| [formation of acetoin and 2,3-butylglycol with the culture of aerobacter aerogenes]. | | 1950 | 15438747 |
| [occurrence of escherichia coli, aerobacter aerogenes and intermediate forms in the blood]. | | 1950 | 15443730 |
| effect of smoking on vitamin a, vitamin e, and other trace elements in patients with cardiovascular disease in bangladesh: a cross-sectional study. | data regarding the impact of cigarette smoking on trace elements are scarce and inconsistent. in this study, we evaluated the effect of smoking on serum concentrations of trace elements among adult males with heart disease. | 2004 | 15462677 |
| detection of low levels of listeria monocytogenes cells by using a fiber-optic immunosensor. | biosensor technology has a great potential to meet the need for sensitive and nearly real-time microbial detection from foods. an antibody-based fiber-optic biosensor to detect low levels of listeria monocytogenes cells following an enrichment step was developed. the principle of the sensor is a sandwich immunoassay where a rabbit polyclonal antibody was first immobilized on polystyrene fiber waveguides through a biotin-streptavidin reaction to capture listeria cells on the fiber. capture of cel ... | 2004 | 15466560 |
| correlation of extended spectrum beta lactamases production with cephalosporin resistance in gram negative bacilli. | beta lactamase production is an important mechanism of developing resistance to beta lactam group of antibiotics. cephlosporins with extended spectrum of activity and stability were introduced to overcome this resistance, but soon production of extended spectrum beta lactamases (esbls), which are inducible in nature was reported. in this study klebsiella aerogenes--166, escherichia coli--120, citrobacter spps--116, pseudomonas spps--50, proteus spps--32 and s. typhi--16, strains were subjected t ... | 2004 | 15471144 |
| evaluation of the microscan esbl plus confirmation panel for detection of extended-spectrum beta-lactamases in clinical isolates of oxyimino-cephalosporin-resistant gram-negative bacteria. | we aimed to assess the performance of the microscan esbl plus confirmation panel using a series of 87 oxyimino-cephalosporin-resistant gram-negative bacilli of various species. | 2004 | 15471997 |
| [rapid diagnosis of common pathogenic bacteria infection in newborn infants by 16srdna oligonucleotide array]. | the rapid identification of pathogenic bacteria is important for earlier effective patient management and antimicrobial therapy, especially for the infant patient, whose immunological system is not fully developed. however conventional microbiogical techniques of bacterial identification, culture and isolation of pathogenic bacteria, identification by biochemistry and serological assay, are time-consuming and require intensive labor. on the basis of special gene sequence, pcr provides simple and ... | 2004 | 15482667 |
| synthesis and antimicrobial activity of some netropsin analogues. | nine novel lexitropsins were synthesized by linking two netropsin-like moieties through three different dicarboxylic acids; 9,10-dihydro-2,7-phenanthrenedicarboxylic acid; [(3-[[(carboxymethyl)amino]carbonyl]benzoyl)amino]acetic acid and indole-2,5-dicarboxylic acid. the netropsin residues were modified by the use of n-isopentylpyrrole, 5-methylthiophene or 5-isopropylthiazole heterocyclic building blocks in place of the usual n-methylpyrrole. the compounds were tested against five gram-positive ... | 2004 | 15505717 |
| [nosocomial pneumonia due to resistant enterobacter aerogenes]. | | 2004 | 15509050 |
| intestinal microflora in 45 crows in ueno zoo and the in vitro susceptibilities of 29 escherichia coli isolates to 14 antimicrobial agents. | microorganisms from 45 jungle crows (corvus macrorhynchos) captured from july to december 2002 at ueno zoo, tokyo were identified as escherichia coli, proteus mirabilis, klebsiella pneumoniae, klebsiella oxytoca, enterobacter aerogenes, enterobacter cloacae, enterobacter agglomerans, pseudomonas maltophila, staphylococcus spp., micrococcus spp., and streptococcus spp. e. coli showed the highest rate of isolation (21.6%). in an in vitro susceptibility test for 29 isolates of e. coli to 14 antimic ... | 2004 | 15528866 |
| influence of positive end-expiratory pressure (peep) on histopathological and bacteriological aspects of pneumonia during low tidal volume mechanical ventilation. | ventilatory strategies combining low tidal volume (v(t)) with positive end-expiratory pressure (peep) are considered to be lung protective. the influence of the peep level was investigated on bacteriology and histology in a model of ventilator-associated pneumonia. | 2004 | 15536527 |
| tem-121, a novel complex mutant of tem-type beta-lactamase from enterobacter aerogenes. | enterobacter aerogenes clinical isolate lor was resistant to penicillins and ceftazidime but susceptible to cefuroxime, cephalothin, cefoxitin, cefotaxime, ceftriaxone, and cefepime. pcr and cloning experiments from this strain identified a novel tem-type beta-lactamase (tem-121) differing by five amino acid substitutions from beta-lactamase tem-2 (glu104lys, arg164ser, ala237thr, glu240lys, and arg244ser) and by only one amino acid change from the extended-spectrum beta-lactamase (esbl) tem-24 ... | 2004 | 15561821 |
| histidine decarboxylase in enterobacteriaceae revisited. | with a modification of taylor's decarboxylation broth, histidine decarboxylase was detected in enterobacter aerogenes, morganella morganii, raoultella ornithinolytica, and some strains of citrobacter youngae and raoultella planticola. this method provides a useful confirmatory test for identification of e. aerogenes strains. | 2004 | 15583342 |
| [investigation of pathogenic bacteria for pulmonary infections and their drug resistance in neurological intensive care unit]. | to investigate the pathogenic bacterial spectrum responsible for pulmonary infections and their drug resistance in patients admitted to neurological care unit. | 2004 | 15604082 |
| antibacterial activity and specificity of the six human {alpha}-defensins. | we developed a kinetic, 96-well turbidimetric procedure that is capable of testing the antimicrobial properties of six human alpha-defensins concurrently on a single microplate. the defensins were prepared by solid-phase peptide synthesis and tested against gram-positive bacteria (staphylococcus aureus and bacillus cereus) and gram-negative bacteria (enterobacter aerogenes and escherichia coli). analysis of the growth curves provided virtual lethal doses (vlds) equivalent to conventional 50% let ... | 2005 | 15616305 |
