Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| [bacteriological profile and antibiotic resistance of bacteria isolates in a burn department]. | nosocomial infections remain the main cause of morbidity and mortality in burn patients. ongoing surveillance of infections in burned patients is essential to detect changes in epidemiology and to guide better empirical antibiotherapy and infection control policies. the aim of this study is to analyze the bacterial flora and the antibiotic resistance of isolates in a burn department during a two year period | 2008 | 19213512 |
| deafness on the island of providencia - colombia: different etiology, different genetic counseling. | providencia is a small island located in the caribbean ocean, northwest of colombia with an unusually high frequency of individuals with hearing loss (5 in 1,000) is present. the hearing loss in the island was characterized as non-syndromic autosomal recessive deafness accounting for 47% (8/17) of the deaf population, waardenburg syndrome (deafness associated with pigmentary anomalies) for 29% (5/17), and the remaining 24% (4/17) are cases of sporadic non-syndromic deafness. for appropriate gene ... | 2008 | 19239084 |
| tigecycline. | infection with resistant pathogens can adversely affect clinical, microbiological and economic outcomes. new agents for the treatment of many such serious infections are acutely needed in hospital practice. tigecycline is a novel glycylcycline antimicrobial for intravenous use. it has an expanded broad-spectrum antibacterial activity including multi-drug resistant pathogens, like methicillin-resistant staphylococcus aureus , vancomycin-resistant enterococci , multi-drug resistant streptococcus p ... | 2009 | 19242083 |
| catheter-related urinary tract infection in patients suffering from spinal cord injuries. | urinary tract infection is commoner in patients with spinal cord injuries because of incomplete bladder emptying and the use of catheters that can result in the introduction of bacteria into the bladder. 145 patients suffering from spinal cord injuries, admitted to the institute for physical medicine and rehabilitation, centre for paraplegia of the clinical centre of the university of sarajevo, were included. the patients were divided in three groups according to the method of bladder drainage: ... | 2009 | 19284388 |
| anti-inflammatory effects of the gorgonian pseudopterogorgia elisabethae collected at the islands of providencia and san andrés (sw caribbean). | abstract: | 2009 | 19284567 |
| biofilm evidence and the microbial diversity of horse wounds. | evidence of biofilms in human chronic wounds are thought to be responsible for preventing healing in a timely manner. however, biofilm evidence in horse wounds has not yet been documented. consequently, this study aimed to determine whether biofilms could be detected in wounds, and to investigate the microbiology of chronic wounds in horses. prior to analysis, wound surfaces were irrigated with 5 ml of sterile saline to remove debris. all wounds were swabbed twice (1 cm2 area) using sterile cott ... | 2009 | 19295652 |
| antibiotic susceptibility pattern of staphylococcus species isolated from telephone receivers. | microorganisms are transferred to everyday objects from the environment and infected individuals. pathogenic microbes are transmissible from the air, skin, hands and other interpersonal contacts and cause diseases most of the time. this study centres on the microbial assessment of telephone receivers, their ability to transfer bacterial infections and the isolation of these microorganisms from receivers, with an emphasis on staphylococcus aureus and its antibiotic susceptibility pattern. | 2009 | 19296038 |
| novel ctx-m {beta}-lactamase genotype distribution and spread into multiple species of enterobacteriaceae in changsha, southern china. | the aim of this study was to undertake a survey of the occurrence of ctx-m and shv extended-spectrum beta-lactamase (esbl) genotypes in enterobacteriaceae from hunan province, china. | 2009 | 19297379 |
| molecular characterisation of the reca locus in clinical isolates of verocytotoxigenic e. coli o157:h7. | molecular epidemiology of verocytoxigenic escherichia coli o157:h7 is important to help elucidate reservoirs and modes of transmission, particularly between animals and humans. as the reca gene locus is now beginning to gain application in bacterial genotyping schemes, and as it has not been examined previously in e. coli o157 isolates, this study aims to examine potential polymorphic variation as a possible epidemiological marker for the subspecies characterisation of clinically significant ver ... | 2009 | 19348125 |
| saccular lung cannulation in a ball python (python regius) to treat a tracheal obstruction. | an adult male ball python (python regius) presented in a state of severe dyspnea characterized by open-mouth breathing and vertical positioning of the head and neck. the animal had copious discharge in the tracheal lumen acting as an obstruction. a tube was placed through the body wall into the caudal saccular aspect of the lung to allow the animal to breathe while treatment was initiated. the ball python's dyspnea immediately improved. diagnostics confirmed a bacterial respiratory infection wit ... | 2009 | 19368267 |
| providencia sneebia sp. nov. and providencia burhodogranariea sp. nov., isolated from wild drosophila melanogaster. | multiple isolates of the genus providencia were obtained from the haemolymph of wild-caught drosophila melanogaster fruit flies. sixteen isolates were distinguished from the six previously described species based on 16s rrna gene sequences. these isolates belonged to two distinct groups, which we propose each comprise previously undescribed species. two isolates, designated a(t) and b(t), were characterized by dna sequences of the fusa, lepa, leus, gyrb and iles housekeeping genes, whole-genome ... | 2009 | 19406801 |
