycin, amikacin, and aztreonam against clinical isolates of pseudomonas aeruginosa, burkholderia cepacia complex, stenotrophomonas maltophilia, alcaligenes xylosoxidans, and staphylococcus aureus from cystic ... | 2010 | 19805554 |
| seasonal variation in detection of bacterial dna in arthritic stifle joints of dogs with cranial cruciate ligament rupture using pcr amplification of the 16s rrna gene. | an underappreciated cause and effect relationship between environmental bacteria and arthritis may exist. previously, we found that stifle arthritis in dogs was associated with the presence of environmental bacteria within synovium. cranial cruciate ligament rupture (cclr) is often associated with stifle arthritis in dogs. we now wished to determine whether seasonal variation in detection of bacterial material may exist in affected dogs, and to also conduct analyses of both synovium and synovial ... | 2010 | 19758772 |
| association of stenotrophomonas maltophilia infection with lower airway disease in the horse: a retrospective case series. | stenotrophomonas maltophilia is being reported with increasing frequency as a human nosocomial pathogen, especially among immuno-compromised patients. to the authors' knowledge, this pathogen has not previously been associated with lower airway disease in the horse. in this paper the clinical findings, laboratory diagnosis and response to treatment of seven cases of respiratory infection with s. maltophilia in horses, presented at three equine referral hospitals in denmark in 2007, are described ... | 2010 | 19758829 |
| subinhibitory concentrations of moxifloxacin decrease adhesion and biofilm formation of stenotrophomonas maltophilia from cystic fibrosis. | stenotrophomonas maltophilia is an emerging nosocomial bacterial pathogen that is currently isolated with increasing frequency from the airways of cystic fibrosis (cf) patients. in this study the effect of subinhibitory concentrations (submics) of moxifloxacin on adhesion, biofilm formation and cell-surface hydrophobicity of two strains of s. maltophilia isolated from cf patients were evaluated. adhesion and biofilm formation assays were carried out on polystyrene and quantified by colony counts ... | 2010 | 19762476 |
| smqnr contributes to intrinsic resistance to quinolones in stenotrophomonas maltophilia. | 2010 | 19841154 | |
| evaluation of the diversilab system for detection of hospital outbreaks of infections by different bacterial species. | many bacterial typing methods are specific for one species only, time-consuming, or poorly reproducible. diversilab (dl; biomérieux) potentially overcomes these limitations. in this study, we evaluated the dl system for the identification of hospital outbreaks of a number bacterial species. appropriately typed clinical isolates were tested with dl. dl typing agreed with pulsed-field gel electrophoresis (pfge) for acinetobacter (n = 26) and stenotrophomonas maltophilia (n = 13) isolates. with two ... | 2010 | 20861340 |
| c-terminal truncation of a metagenome-derived detergent protease for effective expression in e. coli. | recently, a new alkaline protease named hp70 showing highest homology to extracellular serine proteases of stenotrophomonas maltophilia and xanthomonas campestris was found in the course of a metagenome screening for detergent proteases (niehaus et al., submitted for publication). attempts to efficiently express the enzyme in common expression hosts had failed. this study reports on the realization of overexpression in escherichia coli after structural modification of hp70. modelling of hp70 res ... | 2010 | 20869404 |
| [clinical strains isolation and antibiotic susceptibility of stenotrophomonas maltophilia]. | stenotrophomonas maltophilia is an opportunistic gram-negative bacillus which is becoming increasingly recognized as an important nosocomial pathogen especially in debilitated or immune suppressed patients. s. maltophilia is found in a wide variety of environments. it has been isolated from a number of water sources, soil, variety of plants and food sources. s. maltophilia can form biofilm on synthetic materials for temporary or permanent implantation, i.e. central venous catheters, urinary cath ... | 2010 | 20873485 |
| endophthalmitis caused by stenotrophomonas maltophilia. | the authors investigate clinical settings, antibiotic susceptibility and resistance patterns, and visual outcomes associated with endophthalmitis caused by stenotrophomonas maltophilia. | 2010 | 20873692 |