| extended-spectrum beta-lactamase (esbl) producing enterobacter aerogenes phenotypically misidentified as klebsiella pneumoniae or k. terrigena. | enterobacter aerogenes and klebsiella pneumoniae are common isolates in clinical microbiology and important as producers of extended spectrum beta-lactamases (esbl). the discrimination between both species, which is routinely based on biochemical characteristics, is generally accepted to be straightforward. here we report that genotypically unrelated strains of e. aerogenes can be misidentified as k. pneumoniae by routine laboratories using standard biochemical identification and using identific ... | 2004 | 15619329 |
| [outbreak of enterobacter aerogenes in paediatric unit]. | within the framework of breast milk control the hygiene laboratory of brest hospital isolates, on 3 january 1996 a strain of enterobacter aerogenes secretory of cephalosporinase in the breast milk of a mother whose child was hospitalized in neonatalogy. on 15 april 1996 a new strain of e. aerogenes is isolated from another mother's breast milk. until 18 august 1997, 21 samples of breast milk were tested positive to this bacteria. during the same period, e. aerogenes was isolated in 26 children u ... | 2004 | 15619887 |
| antibacterial constituents from the berries of piper nigrum. | piper nigrum finds an extensive application in antibacterial preparations belonging to ayurvedic system of medicine. a bioguided extraction and fractionation of the petroleum ether extract of the berries of p. nigrum afforded 2e, 4e, 8z-n-isobutyleicosatrienamide (1), pellitorine (2), trachyone (3), pergumidiene (4) and isopiperolein b (5). pergumidiene and trachyone are isolated for the first time from p. nigrum. all the isolated compounds were active against bacillus subtilis, bacillus sphaeri ... | 2004 | 15636188 |
| [prosthetic valve endocarditis due to enterobacter aerogenes]. | | 2005 | 15639331 |
| detection and characterization of extended-spectrum beta-lactamases among bloodstream isolates of enterobacter spp. in hong kong, 2000-2002. | a total of 139 consecutive and non-duplicate bloodstream isolates of enterobacter spp. collected from inpatients in hong kong during 2000-2002 were studied for production of extended-spectrum beta-lactamases (esbls). | 2005 | 15681579 |
| vitreoscilla hemoglobin renders enterobacter aerogenes highly susceptible to heavy metals. | when expressed in heterologous microorganisms vitreoscilla hemoglobin (vhb) acts as oxygen storage and causes a higher oxygen uptake. in this study, the effect of this protein on growth, sensitivity and antioxidant properties of enterobacter aerogenes exposed to metal stress was investigated. the strain expressing vhb was more sensitive to mercury and cadmium as the minimal inhibitory concentration (mic) for these metals was up to 2-fold lower in this strain than the host and the recombinant str ... | 2004 | 15689114 |
| mutational analysis of beta-glucoside utilization in klebsiella aerogenes: evidence for the presence of multiple genetic systems. | | 2004 | 15689631 |
| inorganic polyphosphate in dictyostelium discoideum: influence on development, sporulation, and predation. | dictyostelium discoideum, a social slime mold that forms fruiting bodies with spores, depends on inorganic polyphosphate (poly p) for its cycles of development and for nutritional predation on bacteria. the synthesis of poly p, a polymer of tens or hundreds of phosphate residues linked by high energy, atp-like bonds, is catalyzed in most bacteria by poly p kinase (ppk1). the eukaryote d. discoideum possesses a homolog of ppk1. we report here that mutants of d. discoideum ppk1 (ddppk1) have reduc ... | 2005 | 15701689 |
| chloramphenicol and expression of multidrug efflux pump in enterobacter aerogenes. | chloramphenicol has been reported to act as an inducer of the multidrug resistance in escherichia coli. a resistant variant able to grow on plates containing 64 microg/ml chloramphenicol was obtained from the enterobacter aerogenes atcc 13048-type strain. chloramphenicol resistance was due to an active efflux of this antibiotic and it was associated with resistance to fluoroquinolones and tetracycline, but not to aminoglycoside or beta-lactam antibiotics. mdr in the chloramphenicol-resistant var ... | 2005 | 15707992 |
| (1)h nmr spectroscopy in the diagnosis of pseudomonas aeruginosa-induced urinary tract infection. | the utility of (1)h nmr spectroscopy is suggested and demonstrated for the diagnosis of pseudomonas aeruginosa in urinary tract infection (uti). the specific property of p. aeruginosa of metabolizing nicotinic acid to 6-hydroxynicotinic acid (6-ohna) is exploited. the quantity of 6-ohna produced correlates well with the viable bacterial count. other common bacteria causing uti such as escherichia coli, klebsiella pneumonia, enterobacter aerogenes, acinetobacter baumanii, proteus mirabilis, citro ... | 2005 | 15759292 |
| successive emergence of enterobacter aerogenes strains resistant to imipenem and colistin in a patient. | enterobacter aerogenes is an agent of hospital-acquired infection that exhibits a remarkable resistance to beta-lactam antibiotics during therapy. five successive isolates of e. aerogenes infecting a patient and exhibiting a multiresistance phenotype to beta-lactam antibiotics and fluoroquinolones were investigated. among these clinical strains, four presented resistant phenotypes during successive imipenem and colistin treatments. the involved resistance mechanisms exhibited by the successive i ... | 2005 | 15793111 |
| characterization of a novel nadp(+)-dependent d-arabitol dehydrogenase from the plant pathogen uromyces fabae. | we have identified and characterized a novel nadp(+)-dependent d-arabitol dehydrogenase and the corresponding gene from the rust fungus uromyces fabae, a biotrophic plant pathogen on broad bean (vicia faba). the new enzyme was termed ard1p (d-arabitol dehydrogenase 1). it recognizes d-arabitol and mannitol as substrates in the forward reaction, and d-xylulose, d-ribulose and d-fructose as substrates in the reverse reaction. co-factor specificity was restricted to nadp(h). kinetic data for the ma ... | 2005 | 15796718 |