| [culture and tradition of the inhabitants of san andrés y providencia]. | 1999 | 19437803 | |
| antibiotic resistance of gram negatives isolates from loggerhead sea turtles (caretta caretta) in the central mediterranean sea. | previous studies on fish and marine mammals support the hypothesis that marine species harbor antibiotic resistance and therefore may serve as reservoirs for antibiotic-resistance genetic determinants. the aim of this study was to assess the resistance to antimicrobial agents of gram negative strains isolated from loggerhead sea turtles (carettacaretta). oral and cloacal swabs from 19 live-stranded loggerhead sea turtles, with hooks fixed into the gut, were analyzed. the antimicrobial resistance ... | 2009 | 19473669 |
| emergence of extended-spectrum beta-lactamase per-1 in proteus vulgaris and providencia stuartii isolates from algiers, algeria. | 2009 | 19546365 | |
| crystalline bacterial biofilm formation on urinary catheters by urease-producing urinary tract pathogens: a simple method of control. | the problem of catheter encrustation stems from infection by urease-producing bacteria. these organisms generate ammonia from urea, elevate the ph of urine and cause crystals of calcium and magnesium phosphates to form in the urine and the biofilm that develops on the catheter. in this study, a laboratory model was used to compare the ability of 12 urease-positive species of urinary tract pathogens to encrust and block catheters. proteus mirabilis, proteus vulgaris and providencia rettgeri were ... | 2009 | 19556373 |
| [bacterial antigen polysaccharides. 43. structure of o-specific polysaccharide of providencia alcalifaciens o46]. | acid o-specific polysaccharide containing d-glucose, d-glucuronic acid, l-fucose, and 2-acetamido-2-deoxy-d-glucose was obtained by mild acid degradation of lipopolysaccharide from providencia alcalifaciens o46. consideration of the data revealed the following structure of the hexasaccharide repeating unit of o-specific polysaccharide under methylation analyses along with (1)h and (13)c nmr spectroscopy, including 2d (1)h, (1)h-cosy, tocsy-, roesy-,(1)h, (13)c-hsqc-, and hmqc-tocsy experiments: ... | 2009 | 19621056 |
| [multicenter study on the monitoring of in vitro susceptibility to tigeeyeline in santiago, chile]. | the objective of this multicenter study was to determine tigecycline susceptibility rates, measured by agar diffusion, in nine hospitals in santiago and to compare these rates with other antimicrobials. each center studied 20 strains per month. all intermediate and fully resistant strains as well as 10% of susceptibile strains were also studied by the broth microdilution method. overall, 2301 strains were studied displaying the following susceptibility rates for tigecycline: 100% for streptococc ... | 2009 | 19621154 |
| corallolides a and b: bioactive diterpenes featuring a novel carbon skeleton. | corallolides a (1) and b (2) are naturally occurring diterpenes isolated from the caribbean gorgonian octocoral pseudopterogorgia bipinnata collected near providencia island, colombia. their tricyclic structures are based on a uniquely substituted bicyclo[9.2.1]tetradecane ring system that was established through detailed spectroscopic analysis. compounds 1 and 2 were shown to exhibit antiparasitic and antituberculosis activity, respectively. | 2009 | 19637917 |
| n-(1-carboxyethyl)alanine (alanopine), a new non-sugar component of lipopolysaccharides of providencia and proteus. | o-polysaccharides were released by mild acid degradation of lipopolysaccharides of providencia alcalifaciens o35 and proteus vulgaris o76 and were studied by 1d and 2d (1)h and (13)c nmr spectroscopies, including hmbc and noesy (roesy) experiments. both polysaccharides were found to contain n-(1-carboxyethyl)alanine (alanopine) that is n-linked to 4-amino-4,6-dideoxyglucose. analysis of published data [vinogradov, e.; perry, m. b. eur. j. biochem.2000, 267, 2439-2446] shows that alanopine is pre ... | 2009 | 19651402 |
| identification of a modular pathogenicity island that is widespread among urease-producing uropathogens and shares features with a diverse group of mobile elements. | pathogenicity islands (pais) are a specific group of genomic islands that contribute to genomic variability and virulence of bacterial pathogens. using a strain-specific comparative genomic hybridization array, we report the identification of a 94-kb pai, designated icepm1, that is common to proteus mirabilis, providencia stuartii, and morganella morganii. these organisms are highly prevalent etiologic agents of catheter-associated urinary tract infections (cauti), the most common hospital acqui ... | 2009 | 19687197 |
| prevalence and characteristics of cytolethal distending toxin-producing escherichia coli from children with diarrhea in japan. | in the present study, we examined the prevalence and characteristics of ctec among diarrheal children in japan during a year-long surveillance study. a pcr-rflp assay for the detection and differentiation of five types of e. coli cdtb gene (types i through v) was developed, and 362 stool specimens collected from patients reporting to pediatric departments in two hospitals were analyzed. of the 35 samples (9.7%) that were positive for the cdtb gene, 21 were positive for cdt-i, three for cdt-ii, f ... | 2009 | 19714857 |
