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highly resistant microorganisms in a teaching hospital: the role of horizontal spread in a setting of endemicity.to determine the incidence density of highly resistant organisms (hros) and the relative contribution of horizontal spread in a setting of endemicity.200818973456
modelling the effect of temperature, carbon dioxide, water activity and ph on growth and histamine formation by morganella psychrotolerans.a mathematical model was developed to predict growth and histamine formation by morganella psychrotolerans depending on temperature (0-20 degrees c), atmosphere (0-100% co2), nacl (0.0-6.0%) and ph (5.4-6.5). data from experiments with both sterile tuna meat and luria bertani broth was used to develop the mathematical growth and histamine formation model. the expanded logistic model with a growth dampening parameter (m) of 0.7 was used as primary growth model. a primary model for histamine forma ...200818845351
growth, inactivation and histamine formation of morganella psychrotolerans and morganella morganii - development and evaluation of predictive models.mathematical models for growth, heat inactivation and histamine formation by morganella psychrotolerans and morganella morganii were studied to evaluate the importance of these bacteria in seafood. curves for growth and histamine formation by m. psychrotolerans in broth and seafood were generated at constant and changing storage temperatures (n=12). observed and predicted times to formation of 100, 500 and 2000 ppm histamine were used for evaluation of an existing m. psychrotolerans histamine fo ...200818845350
[intestinal enterobacteria of the hibernating apis mellifera mellifera l. bees].dynamics of enterobacteria of normal intestinal microflora was studied in apis mellifera mellifera l. bees hibernating under snow in the western urals. the cell numbers (n) of the predominant species klebsiella oxytoca increased from 10-10(6) cfu/bee in november 2004 to 10(4)-10(7) cfu/bee in march 2005; its frequency of occurrence (p) increased from 92 to 100%. increase of providencia rettgeri (11.2004: n up to 10(6), p 25%; 03.2005: n 10(2)-10(6), p 80%) was accompanied by the substitution of ...200818683661
biodegradation of reactive blue 59 by isolated bacterial consortium pmb11.morphologically different, three bacterial strains, capable of decolorizing reactive blue 59 were isolated from dye effluent contaminated soil sample, collected from ichalkaranji, india. the individual bacterial strains viz. bacillus odysseyi suk3, morganella morganii suk5 and proteus sp. suk7 decolorized reactive blue 59 (50 mg l(-1)) completely within 60, 30, 24 h, respectively, while the bacterial consortium pmb11 of these strains required 3 h for the complete decolorization. the decolorizati ...200818661161
comparative in vitro studies on the beta-lactamase-inhibiting effect of clavulanic acid and sulbactam on ampicillin-resistant enterobacteriaceae.clavulanic acid and sulbactam alone are ineffective against pseudomonas and enterococci. staphylococci and enterobacteriaceae are inhibited by high concentrations not attainable under clinical conditions. strains of acinetobacter, especially a. lwoffii are susceptible to clavulanic acid and highly susceptible to sulbactam. the ampicillin/sulbactam combination is superior to ampicillin/clavulanic acid against citrobacter freundii, enterobacter spp. and morganella morganii. the latter combination ...199618611726
enterobacteriaceae and related organisms isolated from shell eggs collected during commercial processing.in the united states, commercial shell eggs are washed and graded before retail. since passage of the egg products inspection act in 1971, processing guidelines have been set to ensure that external and internal characteristics are maintained. however, less is known about how commercial processing affects the safety of shell eggs. to identify enteric bacteria entering plants and persisting throughout processing, eggs were collected from 3 us commercial shell egg-processing plants on 3 separate v ...200818493013
extracellular synthesis of crystalline silver nanoparticles and molecular evidence of silver resistance from morganella sp.: towards understanding biochemical synthesis mechanism.there has been significant progress in the biological synthesis of nanomaterials. however, the molecular mechanism of synthesis of such bio-nanomaterials remains largely unknown. here, we report the extracellular synthesis of crystalline silver nanoparticles (agnps) by using morganella sp., and show molecular evidence of silver resistance by elucidating the synthesis mechanism. the agnps were 20+/-5 nm in diameter and were highly stable at room temperature. the kinetics of agnps formation was in ...200818491326
non-pseudomonal ecthyma gangrenosum present in diclofenac-induced agranulocytosis. 200818474477
effects of rifaximin on bacterial virulence mechanisms at supra- and sub-inhibitory concentrations.rifaximin, a poorly absorbed rifamycin derivative, exhibited time-dependent bactericidal activity and at concentrations as low as 1/32 of the minimum inhibitory concentration (mic) caused morphological alterations in both susceptible and resistant bacterial strains. spontaneous rifaximin-resistant clones appeared with an incidence of 2.6 x 10(-7). the percentage of escherichia coli cells cured of various plasmids ranged from: 4.5-70% (flac), 0-18% (pbp507), 7.7-43.8% (plasmid carrying esbl genes ...200818467244
[case of the month; purple urine bag syndrome (pubs)]. 200818460735
in vitro interaction between mecillinam and piperacillin-tazobactam in the presence of azithromycin against members of the enterobacteriaceae family and pseudomonas aeruginosa.mecillinam was tested in vitro alone or in combination with piperacillin-tazobactam and azithromycin against representative species of the enterobacteriaceae family and pseudomonas aeruginosa to extend its antibacterial spectrum, and to protect mecillinam from inactivating enzymes taking advantage of the presence of tazobactam. drug interactions were studied by microdilution method, by selection of spontaneous resistant mutants on agar plates containing the drugs in combination and by time kill ...200818437840