| meningitis due to enterobacter aerogenes subsequent to resection of an acoustic neuroma and abdominal fat graft to the mastoid. | meningitis is an uncommon complication of neurosurgical procedures, with an incidence of 1.1% to 2.5%. although unusual, the frequency of nosocomial gram-negative meningitis appears to be increasing. gram-negative meningitis has been documented following disruption of the dura-arachnoid barrier secondary to trauma or surgery. the association of gram-negative bacillary meningitis with neurosurgical procedures was first reported in the 1940's. wolff et al. described the association between enterob ... | 2004 | 15798816 |
| cefamandole, a cephalosporin antibiotic with an unusually wide spectrum of activity. | the in vitro activity of cefamandole, 7-d-mandelamido-3-(1 methyl-1h-tetrazol-5 yethiomethyl)-3-cephem-4 carboxylic acid, was investigated. the majority of streptococci and pneumococci were inhibited by 0.1 mug/ml. activity against staphylococcus aureus was below that of cephalothin, but most strains were inhibited by 0.4 mug/ml. enterococci were not inhibited by less than 25 mug/ml. cefamandole was very active against most members of the enterobacteriaceae, with 70% of escherichia coli, 86% of ... | 1974 | 15828189 |
| effects of formate on fermentative hydrogen production by enterobacter aerogenes. | this paper describes the effects of formate on fermentative hydrogen production by enterobacter aerogenes by way of batch culture. when 20 mm formate was added to ph 6.3 and ph 5.8 e. aerogenes glucose cultures (formate culture) at the beginning of cultivation, hydrogen evolution through both glucose consumption and decomposition of the extrinsic formate occurred together, while hydrogen evolution occurred only through glucose consumption in the control cultures. the hydrogen evolution rates in ... | 2005 | 15830121 |
| increased expression of a bacterial phosphotriesterase in escherichia coli through directed evolution. | we devised a growth-based strategy for screening phosphotriesterase mutant libraries for variants with enhanced activity towards organophosphates that generate dimethyl phosphate when hydrolysed. phosphotriesterase mutants were screened for activity by growing transformed escherichia coli on agar plates containing methyl paraoxon as a sole phosphorus source. e. coli is capable of growth under these conditions when coexpressing the phosphotriesterase from agrobacterium radiobacter p230 (opda) and ... | 2005 | 15866732 |
| purification and properties of the klebsiella aerogenes uree metal-binding domain, a functional metallochaperone of urease. | klebsiella aerogenes uree, a metallochaperone that delivers nickel ions during urease activation, consists of distinct "peptide-binding" and "metal-binding" domains and a his-rich c terminus. deletion analyses revealed that the metal-binding domain alone is sufficient to facilitate urease activation. this domain was purified and shown to exhibit metal-binding properties similar to those of uree lacking only the his-rich tail. | 2005 | 15866948 |
| chemical compositions and antimicrobial activities of four different anatolian propolis samples. | propolis means a gum that is gathered by bees from various plants. it is known for its biological properties, having antibacterial, antifungal and healing properties. the aims of this study were to evaluate the antimicrobial activity of four different anatolian propolis samples on different groups of microorganisms including some oral pathogens and comparison between their chemical compositions. ethanol extracts of propolis (eep) were prepared from four different anatolian propolis samples and e ... | 2005 | 15881836 |
| the eefabc multidrug efflux pump operon is repressed by h-ns in enterobacter aerogenes. | the enterobacter aerogenes eefabc locus, which encodes a tripartite efflux pump, was cloned by complementation of an escherichia coli tolc mutant. e. aerogenes deltaacra expressing eefabc became less susceptible to a wide range of antibiotics. data from eef::lacz fusions showed that eefabc was not transcribed in the various laboratory conditions tested. however, increased transcription from peef was observed in an e. coli hns mutant. in addition, eefa was detected in e. aerogenes expressing a do ... | 2005 | 15901719 |
| antidiarrhoeal activity of the methanol extract of the barks of xylocarpus moluccensis in castor oil- and magnesium sulphate-induced diarrhoea models in mice. | the methanol (meoh) extract of the barks of xylocarpus moluccensis, and different fractions of this extract were studied for antidiarrhoeal activity using castor oil- and magnesium sulphate-induced diarrhoea models in mice. at the doses of 250 and 500 mg/kg, the meoh extract showed significant antidiarrhoeal activity in both models. the etoac fraction (eaf) and the residual meoh fraction (rmf) exhibited similar activity using a dose of 250 mg/kg in both models. no antidiarrhoeal activity was obs ... | 2005 | 15905054 |
| microorganisms and parasites in chronic infective diarrhea. | to reveal the pattern of microorganisms in chronic infective diarrhea cases. | 2004 | 15931720 |
| enterobacter meningitis: organism susceptibilities, antimicrobial therapy and related outcomes. | meningitis due to enterobacter species is an uncommon infection in adults; however, when present, treatment is frequently complicated by resistance of many enterobacter isolates to third-generation cephalosporins and poor central nervous system penetration of other antibiotics. the aim of this study was to retrospectively review cases of meningitis caused by enterobacter species at our institution, to better characterize patient factors, pathogen characteristics, and treatment options for this i ... | 2005 | 15936376 |
| multidrug resistance in gram-negative bacteria that produce extended-spectrum beta-lactamases (esbls). | in 1983, just two years after the introduction of the oxymino-beta-lactams to the market , the first extended-spectrum beta-lactamases were isolated in germany from klebsiella pneumoniae strains. since then several outbreaks have been reported in many european countries and the usa, and nowadays in several places worldwide the problem seems to reach endemic dimensions, with rates exceeding 50% in some countries, such as portugal and turkey. on the other hand not only k. pneumoniae but also esche ... | 2005 | 15953019 |