| [formation of biofilms by fecal strains of enterobacteria and yeast fungi from candida genus]. | to assess the ability of bacteria and candida genus' yeast fungi from human fecal microflora to form biofilms. | 2009 | 19715202 |
| extended-spectrum beta-lactamases among enterobacteriaceae isolated in a public hospital in brazil. | extended-spectrum beta-lactamases (esbl) in enterobacteria are recognized worldwide as a great hospital problem. in this study, 127 esbl-producing enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at são paulo, brazil, were submitted to analysis by pcr with specific primers for bla shv, bla tem and bla ctx-m genes. from the 127 isolates, 96 (75.6%) klebsiella pneumoniae, 12 (9.3%) escherichia coli, 8 (6.2%) morganella morganii, 3 (2.3%) proteus ... | 2009 | 19739000 |
| health assessment of a spiny-tailed lizard (uromastyx spp.) population in abu dhabi, united arab emirates. | a study was conducted to determine the health status of the free-living spiny-tailed lizard (uromastyx spp.) population at wrsan, al ajban, abu dhabi, united arab emirates. a total of 90 spiny-tailed lizards, 61 males and 29 females, were examined from june to august 2006. mean body weights were 1,564.4 g and 809.4 g for males and females, respectively. mean body lengths were 62.1 cm and 49.4 cm for males and females, respectively. fourteen lizards were found with abnormalities including abscess ... | 2009 | 19746858 |
| antimicrobial resistance of staphylococcus aureus isolated from the intensive care unit of a general hospital in southern brazil. | staphylococcus aureus is recognized as a major cause of nosocomial infections worldwide. the aim of this study was to evaluate the antimicrobial resistance of s. aureus isolates and the possible changes of the resistance patterns after the implementation of norms of hospital infection control. | 2009 | 19762968 |
| the susceptibility of nosocomial pathogens to ceftazidime. | the activities in vitro of ceftazidime and of cefuroxime have been compared against 201 strains of bacteria which had been isolated either from outbreaks of nosocomial infection or were typical of strains causing such outbreaks. ceftazidime was found to be about 1000 times more active against pseudomonas spp. and proteus vulgaris, and between 10 and 100 times more active against klebsiella pneumoniae, enterobacter spp., citrobacter freundii, serratia marcescens, proteus rettgeri, proteus morgani ... | 1981 | 19802966 |
| novel vim metallo-beta-lactamase variant from clinical isolates of enterobacteriaceae from algeria. | five different strains of bacteria belonging to the family enterobacteriaceae were isolated from two patients hospitalized in the intensive care unit of the central military hospital of algiers, algeria. all five strains, one providencia stuartii strain, two escherichia coli strains, and two klebsiella pneumoniae strains, were intermediate or resistant to all beta-lactams, including carbapenems. synergy between imipenem and edta was observed for all five strains. the results of the pcr experimen ... | 2010 | 19901092 |
| automatic implantable cardioverter defibrillator pocket infection due to providencia rettgeri: a case report. | coagulase-negative staphylococci and staphylococcus aureus are the commonest pathogens involved in infections of pacemaker-defibrillator systems. among causative gram-negative bacteria, infections due to klebsiella, serratia, pseudomonas, acinetobacter and other species have been reported. we report herein a unique case of an automatic implantable cardioverter defibrillator infection due to providencia rettgeri in a 65-year-old male who was admitted to our service with bacteremia and infection o ... | 2009 | 19918391 |
| [bacterial diversity recovered from qiyi glacier and runoff, qilian mts]. | abundance and species diversity of bacteria were investigated respectively by epifluorescence microscope, the culture method and the analysis of 16s rdna genes, with snow and runoff samples from qiyi glacier in the qilian mts. according to the results, the total microbial cells and bacterial cfu range from 10(3) to 10(5) cells x ml(-1) and 0-600 cfu x ml(-1), respectively. the 16s rdna gene of 22 bacterial isolates recovered from snow and runoff samples belong to following groups: bacteroidetes, ... | 2009 | 19927833 |
| heterotrophic ammonium removal characteristics of an aerobic heterotrophic nitrifying-denitrifying bacterium, providencia rettgeri yl. | bacterium providencia rettgeri yl was found to exhibit an unusual ability to heterotrophically nitrify and aerobically denitrify various concentrations of ammonium (nh4+-n). in order to further understand its removal ability, several experiments were conducted to identify the growth and ammonium removal response at different carbon to nitrogen (c/n) mass ratios, shaking speeds, temperatures, ammonium concentrations and to qualitatively verify the production of nitrogen gas using gas chromatograp ... | 2009 | 19999986 |
| [local control treatment of bacteria found present in an infected bed sore by means of a hydropolymer dressing with ionic silver]. | every chronic wound has microorganisms present on its surface and therefore, its contamination is universal and unavoidable, but the majority of these wounds are not infected. it is important, therefore, to refine the diagnosis of infection indentifying the microorganisms which have succeeded in gaining access to the submarginal tissues in order to be able to prevent unnecessary or inappropriate antibiotic treatment and to lessen possible complications. a high level of bacteria present, close to ... | 2009 | 20014620 |