| honeydew honey as a potent antibacterial agent in eradication of multi-drug resistant stenotrophomonas maltophilia isolates from cancer patients. | multi-drug resistance in nosocomial pathogens is a continually evolving and alarming problem in health care units. since ancient times, honey has been used successfully for the treatment of a broad spectrum of infections with no risk of resistance development. this study investigated the antibacterial activity of two natural honeys, namely honeydew and manuka, against 20 nosocomial multi-drug resistant stenotrophomonas maltophilia (s. maltophilia) isolates from cancer patients. an antibiotic sus ... | 2010 | 20882522 |
| stenotrophomonas maltophilia in cystic fibrosis: serologic response and effect on lung disease. | stenotrophomonas maltophilia is one of the more common multidrug-resistant organisms isolated from the respiratory tract of patients with cystic fibrosis (cf), but the effect of chronic s. maltophilia infection on cf lung disease is unknown. | 2010 | 20889901 |
| bacterial stimulation of copper phytoaccumulation by bioaugmentation with rhizosphere bacteria. | copper contaminated areas pose environmental health risk to living organisms. remediation processes are thus required for both crop production and industrial activities. this study employed bioaugmentation with copper resistant bacteria to improve phytoremediation of vineyard soils and copper mining waste contaminated with high copper concentrations. oatmeal plant (avena sativa l.) was used for copper phytoextraction. three copper resistant bacterial isolates from oatmeal rhizosphere (pseudomona ... | 2010 | 20937516 |
| bacterial contamination of stock solutions in storage cases for contact lens, and the disinfectant-resistance of isolates. | to investigate the bacterial contamination of preservative solutions for contact lenses, contact lens cases were swabbed and the swabs were cultured. various bacteria were isolated from 26 of 100 samples (26.0%). by preservative solution, the bacterial presence was low (16.7%) in the 30 samples from cases using renu, which was the most frequently employed solution, and 27.3% in 11 samples from cases using complete, which was the second most frequently employed solution. of 34 strains isolated an ... | 2010 | 20938091 |
| discrepancies between various methods in susceptibility testing and epidemiological analysis of stenotrophomonas maltophilia clinical isolates. | the susceptibility of 25 stenotrophomonas maltophilia (s. maltophilia) clinical isolates to four different antimicrobials (trimethoprim/sulfomethoxazole, piperacillin/tazobactam, ceftazidime, ciprofloxacin) were investigated by disk diffusion, e-test and commercial sensititre and pasco broth microdilution techniques. discrepancies between the results of broth microdilution and the other methods studied were characterized as very major, major and minor errors. using the broth microdilution as the ... | 2010 | 20939265 |
| mimicking disinfection and drying of biofilms in contaminated endoscopes. | the effects of peracetic acid-based (paa) disinfectant with, and without, additional drying on candida albicans, candida parapsilosis, pseudomonas aeruginosa and stenotrophomonas maltophilia, isolated from contaminated flexible endoscopes, in single- and dual-species biofilms were studied. biofilms were prepared in sterile tissue culture polystyrene 96-well microtitre plates and were quantified using the tetrazolium salt (mtt) reduction assay and by counting colony-forming yeasts and bacteria fr ... | 2010 | 20951470 |
| stenotrophomonas maltophilia strains from cystic fibrosis patients: genomic variability and molecular characterization of some virulence determinants. | the genetic relatedness of 52 stenotrophomonas maltophilia strains, collected from various environmental and clinical sources, including cystic fibrosis (cf) patients, as well as the presence and the expression of some virulence-associated genes were studied. pulsed-field gel electrophoresis (pfge) analysis identified 47 profiles and three clusters of isolates with an identical pfge pattern considered to be indistinguishable strains. restriction fragment length polymorphism of the gyrb gene grou ... | 2010 | 20952251 |
| chloramphenicol and rifampin may be the only options against stenotrophomonas maltophilia. a tale of a colonized bladder device in a patient with myelofibrosis. | 2010 | 20956878 | |
| comparative studies on toluene removal and pressure drop in biofilters using different packing materials. | to select the best available packing material for malodorous organic gases such as toluene and benzene, biofilter performance was compared in biofilters employed different packing materials including porous ceramic (celite), jeju scoria (lava), a mixture of granular activated carbon (gac) and celite (gac/celite), and cubic polyurethane foam (pu). a toluene-degrading bacterium, stenotrophomonas maltophilia t3-c, was used as the inoculum. the maximum elimination capacities in the celite, lava, and ... | 2010 | 21047004 |