characterization of a second ornithine decarboxylase isolated from morganella morganii.the genes involved in the putrescine formation by morganella morganii were investigated because putrescine is an indicator of food process deterioration. we report here on the existence of a new gene for ornithine decarboxylase (odc) in m. morganii. the sequenced 5,311-bp dna region showed the presence of four complete and one partial open reading frame. putative functions have been assigned to several gene products by sequence comparison with the proteins included in the databases. the third op ...200818389719
secondary structure of its2 rrna provides taxonomic characters for systematic studies--a case in lycoperdaceae (basidiomycota).the secondary structure of the its2 rdna transcript (pre-rrna) could provide information for identifying homologous nucleotide characters useful for cladistic inference of relationships. such structure data could become taxonomic characters. this work compares the effect of several modern nucleotide alignment strategies, including those making use of structure data, on phylogenetic inference. from both the phylogenetic analyses and comparative secondary structure, implications for taxonomy and e ...200818342242
morganella morganii-associated arthritis in a diabetic patient.this case report involves a 60-year-old diabetic man who developed septic arthritis as a result of the pathogen morganella morganii. the patient had complaints of elevated body temperature, malaise, rigors and pain in the left knee, despite no history of trauma. on examination of the knee, erythema, warmth, tenderness and swelling was observed. arthrocentesis performed on his left knee indicated the presence of straw-coloured, cloudy fluid without crystals. bacterial identification based on bioc ...200818327547
surveillance for plasmid-mediated quinolone resistance determinants in enterobacteriaceae within the calgary health region, canada: the emergence of aac(6')-ib-cr.a study was designed to determine the prevalence of plasmid-mediated quinolone resistance (pmqr) determinants among clinical isolates of enterobacteriaceae from the calgary health region (chr).200818296438
diverse antimicrobial killing by enterococcus faecium e 50-52 bacteriocin.an effective bacteriocin was identified and characterized. lactic acid bacteria were screened against campylobacter jejuni. one bacteriocin producer, enterococcus faecium (nrrl b-30746), was studied. the isolate was grown, and the bacteriocin was purified to single-band homogeneity. biochemical traits indicated that the peptide was a class iia bacteriocin, and it was named e 50-52. the bacteriocin had a molecular weight of 3339.7 and an isoelectric point of 8.0. the minimal inhibitory concentrat ...200818293921
the gut-brain barrier in major depression: intestinal mucosal dysfunction with an increased translocation of lps from gram negative enterobacteria (leaky gut) plays a role in the inflammatory pathophysiology of depression.there is now evidence that major depression (mdd) is accompanied by an activation of the inflammatory response system (irs) and that pro-inflammatory cytokines and lipopolysacharide (lps) may induce depressive symptoms. the aim of the present study was to examine whether an increased gastrointestinal permeability with an increased translocation of lps from gram negative bacteria may play a role in the pathophysiology of mdd. toward this end, the present study examines the serum concentrations of ...200818283240
chemical markers for the evaluation of raw material hygienic quality in egg products.the aim of this research was to study uracil and lactic and acetic acids as chemical markers for hygienic quality evaluation of raw material in liquid pasteurized egg products. uracil, absent in sound whole eggs, was formed in raw and pasteurized egg products as a consequence of high microbial contamination (>10(6) cfu/g) after a sufficient lag time, remaining stable at 4 degrees c but disappearing after 7 days of storage at 25 degrees c. both lactic and acetic acids, starting from initial value ...200818211016
phylogenetic relationships among species and genera of lycoperdaceae based on its and lsu sequence data from north european taxa.phylogenetic relationships, limits of species, and genera within lycoperdaceae, were inferred by use of its and lsu nu-rdna sequence data. lycoperdaceae was confirmed as monophyletic, and mycenastrum corium as a sister taxon to the ingroup. four major clades were identified and received weak to moderate support and correspond with the genera lycoperdon, bovista, calvatia, and disciseda. the lycoperdon clade includes species from lycoperdon, vascellum, morganella, handkea, bovistella, and calvati ...200818207380
early and late endophthalmitis following trabeculectomy in a chinese population.to investigate the rate of bleb-related endophthalmitis over 5 years in a chinese population. methods.:retrospective chart review.200818203087
cervical abscess with vaginal fistula after extraperitoneal cesarean section.extraperitoneal cesarean section was once used for the prevention of infection and postoperative adhesion. however, we report an unusual complication after this procedure. a 29-year-old woman had pus discharge from the anterior vaginal wall after extraperitoneal cesarean section. broad-spectrum antibiotics failed to relieve her symptoms and vaginal culture yielded morganella morganii . magnetic resonance imaging, sagittal view, showed a cervical abscess measuring 5 x 5 cm with a tract extending ...200718194912
renal abscess with morganella morganii complicating leukemoid reaction.we report a case of leukemoid reaction (lr) complicating renal abscess caused by morganella morganii infection in an 80-year-old man. on administration, laboratory tests revealed white blood cell count of 76160 /microl and c reactive protein 3.09 mg/dl. although chronic myeloid leukemia was suspected, bcr/abl fusion transcript was not observed. contrast enhanced computer tomography imaging of the abdomen showed abscess in the right kidney. m. morganii was detected repeatedly in material of liqui ...200818176006
an unusual case of hyperammonemia in a 83-year-old woman.hyperammonemia, with confusion and lethargy, developed in a 83-year-old woman during a urinary tract infection by morganella morganii, a urea-splitting gram-negative bacillus. in this patient, it is thought to have resulted from the production of excessive amounts of ammonia due to bacterial urease and its subsequent reabsorption into systemic circulation. the patient was treated with specific antibiotic therapy, with resolution of the urinary tract infection, progressive reduction in ammonia bl ...200718172374