| genotype and gene expression associations with immune function in drosophila. | it is now well established that natural populations of drosophila melanogaster harbor substantial genetic variation associated with physiological measures of immune function. in no case, however, have intermediate measures of immune function, such as transcriptional activity of immune-related genes, been tested as mediators of phenotypic variation in immunity. in this study, we measured bacterial load sustained after infection of d. melanogaster with serratia marcescens, providencia rettgeri, en ... | 2010 | 20066029 |
| heterotrophic nitrogen removal by providencia rettgeri strain yl. | providencia rettgeri strain yl was found to be efficient in heterotrophic nitrogen removal under aerobic conditions. maximum removal of nh(4) (+)-n occurred under the conditions of ph 7 and supplemented with glucose as the carbon source. inorganic ions such as mg(2+), mn(2+), and zn(2+) largely influenced the growth and nitrogen removal efficiency. a quantitative detection of nitrogen gas by gas chromatography was conducted to evaluate the nitrogen removal by strain yl. from the nitrogen balance ... | 2010 | 20333440 |
| metallo-β-lactamases among enterobacteriaceae from routine samples in an italian tertiary-care hospital and long-term care facilities during 2008. | the emergence of metallo-β-lactamase (mbl)-producing enterobacteriaceae is a serious public health concern. producers have been repeatedly isolated from patients and long-term care facility (ltcf) residents around bolzano, and we sought to assess their prevalence and clinical impact. all routine enterobacteriaceae isolates from a bolzano tertiary-care hospital and associated long-term care facilities in 2008 (n = 5500) were screened for mbls, with case details reviewed for the source patients. i ... | 2011 | 20345467 |
| species differentiation of seafood spoilage and pathogenic gram-negative bacteria by maldi-tof mass fingerprinting. | species differentiation is important for the early detection and identification of pathogenic and food-spoilage microorganisms that may be present in fish and seafood products. the main 26 species of seafood spoilage and pathogenic gram-negative bacteria, including aeromonas hydrophila, acinetobacter baumanii, pseudomonas spp., and enterobacter spp. among others, were characterized by matrix-assisted laser desorption ionization-time of flight mass spectrometry (maldi-tof ms) of low molecular wei ... | 2010 | 20408567 |
| recovery and screening for antibiotic susceptibility of potential bacterial pathogens from the oral cavity of shark species involved in attacks on humans in recife, brazil. | the number of incidents involving sharks and humans at beaches in recife, on the north-eastern brazilian coast, is among the highest worldwide. in addition, wound infections in survivors are common; but the nature and risk of the aetiological agents is unknown. in the present study, 81 potential bacterial pathogens were identified in the oral cavity of sharks involved in attacks in recife, and were subjected to antibiotic susceptibility tests using the standardized disc-diffusion method. the maj ... | 2010 | 20413619 |
| antibiotic resistance patterns of bacterial strains isolated from periplaneta americana and musca domestica in tangier, morocco. | flies and cockroaches are two insects in close contact with human beings. they are carriers of human pathogenic bacteria on the external areas of their bodies or in their digestive tracts. this study examines periplaneta americana and musca domestica collected from the residential areas of six districts in tangier, morocco. | 2010 | 20440055 |
| structure of the o-polysaccharide from the lipopolysaccharide of providencia alcalifaciens o12. | the o-polysaccharide was obtained by mild acid degradation of the lipopolysaccharide of providencia alcalifaciens o12. its structure was studied by sugar analysis using glc of the alditol acetates and (s)-2-octyl glycosides, methylation analysis, smith degradation, and (1)h and (13)c nmr spectroscopy, including 2d (1)h-(1)h cosy, tocsy, roesy, (1)h-(13)c hsqc, and hmbc experiments. it was found that the polymer is a neutral heteropolysaccharide and has a branched heptasaccharide repeating unit w ... | 2010 | 20471004 |
| mannose production from fructose by free and immobilized d-lyxose isomerases from providencia stuartii. | a recombinant d-lyxose isomerase from providencia stuartii was immobilized on duolite a568 beads which gave the highest conversion of d-fructose to d-mannose among the various immobilization beads evaluated. maximum activities of both the free and immobilized enzymes for fructose isomerization were at ph 7.5 and 45 degrees c in the presence of 1 mm mn(2+). enzyme half-lives were 14 and 30 h at 35 degrees c and 3.4 and 5.1 h at 45 degrees c, respectively. the immobilized enzyme in 300 g fructose/ ... | 2010 | 20480207 |
| volatiles emitted from eight wound-isolated bacteria differentially attract gravid screwworms (diptera: calliphoridae) to oviposit. | bovine blood inoculated with bacteria isolated from screwworm [cochliomyia hominivorax (coquerel) (diptera: calliphoridae)]-infested animal wounds was tested as an attractant for oviposition for gravid screwworms. eight species of gram-negative coliform (enterobacteriaceae) bacteria mixed with bovine blood singly or all species combined and incubated for various times produced volatiles that attracted gravid flies in a cage bioassay in varying numbers. in 15-min duration tests, volatiles from fi ... | 2010 | 20496582 |