| [etiology and epidemic characteristics of hospital acquired pneumonia in children]. | to investigate the etiology and epidemic characteristics of hospital acquired pneumonia (hap) in children. | 2010 | 21055271 |
| metallo-beta-lactamase production by pseudomonas otitidis: a species-related trait. | susceptibility to several β-lactams and β-lactamase production was investigated in a collection of 20 strains of pseudomonas otitidis, a new pseudomonas species that has been recently recognized in association with otic infections in humans. all strains appeared to be susceptible to piperacillin, cefotaxime, ceftazidime, and aztreonam, while resistance or decreased susceptibility to carbapenems was occasionally observed. all strains were found to express metallo-β-lactamase (mbl) activity and to ... | 2010 | 21060106 |
| acanthamoeba and stenotrophomonas maltophilia keratitis with fungal keratitis in the contralateral eye. | the purpose of this study is to describe the diagnosis, course, and outcome of a case of acanthamoeba and stenotrophomonas keratitis with a fungal keratitis in the contralateral eye. | 2010 | 21060673 |
| characteristics and consequences of airway colonization by filamentous fungi in 201 adult patients with cystic fibrosis in france. | a total of 657 sputum samples from 201 cystic fibrosis adult patients were collected during a 24-month period (2005-2006). we retrospectively analyzed the fungal colonization of the respiratory tract of these individuals by linking medical records and microbiological data. filamentous fungi were isolated from specimens of 65.6% of the patients, with aspergillus fumigatus being the predominant species recovered as it was found in specimens of 56.7% of the patients. we observed no difference for g ... | 2010 | 21067327 |
| tetracycline resistance associated with commensal bacteria from representative ready-to-consume deli and restaurant foods. | proper knowledge of antibiotic resistance (ar) dissemination is essential for effective mitigation. this study examined the profiles of tetracycline-resistant (tetr) commensal bacteria from representative ready-to-consume food samples from salad bars at local grocery stores and restaurants. out of 900 tetr isolates examined, 158 (17.6%) carried one or more of tetm, tetl, tets, and tetk genes by conventional pcr, 28 harbored more than one tetr determinants. the most prevalent genotype was tetm, w ... | 2010 | 21067672 |
| bacterial diversity, organic pollutants and their metabolites in two aeration lagoons of common effluent treatment plant (cetp) during the degradation and detoxification of tannery wastewater. | in this study, pcr-rflp and gc-ms approaches were used to characterize the bacterial diversity, organic pollutants and metabolites during the tannery wastewater treatment process at common effluent treatment plant (cetp). results revealed that the bacterial communities growing in aeration lagoon-i were dominated with escherichia sp., stenotrophomonas sp., bacillus sp. and cronobacter sp. while that of aeration lagoon-ii prevailed with stenotrophomonas sp., and burkholderiales bacterium, respecti ... | 2010 | 21075615 |
| [a clinical analysis of 25 cases of prosthetic valve endocarditis]. | to report the clinical characteristics of prosthetic valve endocarditis (pve). | 2010 | 21092446 |
| two new variants of and creation of a repository for stenotrophomonas maltophilia quinolone protection protein (smqnr) genes. | 2010 | 21093222 | |
| pathogen-host interactions in dictyostelium, legionella, mycobacterium and other pathogens. | dictyostelium discoideum is a haploid social soil amoeba that is an established host model for several human pathogens. the research areas presently pursued include the use of d. discoideum to identify genetic host factors determining the outcome of infections and the use as screening system for identifying bacterial virulence factors. here we report about the legionella pneumophila directed phagosome biogenesis and the cell-to-cell spread of mycobacterium species. moreover, we highlight recent ... | 2010 | 21109012 |
| challenging and emerging pathogens in cystic fibrosis. | cystic fibrosis (cf) lung disease is characterised by chronic inflammation and infection. patients are predominantly infected by specific pathogens, of which staphylococcus aureus and pseudomonas aeruginosa are the most important. in recent years however there has been an increasing number of reports on potentially emerging and challenging pathogens like stenotrophomonas maltophilia, non-tuberculous mycobacteria, highly prevalent p. aeruginosa clones, methicillin resistant staphylococcus aureus ... | 2010 | 21109184 |