morganella morganii sepsis with massive hemolysis.morganella morganii is a facultative gram-negative and anaerobic rod. it may be a cause of devastating infections in neonates and immunocompromised hosts. some bacterial infections such as clostridium and vibrio are associated with hemolysis. however, massive hemolysis caused by m. morganii sepsis has not yet been reported. we observed a 59-yr-old man who had chemotherapy-induced neutropenia and was found to have massive hemolysis and metabolic acidosis due to sepsis. he died 6 hr after admissio ...200718162728
occurrence of proteus mirabilis associated with two species of venezuelan oysters.the fecal contamination of raw seafood by indicators and opportunistic pathogenic microorganisms represents a public health concern. the objective of this study was to investigate the presence of enteric bacteria colonizing oysters collected from a venezuelan touristic area. oyster samples were collected at the northwestern coast of venezuela and local salinity, ph, temperature, and dissolved oxygen of seawater were recorded. total and fecal coliforms were measured for the assessment of the micr ...200718157401
in vitro activity of isepamicin and other aminoglycosides against clinical isolates of gram-negative bacteria causing nosocomial bloodstream infections.isepamicin is a newly introduced aminoglycoside in taiwan. since in vitro data for isepamicin against nosocomial gram-negative bloodstream infection from taiwan are limited, we compared the activity of isepamicin, amikacin, gentamicin and tobramycin against nosocomial gram-negative blood isolates.200718087627
isolation and purification of enterocin e-760 with broad antimicrobial activity against gram-positive and gram-negative bacteria.strain nrrl b-30745, isolated from chicken ceca and identified as enterococcus durans, enterococcus faecium, or enterococcus hirae, was initially identified as antagonistic to campylobacter jejuni. the isolate produced a 5,362-da bacteriocin (enterocin) that inhibits the growth of salmonella enterica serovar enteritidis, s. enterica serovar choleraesuis, s. enterica serovar typhimurium, s. enterica serovar gallinarum, escherichia coli o157:h7, yersinia enterocolitica, citrobacter freundii, klebs ...200818086839
emergence of antibiotic resistance during therapy for infections caused by enterobacteriaceae producing ampc beta-lactamase: implications for antibiotic use.enterobacter spp., serratia marcescens, citrobacter freundii, and morganella morganii are characterized by chromosomally encoded ampc beta-lactamases and possess the ability to develop resistance upon exposure to broad-spectrum cephalosporins. to determine the incidences of the emergence of resistance during antimicrobial therapy for infections caused by these organisms and the effect of the emergence of resistance on patient outcomes, all patients who were admitted to the asan medical center (s ...200818086837
application of clindamycin in therapy of orthopaedic infections with special regard to applicability in outpatients practice.background. there is presented the applicability of clindamycin alone or combined with chinolon group antibiotics in therapy of orthopaedic infections. <br /> material and methods. in the period 1998-2002 a group of 47 patients underwent therepy due to soft tisue infection within extremities (9 patients), osteomyelitis (30) and periprosthetic infection (8). in 21 cases there was acute (within 1 month) and in 26 cases chronic infection. etiologicaf factors include: staphylococcus aureus (35), aci ...200418033993
in vitro activities of tigecycline combined with other antimicrobials against multiresistant gram-positive and gram-negative pathogens.to test the activity of tigecycline combined with 16 antimicrobials in vitro against 22 gram-positive and 55 gram-negative clinical isolates.200818033780
multiple antimicrobial resistance in enterobacteriaceae isolates from pristine freshwater.a freshwater enterobacterial population (n = 111) was studied for antimicrobial and mercury resistance patterns, and for its possible association with biotic and abiotic factors in that environment. conventional biochemical tests identified klebsiella sp, morganella sp, serratia sp, escherichia sp, enterobacter sp, edwarsiella sp, proteus sp, citrobacter sp, providencia sp, and kluyvera sp. there was no correlation between antimicrobial resistance patterns of isolates and bacterial genera, but r ...200717985304
species interactions in mixed-community crystalline biofilms on urinary catheters.previous experimental investigations of the crystalline biofilms that colonize and block urinary catheters have focussed on their formation by pure cultures of proteus mirabilis. in the urine of patients undergoing long-term catheterization, p. mirabilis is commonly found in mixed communities with other urinary tract pathogens. little is known about the effect that the other species have on the rate at which p. mirabilis encrusts catheters. in the present study, a set of data on the nature of th ...200717965358
anti-amebic antibody activity in patients, determined with antigens prepared from virulent parasites (indirect hemagglutination assay and enzyme-linked immunosorbent assay).the serology of amebiasis is affected by low sensitivity and specificity.200717939629
isolation of morganella morganii from a domestic rabbit with bronchopneumonia. 200717938414
bacterial gangs attack implants. 200717918118
epidemiology and outcomes of multiple antibiotic-resistant bacterial infection in renal transplantation.mutiresistant bacterial infections are an emerging problem in the nosocomial setting. our objectives were to describe the incidence, outcome, and risk factors for acquisition of multiresistant bacteria among renal transplant recipients.200717889144
[the antibacterial activity of fluoroquinolones against gram-negative bacteria isolated from gifu prefecture (2005)].we investigated the susceptibility to 6 fluoroquinolones against 433 strains of gram-negative bacteria isolated from 6 medical facilities in gifu prefecture between january and september in 2005, determined by the agar dilution methods in according with the japan society of chemotherapy. we also investigated the correlation between the degree of resistance to fluoroquinolones and the amino acid substitutions in the quinolone resistance-determining region (qrdr). the tested clinical isolates were ...200717867488