| substrate specificity of a recombinant d-lyxose isomerase from providencia stuartii for monosaccharides. | the specific activity and catalytic efficiency (k(cat)/k(m)) of the recombinant putative protein from providencia stuartii was the highest for d-lyxose among the aldose substrates, indicating that it is a d-lyxose isomerase. gel filtration analysis suggested that the native enzyme is a dimer with a molecular mass of 44 kda. the maximal activity for d-lyxose isomerization was observed at ph 7.5 and 45 degrees c in the presence of 1 mm mn(2+). the enzyme exhibited high isomerization activity for a ... | 2010 | 20541111 |
| female and male genetic contributions to post-mating immune defence in female drosophila melanogaster. | post-mating reduction in immune defence is common in female insects, and a trade-off between mating and immunity could affect the evolution of immunity. in this work, we tested the capacity of virgin and mated female drosophila melanogaster to defend against infection by four bacterial pathogens. we found that female d. melanogaster suffer post-mating immunosuppression in a pathogen-dependent manner. the effect of mating was seen after infection with two bacterial pathogens (providencia rettgeri ... | 2010 | 20573620 |
| antibiotic resistance of gram negative bacilli strains isolated from the intensive care unit in fundeni clinical institute, bucharest, romania. | the aim of this study was to investigate the antibiotic resistance profile of 58 gram negative bacilli strains (gnb): 36 non-fermentative gnb (ngnb), including 19 strains of acinetobacter spp., 11 of pseudomonas aeruginosa, 6 of stenotrophomonas maltophilia and 22 enterobacterial strains (14 strains of kehss, 6 belonging to the group proteus-providencia and 2 escherichia coli) isolated from nasal, pharyngeal exudates and also from bronchial secretions, from immuno-depressed patients admitted in ... | 2009 | 20583477 |
| enterocyte-like caco-2 cells as a model for in vitro studies of diarrhoeagenic providencia alcalifaciens invasion. | the entry of providencia alcalifaciens into the enterocyte-like cell line caco-2 compared to hep-2 was studied. of the 22 p. alcalifaciens strains, 13 and 21 were invasive for caco-2 and hep-2 cells, respectively. in contrast to hep-2 cells, p. alcalifaciens was internalised by caco-2 cells via receptor-mediated endocytosis. tyrosine kinases play an important role in p. alcalifaciens uptake, also microfilaments and microtubules are engaged in this process. inhibition of endosome acidification by ... | 2010 | 20600792 |
| a risk for returned travellers: the "post-antibiotic era". | 2010 | 20618119 | |
| images in cardiovascular medicine. bacterial pericarditis due to providencia stuartii: an atypical case of relapsing pericarditis. | 2010 | 20660810 | |
| implication of porins in beta-lactam resistance of providencia stuartii. | an integrative approach combining biophysical and microbiological methods was used to characterize the antibiotic translocation through the outer membrane of providencia stuartii. two novel members of the general bacterial porin family of enterobacteriaceae, named omppst1 and omppst2, were identified in p. stuartii. in the presence of ertapenem (ert), cefepime (fep), and cefoxitin (fox) in growth media, several resistant derivatives of p. stuartii atcc 29914 showed omppst1-deficiency. these pori ... | 2010 | 20667831 |
| production of biogenic amines "in vitro" in relation to the growth phase by enterobacteriaceae species isolated from traditional sausages. | histidine, lysine, ornithine and tyrosine decarboxylase activities were tested in 79 strains of enterobacteriaceae (41 of hafnia alvei, 17 of serratia liquefaciens, 5 of enterobacter cloacae, 4 of citrobacter braakii, 2 of proteus vulgaris, 2 of proteus mirabilis, 2 of providencia stuartii, 2 of klebsiella terrigena, 1 of rahnella aquatilis, 1 of salmonella arizonae, 1 of citrobacter youngae and 1 of escherichia coli) isolated from botillo, a spanish traditional sausage. in general, the strains ... | 2010 | 20673614 |
| phylogenetic analysis of the genera proteus, morganella and providencia by comparison of rpob sequences of type and clinical strains suggests the classification of proteus myxofaciens in a new genus cosenzaea gen. nov., as cosenzaea myxofaciens comb. nov. | phylogenetic analysis of partial rpob gene sequences of type and clinical strains belonging to different 16s rrna gene-fingerprinting ribogroups within 11 species of enterobacteria of the genera proteus, morganella, and providencia allowed to define rpob clades supported by high bootstrap values and confirmed by >/=2.5% nucleotide divergence. no rpob clade included strains belonging to different species and the majority of the species were confirmed as discrete and homogeneous, since they consti ... | 2010 | 20709916 |
| antibiotic susceptibility pattern in urinary isolates of gram negative bacilli with special reference to ampc β-lactamase in a tertiary care hospital. | resistance to higher antimicrobial agent is commonly seen in gram negative bacilli. this issue is a challenging problem to the medical practitioners in addition to it is financial impact on the health care system. | 2010 | 20842250 |
| resistance phenotype-genotype correlation and molecular epidemiology of citrobacter, enterobacter, proteus, providencia, salmonella and serratia that carry extended-spectrum β-lactamases with or without plasmid-mediated ampc β-lactamase genes in thailand. | extended-spectrum β-lactamases (esbls) and plasmid-mediated ampc β-lactamases (pampcs) have been increasingly reported among less commonly encountered genera of enterobacteriaceae. however, little is known regarding the genetic characteristics of resistance genes and epidemiology of these genera. lack of accurate esbl and pampc detection may adversely affect therapeutic outcomes. this study investigated resistance phenotype-genotype correlation and molecular epidemiology among six genera of ente ... | 2010 | 20880563 |