| spread of novel expanded-spectrum beta-lactamases in enterobacteriaceae in a university hospital in the paris area, france. | in 2002, 28 non-duplicate enterobacterial isolates producing extended-spectrum beta-lactamases (esbls) were collected from infected patients at the bicêtre hospital in paris, france. escherichia coli was the predominant esbl-positive enterobacterial species, comprising ten (36%) of the isolates. ctx-m enzymes (ctx-m-3, ctx-m-10, ctx-m-14 and ctx-m-15) were produced by 11 (39%) of the isolates (six e. coli, two enterobacter cloacae, one enterobacter aerogenes, one proteus mirabilis and one citrob ... | 2005 | 15966981 |
| aetiology of catheter-associated bacteriuria in lagos university teaching hospital. | a prospective study to determine the causative agents of catheter-related bacteriuria was carried out on 99 patients with median age of 55 years, on admission in the oncology, paediatric surgery and obstetric and gynaecology wards of the lagos university teaching hospital. there was significant bacteriuria in seventy-one (72%) of the 99 urine samples. all catheter urine samples were contaminated by day 5 gram-negative bacilli were predominant (89.3%) of which pseudomonas aeruginosa (26.2%) was t ... | 2005 | 15997255 |
| rapid detection of a gfp-marked enterobacter aerogenes under anaerobic conditions by aerobic fluorescence recovery. | a gfp- and kanamycin-resistance gene-containing plasmid pucgk was successfully constructed and transformed into enterobacter aerogenes to develop a rapid gfp-based method for quantifying the bacterial concentration under anaerobic conditions for production of biohydrogen. since the use of gfp as a molecular reporter is restricted by its requirement for oxygen in the development of the fluorophore, fluorescence detection for the fluorescent e. aerogenes grown anaerobically for hydrogen production ... | 2005 | 16006057 |
| transmembrane transcriptional control (surface signalling) of the escherichia coli fec type. | the ferric citrate transport system of escherichia coli is the first example of a transcription initiation mechanism that starts at the cell surface. the inducer, ferric citrate, binds to an outer membrane transport protein, and without further transport elicits a signal that is transmitted across the outer membrane, the periplasm, and the cytoplasmic membrane into the cytoplasm. signal transfer across the three subcellular compartments is mediated by the outer membrane transport protein that in ... | 2004 | 16102597 |
| a study on inhibitory effects of siğla tree (liquidambar orientalis mill. var. orientalis) storax against several bacteria. | in this study, siğla (liquidambar orientalis mill.) storax (styrax) was investigated for antibacterial activity against aeromonas hydrophila, bacillus amyloliquefaciens, b. brevis, b. cereus, b. megaterium, b. subtilis, corynebacterium xerosis, enterobacter aerogenes, enterococcus faecalis, escherichia coli, e. coli o157:h7, klebsiella pneumoniae, listeria monocytogenes, micrococcus luteus, mycobacterium smegmatis, proteus vulgaris, pseudomonas aeruginosa, p. fluorescens, staphylococcus aureus a ... | 2005 | 16114094 |
| a simplified method for assay of hydrogenase activities of h2 evolution and uptake in enterobacter aerogenes. | assay of hydrogenase activity pertaining to h2 production needs anaerobic conditions. to establish a simplified method for assay of hydrogenase activities by using intact cells of enterobater aerogenes, different chemicals capable of enhancing the cell-wall permeability to electron mediators were examined. as a result, triton x-100 and ctab were found to be appropriate for h2 uptake and evolution activities of the intact cells, respectively. this method enabled h2 uptake and evolution activities ... | 2005 | 16132849 |
| the susceptibility of certain bacterial strains to imidazotriazine derivatives. | the synthesized imidazo[2,1-c]triazines were tested for their antimicrobial activity. microbiological screening tests conducted in relation to 54 strains of gram-positive and 52 strains of gram-negative bacteria, 6 strains of yeast-like fungi and 3 strains of moulds showed significant activity of compound 19 against 52 gram-negative bacterial strains. this compound was active against 16 strains of escherichia coli, 12 strains of pseudomonas, 10 strains of proteus spp., 8 strains of klebsiella pn ... | 2004 | 16146057 |
| type 1 sphingosine 1-phosphate g protein-coupled receptor signaling of lymphocyte functions requires sulfation of its extracellular amino-terminal tyrosines. | the type 1 sphingosine 1-phosphate (s1p) g protein-coupled receptor (s1p1) transduces signals from s1p that mediate thymocyte emigration, t cell transmigration of lymph nodes, and t cell chemotaxis in tissues. alterations in expression of functional s1p1 receptors by lymphocytes are the major mechanisms controlling their responses to s1p and were thought to be solely a consequence of the balance between surface down-regulation and insertion. however, results now show that lack of sulfation of ty ... | 2005 | 16148028 |
| a solvent tolerant isolate of enterobacter aerogenes. | a solvent tolerant strain of enterobacter aerogenes was isolated from soil by cyclohexane enrichment. presence of cyclohexane (20%) in culture media prolonged the lag phase and caused reduction in biomass. transmission electron micrographs showed convoluted cell membrane and accumulation of solvent in case of the cells grown in cyclohexane. the enterobacter isolate was able to grow in the range of organic solvents having log p above 3.2 and also in presence of mercury, thus showing potential for ... | 2006 | 16154507 |
| investigations on anti-aspergillus properties of bacterial products. | to investigate the anti-aspergillus properties of bacterial products. | 2005 | 16162136 |
| production, acceptability and microbiological evaluation of weaning food formulations. | weaning food formulations were produced from pearl millet cultivar (sosat c-88), cowpea and groundnut in the ratio of 70:20:10 and 5 per cent malt from six pearl millet cultivars (sosat c-88, zango, ex-borno, icmv is 94206, gwagwa, gb 8735) and one sorghum cultivar (icsv iii) were added to produce seven formulations plus the one without malt. microbiological quality of eight weaning food formulations was evaluated. twenty weaning mothers were used to determine the acceptability of gruels from th ... | 2006 | 16169859 |