[waterhouse-friderichsen syndrome associated to a morganella morganii and enterococcus faecium peritonitis].about fifty to sixty percent of patients with septic shock acquire acute adrenal insufficiency. this insufficiency is most often relative, but can sometimes be absolute. bilateral adrenal haemorrhage is a rare aetiology of absolute acute adrenal insufficiency. it is classically described in patients with severe meningococcemia (purpura fulminans), who commonly present many of the risk factors associated with bilateral adrenal haemorrhage (shock, coagulation disorders, sepsis). we report a case o ...200717766079
first report of the emergence of ctx-m-type extended-spectrum beta-lactamases (esbls) as the predominant esbl isolated in a u.s. health care system.ctx-m-type extended-spectrum beta-lactamases (esbls) have become increasingly common worldwide, with the notable exception of the united states, where tem- and shv-type esbls have appeared to predominate. we have noted the emergence of esbls in our health care system (the university health system in san antonio, tx), especially in escherichia coli isolates, that preferentially hydrolyze cefotaxime rather than ceftazidime, suggesting the possibility of ctx-m-type enzymes. microbiology laboratory ...200717724160
diversity of microflora in the gut and casts of tropical composting earthworms reared on different substrates.the diversity of fungi, bacteria, yeast, actinomycetes and protozoa were analysed in the gut and casts of eudrilus eugeniae, lampito mauritii, eisenia fetida and perionyx excavatus, both qualitatively and quantitatively as influenced by different feed substrates like clay loam soil, cowdung and pressmud. while actinomycetes (streptomyces albus, s. somaliensis, nocardia asteroides, n. caviae and saccharomonosporia) were not digested by any of these species of worms, protozoa (amoeba proteus, a. t ...200717717992
haemagglutination, haemolysin production and serum resistance of proteus and related species isolated from clinical sources.a total of 148 strains of proteus and related species comprising of proteus mirabilis (116), proteus vulgaris (24), providentia rettgeri (4), providentia alcalifaciens (2), providentia stuarti (1) and morganella morganii (1), isolated from various sources, were examined for haemagglutination (ha), haemolysin production (hl) and serum resistance (sr). maximum isolates were obtained from urine (47.30%) and pus (40.54%) and they were multidrug resistant. the sensitivity to ciprofloxacin was 78.38%, ...200117664798
ctx-m-3-type extended-spectrum beta-lactamase-producing morganella morganii: first description of an isolate from turkey. 200717644345
changes in histamine and microbiological analyses in fresh and frozen tuna muscle during temperature abuse.temperature abuse of tuna (thunnus alalunga) was carried out in order to assess the histamine buildup in fish-processing facilities where fish can be exposed to high temperatures for short periods of time. histamine production was studied in tuna loins under different storage and abuse conditions. tuna was stored at 0-2 degrees c, 3-4 degrees c, and 6-7 degrees c, and abused for 2 h daily at 20 degrees c and 30 degrees c for 7-12 days. loins abused at 30 degrees c for 2 h daily contained potenti ...200717613069
prevalence, microbiology, and clinical characteristics of extended-spectrum beta-lactamase-producing enterobacter spp., serratia marcescens, citrobacter freundii, and morganella morganii in korea.we examined the prevalence and characteristics of extended-spectrum beta-lactamase (esbl)-producing clinical isolates among enterobacter spp., serratia marcescens, citrobacter freundii, and morganella morganii, and evaluated screening criteria, clinical characteristics and outcomes of infections caused by esbl-producing organisms. between january and june 2005, a total of 493 nonduplicate consecutive isolates were collected at asan medical center, a 2,300-bed tertiary hospital in seoul, republic ...200717587073
gene organization of the ornithine decarboxylase-encoding region in morganella morganii.the production of putrescine is a relevant property related to food quality and safety. morganella morganii is responsible for putrescine production in fresh fish decomposition. the aim of this study was to gain deeper insights into the genetic determinants for putrescine production in m. morganii.200717578420
in vitro activity of ceftaroline (ppi-0903m, t-91825) against bacteria with defined resistance mechanisms and phenotypes.ceftaroline (ppi-0903m, t-91825) is a novel cephalosporin, administered as an n-phosphono prodrug. we investigated its in vitro activity and resistance selection potential.200717548456
[genetic markers of pathogenicity of conditionally pathogenic enterobacteria isolated from children with diarrheal diseases].in the process of examination of 89 children from different age groups with diarrheal disease caused by bacteria from enterobacteriaceae family 89 microorganisms were isolated including klebsiella spp. (37 isolates), citrobacter spp. (9 isolates), enterobacter spp. (17 isolates), hafnia alvei (1 isolate), morganella morganii (11 isolates), proteus spp. (14 isolates). presence of genes associated with pathogenicity islands (pais): hlya, hlyb (hemolysin), sfag (fimbria antigen type s), cnf1 (cytot ...200717523471
thirteen-lined ground squirrels (spermophilus tridecemlineatus) harbor multiantibiotic-resistant bacteria.whether wild-caught animals used for biomedical research carry antibiotic-resistant bacteria is not well studied. thirteen- lined ground squirrels (spermophilus tridecemlineatus) are small mammals used to study hibernation. these animals are captured from the wild or are born in laboratory animal facilities to wild-caught mothers. because microorganisms harbored by 13-lined ground squirrels may be pathogenic to their caretakers and other laboratory animals, learning more about antibiotic resista ...200717487947