| alimentary tract bacteria isolated and identified with api-20e and molecular cloning techniques from australian tropical fruit flies, bactrocera cacuminata and b. tryoni. | bacteria were isolated from the crop and midgut of field collected bactrocera cacuminata (hering) and bactrocera tryoni (froggatt) (diptera: tephritidae). two methods were used, firstly isolation onto two types of bacteriological culture media (pyea and tsa) and identification using the api-20e diagnostic kit, and secondly, analysis of samples using the 16s rrna gene molecular diagnostic method. using the api-20e method, 10 genera and 17 species of bacteria in the family enterobacteriaceae were ... | 2010 | 20883132 |
| meningitis due to providencia stuartii. | in this report, we present a case of postneurosurgical meningitis due to providencia stuartii, which was treated successfully with meropenem therapy lasting 21 days. | 2010 | 20980575 |
| rhomboid homologs in mycobacteria: insights from phylogeny and genomic analysis. | rhomboids are ubiquitous proteins with diverse functions in all life kingdoms, and are emerging as important factors in the biology of some pathogenic apicomplexa and providencia stuartii. although prokaryotic genomes contain one rhomboid, actinobacteria can have two or more copies whose sequences have not been analyzed for the presence putative rhomboid catalytic signatures. we report detailed phylogenetic and genomic analyses devoted to prokaryotic rhomboids of an important genus, mycobacteriu ... | 2010 | 21029479 |
| occurrence of gram-negative bacteria in hens' eggs depending on their source and storage conditions. | the aim of this study was to analyse the qualitative composition of gram-negative microbes, mainly of the family enterobacteriaceae, including pathogenic bacteria such as salmonella, in the albumens and yolks and on the shells of hens' eggs, depending on their source and on the temperature and duration of their storage. a total of 375 table eggs were studied, from a large-scale poultry farm, a small-scale poultry farm and a supermarket. each group was divided into 5 subgroups according to the te ... | 2010 | 21033566 |
| [viable non-culturable bacteria]. | viable but non-culturable cells (vbnc) are defined as live bacteria, but which do not either grow or divide. such bacteria cannot be cultivated on conventional media (they do not form colonies on solid media, they do not change broth appearance), but their existence can be proved using other methods. the switch to the vbnc stage has been described and documented for several bacterial species: vibrio spp. (cholerae, vulnificus and other species), escherichia coli (including ehec), campylobacter j ... | 2010 | 21038700 |
| comparison of bacterial diversity in wheat bran and in the gut of larvae and newly emerged adult of musca domestica (diptera: muscidae) by use of ethidium monoazide reveals bacterial colonization. | the objective of the current study is to investigate the bacterial colonization within the gut of the house fly, musca domestica l. (diptera: muscidae), at the larval stage and the bacterial community of the gut of the house fly at the newly emerged adult stage. after using ethidium monoazide to inhibit recovery of nucleic acids from dead bacteria, three polymerase chain reaction (pcr)-amplified 16s rdna libraries from wheat bran, larvae, and newly emerged adults was constructed, analyzed, and c ... | 2010 | 21061987 |
| laboratory detection of extended-spectrum-beta-lactamase-producing enterobacteriaceae: evaluation of two screening agar plates and two confirmation techniques. | the worldwide prevalence of extended-spectrum-beta-lactamase-producing esbl-producing enterobacteriaceae (esbl-e) is increasing, making the need for optimized detection techniques more urgent. in this study we investigated the performance of two esbl-e screening and two esbl-e confirmation techniques. in accordance with the dutch national guidelines (www.wip.nl), a collection of 642 highly resistant enterobacteriaceae strains, as identified by vitek2, was used to test the performances of two scr ... | 2010 | 21123527 |
| textile dye degradation by bacterial consortium and subsequent toxicological analysis of dye and dye metabolites using cytotoxicity, genotoxicity and oxidative stress studies. | the present study aims to evaluate red he3b degrading potential of developed microbial consortium sds using two bacterial cultures viz. providencia sp. sds (ps) and pseudomonas aeuroginosa strain bch (pa) originally isolated from dye contaminated soil. consortium was found to be much faster for decolorization and degradation of red he3b compared to the individual bacterial strain. the intensive metabolic activity of these strains led to 100% decolorization of red he3b (50 mg l(-1)) with in 1h. s ... | 2010 | 21144656 |
| structure of the o-polysaccharide from the lipopolysaccharide of providencia alcalifaciens o60. | an o-polysaccharide (o-antigen) was isolated by mild acid degradation of the lipopolysaccharide of providencia alcalifaciens o60 and studied by sugar and methylation analyses as well as (1)h and (13)c nmr spectroscopy, including 2d roesy and (1)h,(13)c hmbc experiments in d(2)o and a roesy experiment in a 9:1 h(2)o-d(2)o mixture to reveal correlations for nh protons. it was found that the polysaccharide is built up of linear pentasaccharide repeating units containing an amide of d-glucuronic aci ... | 2010 | 21146157 |