| analysis of heat-induced changes in protein expression of stenotrophomonas maltophilia k279a reveals a role for groel in the host-temperature adaptation. | stenotrophomonas maltophilia is a microorganism of environmental and clinical importance as well as a frequent airway colonizer of cystic fibrosis (cf) individuals. we combined 2-de and maldi-tof ms to profile the protein expression in s. maltophilia k279a, a completely sequenced clinical isolate, grown at 37 °c with respect to the strain grown at 26 °c. among the proteins up-regulated at 37 °c, we identified groel, a molecular chaperone that mainly assist the folding and unfolding of proteins u ... | 2010 | 21112247 |
| prolonged venovenous extracorporeal membrane oxygenation in a child with leukemia and persistent bacteremia. | objective:: in patients who require extracorporeal membrane oxygenation for prolonged periods, it is uncertain whether nosocomial bacteremia that persists throughout an entire extracorporeal membrane oxygenation run can be associated with good outcomes. design:: case report. setting:: tertiary pediatric intensive care unit. patient:: a 6-yr-old boy with acute myeloid leukemia and prolonged mechanical ventilatory support. interventions:: venovenous extracorporeal membrane oxygenation. measurement ... | 2010 | 21116210 |
| degradative potential of stenotrophomonas strain hpc383 having genes homologous to dmp operon. | a strain, stenotrophomonas hpc383 is isolated from effluent treatment plant treating wastewater from pesticide industry; degrades various aromatic compounds (cresols, phenol, catechol, 4methyl-catechol and hydroquinone) and crude oil, as determined through hplc and gc analysis. culture hpc383 could degrade (%) various compounds (1 mm) from a mixture: phenol - 99, p-cresol - 100, 4-methylcatechol - 96 and hydroquinone - 43 within 48 h of incubation, whereas it took 7 days to degrade 94% of 0.5% c ... | 2010 | 21123060 |
| immunological and pathological aspects of respiratory tract infection with stenotrophomonas maltophilia in balb/c mice. | a comprehensive study on the production of inflammatory mediators in the lungs of balb/c mice following infection with stenotrophomonas maltophilia was conducted. the levels of pro-inflammatory cytokines, tumor necrosis factor alpha (tnf-alpha) and interleukin-1beta (il-1 beta) was raised in the lungs of infected mice compared to control. the production of anti-inflammatory cytokine il-10 was slightly delayed. its peak level was on 2nd day whereas the peak of pro-inflammatory cytokines was obser ... | 2010 | 21124066 |
| optimization of culture media for enhanced chitinase production from a novel strain of stenotrophomonas maltophilia using response surface methodology. | chitinase is one of the most important mycolytic enzymes with industrial significance. this enzyme is produced by a number of organisms including bacteria. in this study we describe optimization of media components with increased production of chitinase for selected bacteria stenotrophomonas maltophilia isolated from the soil. different components of the defined media responsible for influencing chitinase secretion by the bacterial isolate were screened using plackett-burman experimental design ... | 2010 | 21124068 |
| new perspectives on immunomodulatory therapy for bacteraemia and sepsis. | systemic immune dysregulation is generally acknowledged to be the fundamental molecular mechanism that underlies the pathophysiology of severe sepsis and septic shock. in the presence of a systemic infection, microbial pathogens and their soluble mediators induce generalised immune activation and coagulation activation, leading to severe sepsis and septic shock. for decades, immune-based therapies have been devised with the specific intent of inhibiting the pro-inflammatory events that are thoug ... | 2010 | 21129935 |
| [the growing problem of antibiotic resistance in clinically relevant gram-negative bacteria: current situation]. | resistance to antimicrobial agents in clinically relevant gram-negative bacteria is an increasingly important problem, which in the last few years has spread from the hospital setting to the community. in enterobacteria, the main features of this situation include resistance to β-lactams and quinolones. β-lactam resistance is caused by intrinsic β-lactamases, extended-spectrum β-lactamases, plasmid-mediated cephamycinases and carbapenemses, particularly when produced in strains with decreased pe ... | 2010 | 21130927 |