| inorganic polyphosphate in the social life of myxococcus xanthus: motility, development, and predation. | inorganic polyphosphate (poly p), a polymer of tens or hundreds of phosphate residues linked by high-energy, atp-like bonds, is found in all organisms and performs a wide variety of functions. myxococcus xanthus, a social bacterium that feeds on other bacteria and forms fruiting bodies and spores, depends on poly p for motility, development, and nutritional predation. two poly p metabolizing enzymes were studied in m. xanthus: poly p kinase 1, which synthesizes poly p reversibly from atp, and po ... | 2005 | 16174737 |
| bacterial species specificity in prou osmoinducibility and nptii and lacz expression. | reporter gene-based transcriptional fusions are increasingly being used to address questions in microbial ecology, with constitutively expressed fusions enabling microbe tracking and inducible fusions reporting the presence of environmental signals. to more readily apply this technology to a variety of bacterial species, we examined species specificity in the expression of three promoters of interest. a comparison of two potentially constitutive promoters, each fused to the reporter gene gfp, sh ... | 2004 | 16179797 |
| occurrence and regulation of the ferric citrate transport system in escherichia coli b, klebsiella pneumoniae, enterobacter aerogenes, and photorhabdus luminescens. | in escherichia coli k-12, transcription of the ferric citrate transport genes fecabcde is initiated by binding of diferric dicitrate to the outer membrane protein feca which elicits a signaling cascade from the cell surface to the cytoplasm. the feci sigma factor is only active in the presence of fecr, which transfers the signal across the cytoplasmic membrane. in other bacteria, fecira homologues control iron transport gene transcription by siderophores other than citrate. however, in most case ... | 2005 | 16193283 |
| metabolic activation of bladder procarcinogens, 2-aminofluorene, 4-aminobiphenyl, and benzidine by pseudomonas aeruginosa and other human endogenous bacteria. | pseudomonas aeruginosa, an opportunistic pathogen of the human urinary tract, and other selected human endogenous bacteria were investigated for metabolic activation of the bladder procarcinogens, 2-aminofluorene (2-af), 4-aminobiphenyl (4-ab), and benzidine (bz). the cell-free extracts of pseudomonas aeruginosa, escherichia coli, enterobacter aerogenes, proteus mirabilis, proteus vulgaris, staphylococcus epidermidis, staphylococcus saprophyticus, klebsiella pneumoniae, and intestinal anaerobes, ... | 2006 | 16203120 |
| clinical and molecular analysis of extended-spectrum {beta}-lactamase-producing enterobacteria in the community setting. | during a previous survey, five extended-spectrum beta-lactamase (esbl)-producing enterobacteria (esble) (two enterobacter aerogenes isolates expressing tem-24 b, two escherichia coli isolates expressing tem-21 or tem-24 b, and one klebsiella pneumoniae isolate expressing shv-4/tem-15) responsible for urinary tract infections (utis) were found among 1,584 strains collected from community patients. the aim of the present study was to elucidate the route of emergence of these typically nosocomial o ... | 2005 | 16207960 |
| microbial hydrogen production from sweet potato starch residue. | clostridium butyricum could produce hydrogen from a sweet potato starch residue upon supplementation of nitrogen sources. a repeated batch culture using a mixed culture of c. butyricum and enterobacter aerogenes produced hydrogen with a yield of 2.4 mol h2/mol glucose under a controlled culture ph of 5.25 in a medium consisting of the sweet potato starch residue and 0.1% polypepton without addition of any reducing agents. rhodobacter sp. m-19 produced hydrogen from the supernatant of the culture ... | 2001 | 16232947 |
| 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 ... | 2001 | 16233057 |
| high-yield production of hydrogen by enterobacter aerogenes mutants with decreased alpha-acetolactate synthase activity. | to enhance hydrogen (h2) production from glucose by enterobacter aerogenes hu-101, two mutants, strains vp-1 and vp-2, with decreased alpha-acetolactate synthase activity, were isolated using the voges-proskauer (vp) test. in ph-uncontrolled batch culture, both mutants showed a lower 2,3-butanediol yield for the glucose consumed than that shown by the wild-type strain, although glucose remained in the medium after 12 h of culture. in the same cultures, compared to the h2 yield of 0.80 mol/mol-gl ... | 2004 | 16233620 |
| antibiotic resistance in outpatient urinary isolates: final results from the north american urinary tract infection collaborative alliance (nautica). | the goal of the north american urinary tract infection collaborative alliance (nautica) study was to determine antibiotic susceptibility to commonly used agents for urinary tract infections against outpatient urinary isolates obtained in various geographic regions in the usa and canada. forty-one medical centres (30 from the usa and 11 from canada) participated, with each centre submitting up to 50 consecutive outpatient midstream urine isolates. isolates were identified to species level by the ... | 2005 | 16243229 |
| hydrogen and ethanol production from glycerol-containing wastes discharged after biodiesel manufacturing process. | h2 and ethanol production from glycerol-containing wastes discharged after a manufacturing process for biodiesel fuel (biodiesel wastes) using enterobacter aerogenes hu-101 was evaluated. the biodiesel wastes should be diluted with a synthetic medium to increase the rate of glycerol utilization and the addition of yeast extract and tryptone to the synthetic medium accelerated the production of h2 and ethanol. the yields of h2 and ethanol decreased with an increase in the concentrations of biodie ... | 2005 | 16243274 |