| clinical characteristics of granular myringitis treated with castellani solution. | aim of the study is to observe clinical manifestations of granular myringitis (gm) treated with castellani solution. twenty-four patients (18 women and 6 men; mean age, 49.7 years; range, 9-77 years) diagnosed with gm and treated with castellani solution were enrolled retrospectively. topical treatment using castellani solution with or without curettage of a granular lesion and serial otoendoscopy-aided photographic documentation of the tympanic membrane were performed. outpatient follow-up peri ... | 2011 | 21298391 |
| elucidation of the full o-polysaccharide structure and identification of the core type of the lipopolysaccharide of providencia alcalifaciens o9. | opportunistic human pathogens of the genus providencia from the family enterobacteriaceae are serotyped by their o-antigens, which represent the o-polysaccharide chains of the lipopolysaccharides (lpss) on the cell surface. in this work, the o-polysaccharide of providencia alcalifaciens o9 was obtained by mild acid degradation of a long-chain s-form lps. the structure of the hexasaccharide repeat (o-unit) of the o-polysaccharide containing one d-gal, two d-glc, and three d-galnac residues was es ... | 2011 | 21316039 |
| production of biogenic amines by lactic acid bacteria and enterobacteria isolated from fresh pork sausages packaged in different atmospheres and kept under refrigeration. | the occurrence of in vitro amino acid activity in bacterial strains associated with fresh pork sausages packaged in different atmospheres and kept in refrigeration was studied. the presence of biogenic amines in decarboxylase broth was confirmed by ion-exchange chromatography and by the presence of the corresponding decarboxylase genes by pcr. from the 93 lactic acid bacteria and 100 enterobacteria strains analysed, the decarboxylase medium underestimates the number of biogenic amine-producer st ... | 2011 | 21316866 |
| comparative pathology of bacteria in the genus providencia to a natural host, drosophila melanogaster. | bacteria in the genus providencia are pathogens of many organisms, including humans and insects. we and colleagues have isolated five different strains belonging to four distinct providencia species as natural infections of drosophila melanogaster captured in the wild. we found that these isolates vary considerably in pathology to infected d. melanogaster, differing in the level of mortality they cause, their ability to replicate within the host and the level that the fly's immune response is el ... | 2011 | 21354324 |
| bacterial diversity associated with populations of glossina spp. from cameroon and distribution within the campo sleeping sickness focus. | tsetse flies were sampled in three villages of the campo sleeping sickness focus in south cameroon. the aim of this study was to investigate the flies' gut bacterial composition using culture-dependent techniques. out of the 32 flies analyzed (27 glossina palpalis palpalis, two glossina pallicera, one glossina nigrofusca, and two glossina caliginea), 17 were shown to be inhabited by diverse bacteria belonging to the proteobacteria, the firmicutes, or the bacteroidetes phyla. phylogenetic analysi ... | 2011 | 21387098 |
| peritonitis due to providencia stuartii. | 2011 | 21427258 | |
| nosocomial dissemination of extended-spectrum ß-lactamase veb-1a-producing providencia stuartii isolates in a tunisian hospital. | a collection of 20 multidrug-resistant providencia stuartii isolates recovered from 2005 to 2009 at the military hospital of tunis, tunisia, was analysed. they all expressed the extended-spectrum ß-lactamase (esbl) veb-1a. the bla (veb-1a) gene was plasmid-located and it was associated with complex genetic structures, including re elements. pulsed-field gel electrophoresis (pfge) revealed a clonal relationship between all of these isolates. this study identified a nosocomial dissemination of an ... | 2011 | 21442357 |
| urine cultures from indwelling bladder catheters in nursing home patients: a point prevalence study in a swedish county. | abstract objectives. to survey the bacterial flora and antibiotic resistance in urinary strains from patients with indwelling bladder catheters residing in nursing homes within a geographically defined region. material and methods. urine was sampled for culture from 163 catheter patients (126 men and 37 women) during a 2 week period in march 2010. susceptibility testing of the isolated bacteria was compared with all urinary strains (n = 9994) from hospitals and primary healthcare in the same geo ... | 2011 | 21452928 |
| xanthogranulomatous pyelonephritis with nephrocutaneous fistula due to providencia rettgeri infection. | we describe what is to our knowledge the first case of xanthogranulomatous pyelonephritis combined with nephrocutaneous fistula caused by providencia rettgeri. surgical extirpation including nephrectomy and fistulectomy was successfully performed. the strain was identified by 16s rrna gene sequencing in both renal tissue and pus culture from the fistula. | 2011 | 21459904 |
| pyogenic abscess from providencia stuartii mimicking necrotic tumour at perfusion-weighted imaging. | the purpose of this case report is to increase the knowledge about magnetic resonance spectrum of pyogenic abscesses of the brain. a 74-year-old woman presented with a left frontal lobe cystic mass, developed in the site of post-traumatic contusions after surgical evacuation of a subdural hematoma. mr imaging showed an ipsilateral mass lesion with a thin, regular rim of t1 high-intensity signal, t2 low-intensity signal, and gadolinium-enhancement. diffusion-weighted imaging with measure of appar ... | 2011 | 21468679 |