| abundance and diversity of biofilms in natural and artificial aquifers of the äspö hard rock laboratory, sweden. | six cores were drilled and retrieved from 186-m depth in the äspö hard rock laboratory (hrl) tunnel to investigate whether indigenous biofilms develop on fracture surfaces in groundwater-conducting aquifers in granitic rock. a clone library was constructed from fracture surface material (fsm), for community composition analysis. quantitative polymerase chain reaction (qpcr) was applied to quantify gene copies using the 16s rrna gene for domain bacteria and the adenosine-phosphosulfate reductase ... | 2010 | 21132427 |
| diversity of bacterial endophytes in roots of mexican husk tomato plants (physalis ixocarpa) and their detection in the rhizosphere. | endophytic bacterial diversity was estimated in mexican husk tomato plant roots by amplified rdna restriction analysis and sequence homology comparison of the 16s rdna genes. sixteen operational taxonomic units from the 16s rdna root library were identified based on sequence analysis, including the classes gammaproteobacteria, betaproteobacteria, actinobacteria, and bacilli. the predominant genera were stenotrophomonas (21.9%), microbacterium (17.1%), burkholderia (14.3%), bacillus (14.3%), and ... | 2010 | 21157706 |
| [risk factors for ventilator-associated pneumonia in neonates and the changes of isolated pathogens.] | objective: to study the risk factors for neonatal ventilator-associated pneumonia (vap) and the changes of isolated pathogens in the last eight years. methods: the clinical data of 230 neonates who were admitted into the neonatal intensive care unit (nicu) and received mechanical ventilation for equal to or longer than 48 hrs in 2008 were retrospectively reviewed. the isolated pathogens were compared with those of eight years ago. results: the incidence of vap (25.2%) in the year 2008 was lower ... | 2010 | 21172126 |
| [in vitro antimicrobial activity of piperacillin-sulbactam and other 7 antimicrobial agents against non-fermentative bacilli]. | to evaluate the in vitro antimicrobial activity of piperacillin-sulbactam against clinical isolates of non-fermentative bacilli isolated from common infections. | 2010 | 21211358 |
| stenotrophomonas maltophilia endocarditis of prosthetic mitral valve. | we present a 78-year-old woman with prosthetic valve endocarditis due to stenotrophomonas maltophilia (s. maltophilia) 3 years after mitral valve replacement. administration of sulfamethoxazole-trimethoprim was effective; however, it was discontinued because of side effects, which led to failure of antibiotic therapy. complications of multiple cerebral infarction and paravalvular abscess developed. although the prosthetic valve was removed 50 days after admission, she died 4 months after surgery ... | 2010 | 20720357 |
| anaerobic oxidation of arsenite linked to chlorate reduction. | microorganisms play a significant role in the speciation and mobility of arsenic in the environment. in this study, the oxidation of arsenite [as(iii)] to arsenate [as(v)] linked to chlorate (clo₃⁻) reduction was shown to be catalyzed by sludge samples, enrichment cultures (ecs), and pure cultures incubated under anaerobic conditions. no activity was observed in treatments lacking inoculum or with heat-killed sludge, or in controls lacking clo₃⁻. the as(iii) oxidation was linked to the complete ... | 2010 | 20729322 |
| dacryocystitis secondary to stenotrophomonas maltophilia infection. | an 88-year-old man developed recurrent bouts of dacryocystitis and underwent dacryocystorhinostomy. cultures from the lacrimal sac demonstrated stenotrophomonas maltophilia. this uncommon bacterium is highly antibiotic resistant, and clinicians should consider it in atypical cases of infection and should guide antibiotic therapy appropriately. | 2010 | 21178795 |
| co-existence of staphylococcus spp and stenotrophomonas maltophilia infection in persistent endophthalmitis after cataract surgery. | 2010 | 21182662 | |
| biodegradation of fenvalerate and 3-phenoxybenzoic acid by a novel stenotrophomonas sp. strain zs-s-01 and its use in bioremediation of contaminated soils. | a bacterial strain zs-s-01, newly isolated from activated sludge, could effectively degrade fenvalerate and its hydrolysis product 3-phenoxybenzoic acid (3-pba). based on the morphology, physiological biochemical characteristics, and 16 s rdna sequence, strain zs-s-01 was identified as stenotrophomonas sp. strain zs-s-01 could also degrade and utilize deltamethrin, beta-cypermethrin, beta-cyfluthrin, and cyhalothrin as substrates for growth. strain zs-s-01 was capable of degrading fenvalerate ra ... | 2010 | 21184062 |