| identification of three urease accessory proteins that are required for urease activation in arabidopsis. | urease is a nickel-containing urea hydrolase involved in nitrogen recycling from ureide, purine, and arginine catabolism in plants. the process of urease activation by incorporation of nickel into the active site is a prime example of chaperone-mediated metal transfer to an enzyme. four urease accessory proteins are required for activation in klebsiella aerogenes. in plants urease accessory proteins have so far been only partially defined. using reverse genetic tools we identified four genes tha ... | 2005 | 16244137 |
| [purification and characterization of a uridine phosphorylase from enterobacter aerogenes eam-z1]. | a uridine phosphorylase(upase) was isolation from enterobacter aerogenes eam-z1 and purified by means of ammonium sulfate precipitation, deae-cellulose, phenyl-sepharose, deae-sepharose, fplc ion exchange, and sephacryl s-200 column chromatography. the purified upase showed homogeneity on the native polacrylamide gel electrophoresis. the upase is a trimer of 43 kd subunits. fifteen residues from the amino terminal end of upase were identified as mrmvdliatkrdgge. the isoelectric point was ph 4.46 ... | 2003 | 16279202 |
| [profiles of the utilization of 20 amino acids as the only source of nitrogen and carbon in bacteria of the genera klebsiella, enterobacter, serratia, escherichia]. | the profiles of the utilization of 20 protein amino acids in 118 klebsiella pneumoniae sub- sp. pneumoniae, k. oxytoca, k. planticola, k. mobilis, enterobacter cloacae, serratia marscescens, s. liquefaciens, escherichia coli strains isolated from clinical material were studied. the utilization of amino acids was determined on minimal saline agar containing amino acid as the only source of nitrogen and carbon; the results were evaluated after 72-hour incubation at 37 degrees c. 17 profiles of ami ... | 2005 | 16279526 |
| minimum leak size determination, under laboratory and commercial conditions, for bacterial entry into polymeric trays used for shelf-stable food packaging. | this study sought to determine the minimum leak size for entry of enterobacter aerogenes under laboratory conditions, and normal flora under commercial conditions, into tryptic soy broth with yeast extract (tsbye), homestyle chicken, and beef enchilada packaged in 355-ml polyethylene terephthalate/ethylene vinyl alcohol/polypropylene trays. channel leaks (diameters of 50 to 200 microm) were made across the sealing area of the trays. pinholes (diameters of 5 to 50 microm) were made by imbedding l ... | 2005 | 16300076 |
| differential activity of a lectin from solieria filiformis against human pathogenic bacteria. | a lectin isolated from the red alga solieria filiformis was evaluated for its effect on the growth of 8 gram-negative and 3 gram-positive bacteria cultivated in liquid medium (three independent experiments/bacterium). the lectin (500 microg/ml) stimulated the growth of the gram-positive species bacillus cereus and inhibited the growth of the gram-negative species serratia marcescens, salmonella typhi, klebsiella pneumoniae, enterobacter aerogenes, proteus sp, and pseudomonas aeruginosa at 1000 m ... | 2005 | 16302091 |
| hydrogen production from glucose by anaerobes. | various anaerobes were cultivated in media containing glucose. when 100 ml of thioglycollate medium containing 2.0% (w/v) glucose was used, clostridium butyricum atcc 859, nbrc 3315, and nbrc 13949 evolved 227-243 ml of biogas containing about 180 ml of hydrogen in 1 day. although some strains had some resistance against oxygen, c. butyricum atcc 859 and 860 did not have it. c. butyricum nbrc 3315 and enterobacter aerogenes nbrc 13534 produced hydrogen in the presence of glucose or pyruvic acid, ... | 2005 | 16321068 |
| acetylene reduction (nitrogen fixation) by enterobacteriaceae isolated from paper mill process waters. | using selective media containing galactitol, over 130 enterobacteriaceae have been isolated from paper mill process waters collected from different localities. these bacteria were extensively characterized and tested for acetylene-reducing (nitrogen-fixing) activity under anaerobic conditions. high activity was found in representatives of klebsiella pneumoniae, enterobacter aerogenes, enterobacter cloacae, erwinia herbicola, citrobacter freundii, citrobacter intermedius, and escherichia coli. un ... | 1976 | 16345168 |
| comparison of bacterial extracellular polymer extraction methods. | five different bacterial extracellular polymer extraction methods and a combination of two of these methods were compared on cultures of activated sludge, synthetic activated sludge, and klebsiella aerogenes. high-speed centrifugation was the most effective extraction method for the k. aerogenes culture, based on the comparatively small amount of cell disruption and the relatively high extracellular polymer yield. steaming treatment was the most effective extraction method for the activated slud ... | 1980 | 16345600 |
| adaptation to cadmium by klebsiella aerogenes growing in continuous culture proceeds mainly via formation of cadmium sulfide. | the adaptation of klebsiella aerogenes to high levels of cadmium was studied in continuous culture under conditions of glucose limitation. when up to 6 x 10 m cadmium was added to a culture in steady state, growth ceased instantaneously but resumed within 5 h (dilution rate, 0.1 h). when again in steady state, these adapted cells exhibited a far greater tolerance to cadmium than did unadapted cells (not previously exposed to cadmium) when tested on solid media containing different concentrations ... | 1982 | 16346119 |
| nitrogen-fixing bacteria from warty lenticellate bark of a mangrove tree, bruguiera gymnorrhiza (l.) lamk. | detached warty lenticellate bark of a mangrove tree species, bruguiera gymnorrhiza (l.) lamk. from iriomote island, okinawa, a subtropical region of japan, showed development of acetylene reduction activity when incubated in a mineral nutrient solution lacking nitrogen under an atmosphere consisting of 5% o(2), 90% n(2), and 5% c(2)h(2). the bacteria responsible for nitrogen fixation were isolated from the bark, and their capacity for acetylene reduction and the incorporation of n(2) into the ba ... | 1984 | 16346458 |