[purification and characterization of carbonyl enantioselective reductase from morganella morganii j-8].the purification and the characteristics of an enzyme from morganella morganii j-8, which could produce d-pseudoephedrine from 1-phenyl-2-methylamine-acetone, were performed in this study. in this research, first, cells were disrupted by ultrasonic treatment at 4 degrees c. the carbonyl enantioselective reductase was purified with a combination of ammonium precipitation, phenyl superose hydrophobic chromatography, deae anion exchange, and native polyacrylamide gel electrophoresis. the molecular ...200717460900
albomycin is an effective antibiotic, as exemplified with yersinia enterocolitica and streptococcus pneumoniae.albomycin belongs to the class of sideromycins, compounds composed of iron carriers linked to antibiotic moieties. albomycin was found to be active against bacteria that have a functional ferric hydroxamate transport system meaning that bacteria will actively transport albomycin until they die. we examined the activity spectrum of albomycin for bacterial pathogens and found that enterobacteriaceae except species of proteus and morganella were sensitive. resistance in the two genera was due to th ...200717459767
relationships between plants and enterobacteria that are pathogenic for humans. 200617425047
population-based laboratory surveillance for tribe proteeae isolates in a large canadian health region.the tribe proteeae comprises the genera proteus, morganella and providencia. few studies have specifically investigated the epidemiology of infections caused by the proteeae, and none has been conducted in a large non-selected population. the present study was a population-based laboratory surveillance in the calgary health region (population 1.2 million), canada during 2000-2005 that aimed to define the incidence, demographical risk-factors for acquisition and antimicrobial susceptibilities of ...200717403132
insecticidal bacteria isolated from predatory larvae of the antlion species myrmeleon bore (neuroptera: myrmeleontidae).various bacterial species were isolated from the crop (digestive organ) of the antlion species myrmeleon bore and tested for their insecticidal activity against caterpillars by injection. sixty-eight isolates from the antlion crop were grouped into twenty-four species based on homologies of 16s rrna gene sequences and biochemical properties. isolated bacillus cereus, bacillus sphaericus, morganella morganii, serratia marcescens and a klebsiella species killed 80% or more cutworms when injected a ...200717399737
pathogens in early-onset and late-onset intensive care unit-acquired pneumonia.to compare the type of pathogens isolated from patients with early-onset intensive care unit (icu)-acquired pneumonia with those isolated from patients with late-onset icu-acquired pneumonia and to study risk factors for the isolation of pathogens that are potentially resistant to multiple drugs.200717385143
[evaluation of vitek 2 performance for identifying extended spectrum beta-lactamases in enterobacteriaceae "other than escherichia coli, proteus mirabilis and klebsiella spp"].production of beta-lactamases is the main resistance mechanism of gram-negative bacteria against beta-lactam antibiotics. extended spectrum beta-lactamases (esbls) have the ability to hydrolyze a broader spectrum of beta-lactam drugs. hence rapid, accurate detection of this resistance mechanism is extremely important to guide proper patient antimicrobial therapy. these enzymes are most commonly produced by klebsiella spp. and escherichia coli, but may also occur widely in other gram-negative bac ...200617380089
primary urinary tract infection in infants: prophylaxis for uncomplicated pyelonephritis.urinary tract infection (uti) is one of the most common causes of unexplained fever in infants with a reported prevalence range of 5-11%. the clinical and laboratory findings were reviewed, and diagnosis and treatment for 95 infants with primary uti were evaluated in this study.200717371343
antimicrobial activity and pollen composition of honey samples collected from different provinces in turkey.the antibacterial activity of honey samples from different sources were collected and investigated against bacillus cereus, staphylococcus aureus atcc 25923, pseudomonas aeruginosa atcc 27853, klebsiella pneumoniae atcc 27736, morganella morganii, micrococcus luteus nrrl b-4375, escherichia coli atcc 35218, and candida albicans. pathogens exhibited different sensitivities towards the honey samples. the results showed that majority of the honey samples (75%) generally inhibitied the bacteria test ...200717365707
characterization of in3mor, a new integron carrying vim-1 metallo-beta-lactamase and sat1 gene, from morganella morganii.a carbapenem-resistant morganella morganii clinical isolate that was phenotypically metallo-beta-lactamase (mbl)-positive was recovered from a greek patient. the aim of the study was to analyse the structure of the integron containing the mbl gene.200717341470
bacterial translocation in small intestinal ischemia-reperfusion injury and efficacy of anti-cinc antibody treatment.the involvement of bacterial translocation in small intestinal ischemia-reperfusion injuries and the efficacy of using anti-cinc antibodies for treatment were investigated. a model for ischemia-reperfusion injury of the small intestine was constructed by clamping the supramesenteric artery (for 90 min) in rats. anti-cinc antibodies and saline were given just before the induction of ischemia in the treatment group and the control group, respectively. six hours after reperfusion, bacteria were det ...200717337893
[pyrazinamidase activity of bacteria from enterobacteriaceae family as characteristic for taxonomy].pyrazinamidase activity in 330 strains of bacteria from enterobacteriaceae family (14 genus, 27 species) has been assessed. pyrazinamidase activity detected in species from following genuses: citrobacter, escherichia, klebsiella, kluyvera, morganella, providencia, raourtella, salmonella, shigella, and also in proteus mirabilis, and nonpathogenic serovars of yersinia enterocolitica, y. frederiksenii. pirasinamidase was absent in serratia (s. marcescens, s. liguefaciens), hafnia alvei, p. vulgaris ...200617297889
detection of extended-spectrum beta-lactamases among enterobacteriaceae by use of semiautomated microbiology systems and manual detection procedures.three commercially available microbiology identification and susceptibility testing systems were compared with regard to their ability to detect extended-spectrum beta-lactamase (esbl) production in enterobacteriaceae, i.e., the phoenix automated microbiology system (bd diagnostic systems, sparks, md), the vitek 2 system (biomérieux, marcy l'etoile, france), and the microscan walkaway-96 system (dade behring, inc., west sacramento, ca), using routine testing panels. one hundred fifty putative es ...200717287329