| reassessment of stenotrophomonas maltophilia phenotype. | standard microbiology references describe stenotrophomonas maltophilia as oxidase negative and variable with respect to utilization of lactose and sucrose. analysis of a collection of 766 s. maltophilia isolates indicated that approximately 20% are oxidase positive and that this species should be reevaluated for other phenotypes, including oxidative fermentation of lactose and sucrose. | 2010 | 21191048 |
| genetic and phenotypic diversity of plant growth promoting rhizobacteria isolated from sugarcane plants growing in pakistan. | bacteria were isolated from roots of sugarcane varieties grown in the fields of punjab. they were identified by using api20e/ne bacterial identification kits and from sequences of 16s rrna and amplicons of the cpn60 gene. the majority of bacteria were found to belong to the genera of enterobacter, pseudomonas, and klebsiella, but members of genera azospirillum, rhizobium, rahnella, delftia, caulobacter, pannonibacter, xanthomonas, and stenotrophomonas were also found. the community, however, was ... | 2010 | 21193815 |
| treatment of recurrent stenotrophomonas maltophilia ventilator-associated pneumonia with doxycycline and aerosolized colistin. | to report a case of recurrent stenotrophomonas maltophilia ventilator-associated pneumonia (vap) that was successfully treated with doxycycline and aerosolized colistin. | 2010 | 20736426 |
| diversity of cold-active protease-producing bacteria from arctic terrestrial and marine environments revealed by enrichment culture. | a new approach for enrichment culture was applied to obtain cold-active protease-producing bacteria for marine and terrestrial samples from svalbard, norway. the method was developed for the enrichment of bacteria by long-term incubation at low temperatures in semi-solid agar medium containing meat pieces as the main source of carbon and energy. zobell and 0.1x nutrient broth were added for marine and terrestrial microorganisms, respectively, to supply basal elements for growth. one to three typ ... | 2010 | 20799082 |
| stenotrophomonas maltophilia as a causal agent of pyogranulomatous hepatitis in a buffalo (bubalus bubalis). | a 7-year-old female buffalo (bubalus bubalis) from a local herd in serres, northern greece, was presented to a private veterinary clinic with a chronic loss of appetite for 15 days. the clinical examination revealed high fever (41.5 degrees c), lethargy, yellow discoloration of skin and mucous membranes, an abdomen that appeared to be empty, hyperactive rumen motility, and tachypnea. a biochemical profile revealed an elevated total bilirubin concentration and hepatic enzyme activities, whereas g ... | 2010 | 20807941 |
| [taxonomic position of certain representatives of sulphate-reducing corrosive microbial community]. | sulfate-reducing bacteria and their heterotrophic satellites have been isolated from the biofilm formed on steel by sulfidogenic corrosive microbial community. bacteria were characterized according to phenotypical features and investigated by the methods of molecular-genetic analysis. in accordance with the phenotypical features the studied strain of sulfate-reducing bacteria were related to desulfovibrio genus, gram-positive strains of heterotrophic satellites were related to bacillus genus, b. ... | 2010 | 20812503 |
| [physiological properties and taxonomic position of soil microorganisms-destructors of hexachlorcyclohexane]. | eleven (11) microbial strains capable to decompose insecticide hexachlorcyclohexane (hch) have been isolated from microbial association resistant to chloro-organic pesticides. on the basis of investigation of morphological, cultural, physiological, biochemical characteristics and results of sequence of gene 16s rrna it has been established, that the best strain-destructors n 3 and n 9 belong to pseudomonas putida species, and strain n 6 belongs to stenotrophomonas maltophilia species. | 2010 | 20812504 |
| [diversity of bacteria associated with pine wood nematode revealed by metagenome]. | the pine wood nematode (pwn), bursaphlenchus xylophilus, which collaborates with its associated bacteria to form ecosystem and has interaction among them, is the pathogen of pine wilt disease. this study focused on revealing the bacterial diversity of ecosystem of pine wood nematode and its associated bacteria. | 2010 | 20815238 |
| trimethoprim/sulfamethoxazole pharmacokinetics in two patients undergoing continuous venovenous hemodiafiltration. | to determine the extent of elimination of trimethoprim (tmp) and sulfamethoxazole (smx) via continuous venovenous hemodiafiltration (cvvhdf) in 2 critically ill patients with renal failure. | 2010 | 20823279 |