| microbial penetration through nutrient-saturated berea sandstone. | penetration times and penetration rates for a motile bacillus strain growing in nutrient-saturated berea sandstone cores were determined. the rate of penetration was essentially independent of permeabilities above 100 mdarcys and rapidly declined for permeabilities below 100 mdarcys. it was found that these penetration rates could be grouped into two statistically distinct classes consisting of rates for permeabilities above 100 mdarcys and rates for those below 100 mdarcys. instantaneous penetr ... | 1985 | 16346858 |
| cloning, expression, and purification of glutamine synthetase from clostridium acetobutylicum. | a glutamine synthetase (gs) gene, glna, from the gram-positive obligate anaerobe clostridium acetobutylicum was cloned on recombinant plasmid phz200 and enabled escherichia coli glna deletion mutants to utilize (nh(4))(2)so(4) as a sole source of nitrogen. the cloned c. acetobutylicum gene was expressed from a regulatory region contained within the cloned dna fragment. glna expression was subject to nitrogen regulation in e. coli. this cloned glna dna did not enable an e. coli glna ntrb ntrc del ... | 1986 | 16347143 |
| bacterial growth rates and competition affect nodulation and root colonization by rhizobium meliloti. | the addition of streptomycin to nonsterile soil suppressed the numbers of bacterial cells in the rhizosphere of alfalfa (medicago sativa l.) for several days, resulted in the enhanced growth of a streptomycin-resistant strain of rhizobium meliloti, and increased the numbers of nodules on the alfalfa roots. a bacterial mixture inoculated into sterile soil inhibited the colonization of alfalfa roots by r. meliloti, caused a diminution in the number of nodules, and reduced plant growth. enterobacte ... | 1986 | 16347173 |
| comparison of bacterial lipopolysaccharides by high-performance liquid chromatography. | a comparison of lipid-free polysaccharides from gram-negative bacteria was rapidly accomplished by using high-performance liquid chromatography of underivatized hydrolysates. examination of a number of such products revealed that, contrary to earlier reports, xanthomonas campestris lipopolysaccharide contained heptose, together with rhamnose and galactose, but not mannose. the polymers from the methanotrophs "methylomonas albus" and "methylosinus trichosporium" contained heptose and glucose, and ... | 1986 | 16347189 |
| chromosomal integration and expression of two bacterial alpha-acetolactate decarboxylase genes in brewer's yeast. | a bacterial gene encoding alpha-acetolactate decarboxylase, isolated from klebsiella terrigena or enterobacter aerogenes, was expressed in brewer's yeast. the genes were expressed under either the yeast phosphoglycerokinase (pgk1) or the alcohol dehydrogenase (adh1) promoter and were integrated by gene replacement by using cotransformation into the pgk1 or adh1 locus, respectively, of a brewer's yeast. the expression level of the alpha-acetolactate decarboxylase gene of the pgk1 integrant strain ... | 1991 | 16348559 |
| effects of grazing by the free-living soil amoebae acanthamoeba castellanii, acanthamoeba polyphaga, and hartmannella vermiformis on various bacteria. | cultures of 10 different bacteria were used to serve as food sources for axenically grown acanthamoeba castellanii, acanthamoeba polyphaga, and hartmannella vermiformis. the nonpigmented enterobacteriaceae escherichia coli k-12 and klebsiella aerogenes appeared to be excellent feed to all three amoebae. hardly any growth or ammonium production was observed in tests with chromatium vinosum and serratia marcescens, which share the presence of pigmented compounds. distinct differences in net ammoni ... | 1993 | 16349000 |
| sensitive rapid detection method for viable bacterial cells. | a rapid sensitive method for the detection of viable bacterial cells is described in which p as inorganic orthophosphate is used to label the cells. factors affecting the uptake of p by cells as well as the sensitivity of the method have been explored with suspensions of aerobacter aerogenes. the uptake of po(4) is dependent on several factors. of various incubation media tested, one composed of 0.005 m kcl, 0.002 m mgso(4) and 10 mg/ml of glucose was found to best stimulate the uptake of the tr ... | 1966 | 16349705 |
| biodegradation of dichlorodiphenyltrichloroethane: intermediates in dichlorodiphenylacetic acid metabolism by aerobacter aerogenes. | | 1967 | 16349773 |
| isolation of pectinolytic strains of aerobacter aerogenes. | | 1967 | 16349784 |
| enterobacteria in feedlot waste and runoff. | samples of beef cattle feedlot waste (flw), runoff from the pens, and water from a large drainage ditch at the feedlot were examined for enterobacteriaceae. the drainage ditch receives the runoff but contains primarily subsurface drainage from fields on which flw is spread for disposal. planting and enrichment techniques with seven different media were used to isolate 553 cultures of enterobacteria. flw contains about 50 million enterobacteria/g dry weight. more than 90% of these were escherichi ... | 1972 | 16349932 |
| effect of 1-(1-naphthylmethyl)-piperazine, a novel putative efflux pump inhibitor, on antimicrobial drug susceptibility in clinical isolates of enterobacteriaceae other than escherichia coli. | 1-(1-naphthylmethyl)-piperazine (nmp) has been shown to reverse multidrug resistance (mdr) in escherichia coli overexpressing rnd type efflux pumps, but there is no data on its activity in enterobacteriaceae other than e. coli. | 2006 | 16354746 |
| determination of the antimicrobial properties of oligo-2-hydroxy-1-naphthaldehyde. | oligo-2-hydroxy-1-naphthaldehyde (ohna) was synthesized by oxidative polycondensation using h2o2 (35%, aqueous solution), air o2 and naocl (34%, aqueous solution) by kaya and senol and the products were characterized by spectral techniques. antimicrobial activities of the first and second fractions of ohna were tested against corynobacterium xerosis ccm 2824, proteus vulgaris atcc 6897, staphylococcus epidermidis nrrl b-4877, s. aureus atcc 6538, enterobacter aerogenes atcc 13048, salmonella thy ... | 2005 | 16355978 |
| distribution of a transposon-like element carrying bla(cmy-2) among salmonella and other enterobacteriaceae. | the dissemination of cephamycin resistance in enterobacteriaceae and its correlation with a transposon-like dna element consisting of a specific tnpa-bla(cmy-2)-blc-suge structure were investigated. | 2006 | 16396917 |