characterization of the bacterial microflora of the tympanic cavity of eastern box turtles with and without aural abscesses.aerobic bacterial cultures of the tympanic cavity of the middle ear were performed in eight eastern box turtles (terrapene carolina carolina) with aural abscesses and 15 eastern box turtles without aural abscesses (controls) that were admitted to the wildlife center of virginia, virginia, usa during 2003. twenty-two bacterial isolates were identified from 17 turtles including 10 gram-negative and 12 gram-positive bacteria. ten of 15 control animals had bacterial growth, resulting in identificati ...200617255456
tension pyopneumothorax. 200717254692
histidine decarboxylases and their role in accumulation of histamine in tuna and dried saury.histamine-producing bacteria (hpb) such as photobacterium phosphoreum and raoultella planticola possess histidine decarboxylase (hdc), which converts histidine into histamine. histamine fish poisoning (hfp) is attributable to the ingestion of fish containing high levels of histamine produced by hpb. because freezing greatly decreases the histamine-producing ability of hpb, especially of p. phosphoreum, it has been speculated that hfp is caused by hdc itself from hpb cells autolyzing during froze ...200717220267
evaluation of a new selective chromogenic agar medium for detection of extended-spectrum beta-lactamase-producing enterobacteriaceae.a novel chromogenic agar medium (esbl-bx; biomérieux, marcy l'etoile, france) was compared to macconkey agar supplemented with 2 mg ceftazidime/liter (mckc) for the selective isolation and presumptive identification of extended-spectrum beta-lactamase (esbl)-producing enterobacteriaceae directly from clinical samples. of a total of 644 clinical specimens (including 551 fecal samples), 496 yielded no growth and 148 yielded growth on one or both media. overall, 44 esbl-producing enterobacteriaceae ...200717182756
morganella morganii infections in a general tertiary hospital.morganella morganii is a commensal gram-negative bacillus of the intestinal tract of humans and other mammals and reptiles. few reports exist in the literature regarding infections caused by this organism.200617180585
[pneumatosis cystoides intestini caeci--a pseudotumor presented at autopsy].a large focus of cystic intestinal pneumatosis appeared as an accidental finding in a 59-year-old man suffering from obstructive lung disease, with cor pulmonale as the cause of death. the gas pseudocysts were found in the submucosa, muscularis propria and in the subserosal space. the pseudocysts were lined by flattened cells of connective tissue origin with presence of occasional macrophages. we believe that the lesion started by focal damage of the mucosal membrane, which was followed by penet ...200617171976
occurrence and diversity of integrons and beta-lactamase genes among ampicillin-resistant isolates from estuarine waters.the aim of the present study was to assess the occurrence and molecular diversity of beta-lactamase genes and integrons among gram-negative ampicillin-resistant bacteria from ria de aveiro. ampicillin-resistant isolates were selected and subjected to genotyping using rep-pcr. representatives from each rep pattern were affiliated with the following taxa by sequencing the 16s rrna gene: aeromonas caviae, a. hydrophila, a. media, a. molluscorum, a. veronii, a. salmonicida, aeromonas sp., pseudomona ...200617125975
high-level vancomycin-resistant staphylococcus aureus isolates associated with a polymicrobial biofilm.glycopeptides such as vancomycin are the treatment of choice for infections due to methicillin-resistant staphylococcus aureus. this study describes the identification of high-level vancomycin-resistant s. aureus (vrsa) isolates in a polymicrobial biofilm within an indwelling nephrostomy tube in a patient in new york. s. aureus, enterococcus faecalis, enterococcus faecium, micrococcus species, morganella morganii, and pseudomonas aeruginosa were isolated from the biofilm. for vrsa isolates, vanc ...200717074796
morganella psychrotolerans sp. nov., a histamine-producing bacterium isolated from various seafoods.mesophilic morganella morganii (n=6) and psychrotolerant m. morganii-like isolates from various seafoods (n=13), as well as clinical m. morganii isolates (n=3), were characterized by using a polyphasic approach including multi-locus sequencing. based on the phylogenetic analysis, the 22 strains were divided into two distinct groups comprising mesophilic and psychrotolerant isolates, respectively. this classification was supported by dna-dna hybridization studies, whereby a psychrotolerant isolat ...200617012582
increased serum iga and igm against lps of enterobacteria in chronic fatigue syndrome (cfs): indication for the involvement of gram-negative enterobacteria in the etiology of cfs and for the presence of an increased gut-intestinal permeability.there is now evidence that chronic fatigue syndrome (cfs) is accompanied by immune disorders and by increased oxidative stress. the present study has been designed in order to examine the serum concentrations of iga and igm to lps of gram-negative enterobacteria, i.e. hafnia alvei; pseudomonas aeruginosa, morganella morganii, proteus mirabilis, pseudomonas putida, citrobacter koseri, and klebsiella pneumoniae in cfs patients, patients with partial cfs and normal controls. we found that the preva ...200717007934
[penile skin necrosis after application of a ring and defect coverage by a skin mesh graft].penile strangulations are rare and always need an individual emergency treatment. functional impairment and loss of organ integrity are the most serious complications.200617004184
adverse effects of increased intra-abdominal pressure on small bowel structure and bacterial translocation in the rat.the purpose of this study was to evaluate the effects of elevated intra-abdominal pressure (iap) on intestinal structures and bacterial translocation in the rat.200616968194
clinical characteristics and risk factors for mortality in morganella morganii bacteremia.to clarify the clinical characteristics and risk factors for mortality of patients with morganella morganii bacteremia.200616926980
[a puzzle of the physician and the patient]. 200616835961
integron presence in a multiresistant morganella morganii isolate.a multiresistant strain of morganella morganii was isolated from a patient affected by several severe pathologies. the isolate was found to be resistant to the following antimicrobials: ampicillin, nalidixic acid, cefalothin, cefoxitin, ceftriaxone, ciprofloxacin, chloramphenicol, streptomycin, erythromycin, gentamicin, novobiocin, penicillin, rifampicin, tetracycline and violet crystal. mechanisms leading to this multiresistance were studied. porins of m. morganii multiresistant and wild-type s ...200616690260
first report of morganella morganii producing ctx-m-15 beta-lactamase. 200616690259
improved production of enzymes, which are expressed under the pho regulon promoter, in the rmf gene (encoding ribosome modulation factor) disruptant of escherichia coli.using a dna macroarray, we investigated the effects of rmf gene (encoding ribosome modulation factor) disruption on gene expression profiles in escherichia coli. this strain showed a phosphate-starvation-like response in gene expression even under phosphate sufficient conditions; significant upregulation of the pho regulon genes was observed. further, the production of alkaline phosphatase, a product of the pho regulon gene, phoa, increased in the rmf disruptant under a pi sufficient condition. ...200616636463
formation of histamine and biogenic amines in cold-smoked tuna: an investigation of psychrotolerant bacteria from samples implicated in cases of histamine fish poisoning.two outbreaks and a single case of histamine fish poisoning associated with cold-smoked tuna (cst) were reported in denmark during 2004. the bacteria most likely responsible for histamine formation in cst implicated in histamine fish poisoning was identified for the first time in this study. product characteristics and profiles of biogenic amines in the implicated products were also recorded. in the single poisoning case, psychrotolerant morganella morganii-like bacteria most likely was responsi ...200616629036
morganella morganii pericarditis 3 years after allogenic bone marrow transplantation for mantle cell lymphoma.we report herein a case of morganella morganii-associated acute purulent pericarditis that developed 3 years after allogenic bone marrow transplantation. the patient was successfully treated with surgical drainage and cefotaxime for 6 weeks. splenectomy and immunosuppression for chronic gvh-d are likely to have favored the development of this rare infectious complication after bmt. m. morganii should be added to the list of bacteria causing purulent pericarditis, especially in immunocompromised ...200616569434
early onset morganella morganii sepsis in a newborn infant with emergence of cephalosporin resistance caused by depression of ampc beta-lactamase production..a preterm infant with early onset morganella morganii sepsis was treated with cefotaxime and gentamicin after confirmation of antimicrobial susceptibility. the infant developed persistent ventriculitis caused by the emergence of a cefotaxime-resistant morganella variant with derepression of its ampc beta-lactamase. when choosing antibiotic therapy, the risk of development of resistance to cephalosporins should be considered in infections caused by m. morganii and other gram-negative organisms wi ...200616567997
exoproducts of the escherichia coli strain h22 inhibiting some enteric pathogens both in vitro and in vivo.the antagonistic activity of the escherichia coli strain h22 against enteric bacteria was studied both in vitro and in vivo.200616553738
isolation of enterobacter sakazakii from stable flies, stomoxys calcitrans l. (diptera: muscidae).enterobacter sakazakii is an opportunistic foodborne pathogen that causes meningitis, enterocolitis, and sepsis, primarily in immunocompromised infants. previously, it was suggested that stable flies, stomoxys calcitrans, were a vector or reservoir of this pathogen. in our study, by means of a culturing approach combined with 16s rdna pcr-restriction fragment length polymorphism genotyping and sequencing, we screened 928 individual stable flies collected in kansas and florida. two stable flies ( ...200616541702
optimization of ferrioxamine e concentration as effective supplementation for selective isolation of salmonella enteritidis in egg white.utilization of ferrioxamine e (fe) as a sole source of iron distinguishes salmonella from a number of related species, including escherichia coli. fe is not able to serve as a source of iron for e. coli or the proteus-providencia-morganella group. this confers a selective advantage on salmonella enteritidis in egg white supplemented with fe. the optimum concentration of fe that promoted a selective advantage for salmonella in egg white was determined. four supplementation concentrations were eva ...200616541696
detection of bacterial strains producing sulbactam- or tazobactam-sensitive beta-lactamases by the use of disks containing the inhibitors alone instead of combining them with antibiotics.the author demonstrated that disks containing beta-lactamase inhibitors sulbactam or tazobactam combined with ampicillin (sam) and piperacillin (tzp) are not suitable for performing the double-disk synergy test (ddst) with the aim of determining the sensitivity of beta-lactamases to these inhibitors. the presence of antibiotics (especially of piperacillin) is so disturbing that the results of testing are not specific. in contrast, the use of disks containing sulbactam or tazobactam alone yields ...200616499654
biochemical and molecular characterization of three new variants of ampc beta-lactamases from morganella morganii.morganella morganii produces an inducible, chromosomally encoded ampc beta-lactamase. we describe in this study three new variants of ampc within this species with apparent pis of 6.6 (m19 from m. morganii strain pp19), 7.4 (m29 from m. morganii strain pp29), and 7.8 (m37 from m. morganii strain pp37). after gene sequencing, deduced amino acid sequences displayed one to six substitutions when compared to the available morganella ampc sequences. an ampr-encoding gene was also found upstream of am ...200616495258