| high-dose cefepime as an alternative treatment for infections caused by tem-24 esbl-producing enterobacter aerogenes in severely-ill patients. | this study evaluated retrospectively the efficacy of treatment with cefepime vs. a carbapenem, in combination with amikacin or ciprofloxacin, for seriously-ill patients infected with esbl-producing enterobacter aerogenes who were admitted to an intensive care unit. forty-four episodes of infection were investigated in 43 patients: 21 treated with cefepime; 23 with a carbapenem. the two treatment groups did not differ statistically in terms of age, apache ii scores, and infection sites, but the a ... | 2006 | 16460547 |
| genetic modification of bacillus subtilis for production of d-chiro-inositol, an investigational drug candidate for treatment of type 2 diabetes and polycystic ovary syndrome. | d-chiro-inositol (dci) is a drug candidate for the treatment of type 2 diabetes and polycystic ovary syndrome, since it improves the efficiency with which the body uses insulin and also promotes ovulation. here, we report genetic modification of bacillus subtilis for production of dci from myo-inositol (mi). the b. subtilis iolabcdefghij operon encodes enzymes for the multiple steps of the mi catabolic pathway. in the first and second steps, mi is converted to 2-keto-mi (2kmi) by iolg and then t ... | 2006 | 16461681 |
| induction by klebsiella aerogenes of a melanin-like pigment in cryptococcus neoformans. | while studying the interaction of cryptococcus neoformans with dictyostelium discoideum, we noticed that yeast colonies in agar with a feeder lawn of klebsiella aerogenes were brown. this finding was intriguing because c. neoformans colonies are not pigmented unless they are provided with precursors for melanization. strains of all c. neoformans serotypes produced brown pigment in response to k. aerogenes at 22, 30, and 37 degrees c. pigment production required fungal laccase and was suppressed ... | 2006 | 16461709 |
| enterobacter gergoviae and the prevalence of efflux in parabens resistance. | in order to characterize the mechanism involved in parabens resistance, we studied 13 enterobacter gergoviae collected from diverse cosmetic formulations containing parabens as preservatives and 10 isolates from clinical or industrial sources. | 2006 | 16473920 |
| [phenotypic and genotypic characterization of resistance to third-generation cephalosporins in enterobacter spp]. | enterobacter spp. are becoming increasingly frequent nosocomial pathogens with multiple resistance mechanism to beta-lactam antibiotics. we carried out the phenotypic and genotypic characterization of beta-lactamases in 27 enterobacter spp. (25 enterobacter cloacae y 2 enterobacter aerogenes), as well as the ability of different extended spectrum-lactamase (esbl) screening methods. resistance to third generation cephalosporins was observed in 15/27 (63%) isolates. twelve resistant isolates produ ... | 2005 | 16502641 |
| serum bacteriostasis of staphylococcus aureus. | serum bacteriostasis of staphylococcus aureus was characterized quantitatively and quantitatively. bacteriostasis was proportional to the concentration of serum. reproducibility was good; freezing and thawing did not materially affect the end point. four of six different strains, including the propagating s. aureus strain for phage 73 which does not produce coagulase, were susceptible to serum bacteriostasis in similar titers; two were not susceptible at all. all six strains were effective inhib ... | 1971 | 16558034 |
| two rapid methods for distinguishing between escherichia coli and aerobacter aerogenes. | | 1932 | 16559537 |
| a note concerning the effect of a specific environment on the characteristics and viability of several strains of aerobacter aerogenes and escherichia coli. | | 1932 | 16559589 |
| a comparison of the metabolic activities of aerobacter aerogenes, eberthella typhi and escherichia coli. | | 1937 | 16559984 |
| the increased resistance of aerobacter aerogenes to sodium pentachlorophenate. | | 1943 | 16560668 |
| some effects of metallic ions on the metabolism of aerobacter aerogenes. | | 1945 | 16560909 |
| growth of eberthella typhosa and aerobacter aerogenes in association in tetrathionate broth. | | 1945 | 16560963 |
| note on ph tolerance of aerobacter aerogenes and aerobacillus macerans as related to natural ecology and decomposition of acid food products. | | 1946 | 16561077 |
| the production of 2,3-butylene glycol by aerobacter aerogenes 199. | | 1948 | 16561449 |
| control of ethanol dehydrogenase levels in aerobacter aerogenes. | | 1961 | 16561903 |
| antibiotic properties of acrylic acid, a factor in the gastrointestinal antibiosis of polar marine animals. | sieburth, john mcneill (virginia polytechnic institute, blacksburg, va.). antibiotic properties of acrylic acid, a factor in the gastro-intestinal antibiosis of polar marine animals. j. bacteriol. 82:72-79. 1961.-observations were made on acrylic acid to study some of the antibiotic, chemical, and physical properties of this volatile acid which occurs at a concentration of 8% (dry weight) in the marine alga phaeocystis pouchetii. the sodium salt inhibited both gram-positive and gram-negative bac ... | 1961 | 16561916 |
| s-adenosylmethionine in the biosynthesis of bacterial fatty acids. | o'leary, william m. (cornell university medical college, new york, n.y.). s-adenosylmethionine in the biosynthesis of bacterial fatty acids. j. bacteriol. 84:967-972. 1962.-the fatty-acid contents of a wild strain of aerobacter aerogenes and of three auxotrophic mutants were determined by the use of gas-liquid chromatography. all strains studied exhibited essentially identical fatty-acid spectra. this organism was shown to contain large amounts of a c(17) cyclopropane fatty acid, and it is sugge ... | 1962 | 16561975 |
| urinary tract infection and hyperbilirubinemia. | the aim of this study was to evaluate the incidence of urinary tract infection (uti) in newborns with asymptomatic, unexplained indirect hyperbilirubinemia in the first two weeks of life. jaundiced infants, otherwise clinically well, less than two weeks of ages, with a total bilirubin level above 15 mg/dl were eligible for the study. a bilirubin work-up including glucose-6-phosphate dehydrogenase (g-6 pd) level, as well as urinalysis and a urine culture were performed in all patients. patients w ... | 2006 | 16562786 |