a rare cause of ludwig's angina by morganella morganii.ludwig's angina is a rapidly spreading and potentially lethal infection involving the floor of the mouth and neck. we present a rare case of ludwig's angina caused by an unusual microorganism, morganella morganii, and the group d alpha-hemolytic streptococcus. to our knowledge, this is the first case of ludwig's angina and deep neck infection caused by morganella morganii. adequate airway maintenance, appropriate use of antibiotics and surgical drainage resulted in survival of the patient withou ...200616483664
clonal occurrences of multidrug-resistant gram-negative bacilli: report from the meropenem yearly susceptibility test information collection surveillance program in the united states (2004).the meropenem yearly susceptibility test information collection program is a global, longitudinal resistance surveillance network of more than 100 medical centers worldwide monitoring the susceptibility of bacterial pathogens to carbapenems and other broad-spectrum agents. between 1999 and 2004, a total of 10-16 us medical centers referred up to 200 nonduplicate isolates from clinical infections to a central processing laboratory. over this 6-year period, the antimicrobial activity of 12 broad-s ...200616466890
emergence of dha-1-producing klebsiella spp. in the parisian region: genetic organization of the ampc and ampr genes originating from morganella morganii.eleven klebsiella pneumoniae clinical isolates and one klebsiella oxytoca clinical isolate showing various pulsed-field gel electrophoresis types and producing an inducible dha-1 class c beta-lactamase were isolated in the parisian region between 1998 and 2003. the aim of this study was to compare the genetic organization of the bla(dha-1) genes in this collection of clinical isolates. in four isolates, the morganella morganii-derived genomic region containing bla(dha-1) was inserted in an entir ...200616436717
[beta-lactamases of gram negative bacteria: never-ending clockwork!].the acquired resistance against the wide-spectrum and highly stable beta-lactams including third-generation cephalosporins (3gc) and carbapenems is constinuously increasing and widespead with the discovery of various plasmid-encoded, or genes cassette or integrons coding for a novel beta-lactamase, always a major mechanism of resistance. to explain resistance against 3gc, with the continuing story with tem and shv mutated enzymes, several types of esbl (class a) emerge the ctx-m type, at least c ...200616420989
central nervous system infection caused by morganella morganii.central nervous system (cns) infection with morganella morganii is very rare. we describe a 38-year-old female patient with frontal brain abscess caused by m morganii who was unsuccessfully treated. we also review all reported cases of morganella cns infections with an emphasis on treatment modalities and outcomes. aggressive surgical management and appropriate antimicrobial therapy can lead to cure, but the mortality rate for these infections remains high.200616415665
pharmacologic characteristics of prulifloxacin.prulifloxacin, the prodrug of ulifloxacin, is a broad-spectrum oral fluoroquinolone antibacterial agent. after absorption, prulifloxacin is metabolized by esterases to ulifloxacin. the drug has a long elimination half-life, allowing once-daily administration. in vitro, ulifloxacin is generally more active than other fluoroquinolones against a variety of clinical isolates of gram-negative bacteria, including community and nosocomial isolates of escherichia coli, klebsiella spp., proteus, providen ...200616360331
effect of triclosan on the development of bacterial biofilms by urinary tract pathogens on urinary catheters.to examine (i) the effect of triclosan on the formation of catheter biofilms by urinary tract pathogens and (ii) the diffusion of triclosan through the retention balloons of urinary catheters.200616339844
in vitro evaluation of new beta-lactamase inhibitor: ytr830h and derivatives. 198916312318
ytr-830h: its origin, the present and the future. 198916312317
evaluation of the new vitek 2 gn card for the identification of gram-negative bacilli frequently encountered in clinical laboratories.the new vitek 2 gn card (biomérieux, marcy-l'etoile, france) was developed for better identification of fermenting and nonfermenting bacilli. this new card allows the identification of 159 taxa. a total of 426 isolates (331 fermenting and 95 nonfermenting gram-negative bacilli) belonging to 70 taxa covered by the database were evaluated. all isolates were identified in parallel with the id 32 gn, the api 20e, and the api 20ne methods. the system correctly identified 97.4% (n=415) of the strains. ...200516261305
incidence of class 1 integrons in multiple antibiotic-resistant gram-negative copiotrophic bacteria from the river torsa in india.the presence of class 1 integrons in multiple-antibiotic-resistant (mar) gram-negative copiotrophic bacteria from the river torsa in india was detected using a polymerase chain reaction (pcr)-based screening method. among 100 isolates that were resistant to at least five of the twelve antibiotics tested, 40 carried class 1 integrons, with inserted dna regions of 0.7-3.2 kb. carriage of integrons in strains of higher mar index was found to be statistically significant. dna sequencing was used to ...200616239097
acid phosphatase/phosphotransferases from enteric bacteria.we have investigated the enzymatic phosphorylation of nucleosides and found that morganella morganii phoc acid phosphatase exhibits regioselective pyrophosphate (pp(i))-nucleoside phosphotransferase activity. in this study, we isolated genes encoding an acid phosphatase with regioselective phosphotransferase activity (ap/ptase) from providencia stuartii, enterobacter aerogenes, escherichia blattae and klebsiella planticola, and compared the primary structures and enzymatic characteristics of the ...200116233057
a novel selective nucleoside phosphorylating enzyme from morganella morganii.a selective nucleoside phosphorylating enzyme was purified to homogeneity from morganella morganii ncimb10466 crude extract. the enzyme appeared to consist of six subunits identical in molecular mass (m(r) 25,000). it phosphorylated various nucleosides at the 5'-position to produce nucleoside-5'-monophosphates using pyrophosphate as the phosphate source. energy-rich compounds, such as carbamylphosphate and acetylphosphate, were also very effective phosphate donors. the enzyme also exhibited phos ...199916232546
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