| ecofriendly degradation, decolorization and detoxification of textile effluent by a developed bacterial consortium. | present study illustrates the effectual decolorization and degradation of the textile effluent using a developed bacterial consortium sds, consisted of bacterial species providencia sp. sds and pseudomonas aeuroginosa strain bch, originally isolated from dye contaminated soil. the intensive metabolic activity of the consortium sds led to complete decolorization of textile effluent within 20h at ph 7 and temperature 30°c. significant induction in the activities of veratryl alcohol oxidase, laccas ... | 2011 | 21524793 |
| cytotoxic and antimicrobial activity of pseudopterosins and seco-pseudopterosins isolated from the octocoral pseudopterogorgia elisabethae of san andrés and providencia islands (southwest caribbean sea). | to expand the potential of pseudopterosins and seco-pseudopterosins isolated from the octocoral pseudopterogorgia elisabethae of san andrés and providencia islands (southwest caribbean sea), we report the anti-microbial profile against four pathogenic microorganisms (staphylococcus aureus, enterococcus faecalis, pseudomonas aeruginosa and candida albicans) and report a more complete cytotoxic profile against five human cells lines (hela, pc-3, hct116, mcf-7 and bj) for the compounds psg, psp, ps ... | 2011 | 21556163 |
| [the microflora associated with anatomical embalming as a harmful factor of a working process]. | the paper describes the first attempt to isolate and identify the microbiocenosis associated with the objects of a morphological laboratory that uses formalin. the study identified the following microorganisms: the bacteria bacillus sp., providencia alcalifaciens, and staphylococcus aureus, the micromycetes scopulariopsis brevicaulis, aspergillus sp., hormodendron sp., and the mites dermatophagoides pterronissimus. there is experimental evidence that these organisms are resistant to formalin. th ... | 2011 | 21598647 |
| emergence of {beta}-lactamases oxa-10, veb-1 and cmy in providencia spp. from nigeria. | 2011 | 21609982 | |
| co-expression of plasmid-mediated quinolone resistance-qnra1 and blaveb-1 gene in a providencia stuartii strain. | an extended-spectrum b-lactamase (esbl)-producing providencia stuartii isolate was studied. a qnra1 gene co-expressing blaveb-1 gene was detected. both genes were transferred to the recipient strain. the ciprofloxacin mic of recipient strain increased tenfold. the blaveb-1 gene persisted in microorganisms in turkey but it also spread with pmqr genes to other species. the combination of pmqr with multidrug resistant isolates producing esbls may compromise the use of valuable antibiotics. serious ... | 2011 | 21617836 |
| structure of the o-polysaccharide of providencia alcalifaciens o25 containing an amide of d-galacturonic acid with n(ε)-[(r)-1-carboxyethyl]-l-lysine. | an acidic o-polysaccharide was isolated by mild acid degradation of the lipopolysaccharide of providencia alcalifaciens o25 followed by gel-permeation and anion-exchange chromatography. the o-polysaccharide was studied by sugar and methylation analyses along with (1)h and (13)c nmr spectroscopy, including two-dimensional correlation (1)h,(13)c hmbc, and (1)h,(1)h roesy experiments both in d2o and, to detect correlations for nh protons, in a 9 : 1 h2o/d2o mixture. an amino acid was isolated from ... | 2011 | 21639852 |
| providencia isolates carrying bla (per-1) and bla (vim-2) genes: biofilm-forming capacity and biofilm inhibitory concentrations for carbapenem antibiotics. | multidrug-resistant clinical isolates of providentia carrying bla (per-1) and bla (vim-2) were evaluated for the abilities to form biofilm and high biofilm forming capacity was demonstrated in them. minimum biofilm inhibitory concentrations (mbics), minimum biofilm eradication concentrations (mbecs), and minimum inhibitory concentrations (mics) for imipenem and meropenem were also determined. in all tested strains, the mbics were higher than the mics for both drugs. interestingly, the mbics and ... | 2011 | 21717342 |
| biodegradation of tributyl phosphate by novel bacteria isolated from enrichment cultures. | tributyl phosphate (tbp) is an organophosphorous compound, used extensively (3000-5000 tonnes/annum) as a solvent for nuclear fuel processing and as a base stock in the formulation of fire-resistant aircraft hydraulic fluids and other applications. because of its wide applications and relative stability in the natural environment tbp poses the problem of pollution and health hazards. in the present study, fifteen potent bacterial strains capable of using tributyl phosphate (tbp) as sole carbon a ... | 2011 | 21755325 |
| genetic features of blandm-1-positive enterobacteriaceae. | genetic features associated with the bla(ndm-1) gene were investigated in 6 escherichia coli, 7 klebsiella pneumoniae, 1 citrobacter freundii, 1 proteus mirabilis, and 1 providencia stuartii isolate of worldwide origin. clonal diversity was observed for both e. coli and k. pneumoniae. the bla(ndm-1) gene was carried by different plasmid types (inca/c, incf, incl/m, or untypeable) and was likely chromosome borne in two isolates. the bla(ndm-1) plasmids coharbored a variety of resistance determina ... | 2011 | 21859933 |
| first detection of tem-116 extended-spectrum β-lactamase in a providencia stuartii isolate from a tunisian hospital. | to study the resistance to third-generation cephalosporins in providencia stuartii strain isolated from hospitalized patient in tunisia and to identify the responsible genes | 2011 | 21860106 |
| Effects of associated bacteria on the pathogenicity and reproduction of the insect-parasitic nematode Rhabditis blumi (Nematoda: Rhabditida). | Three bacteria, Alcaligenes faecalis , Flavobacterium sp., and Providencia vermicola , were isolated from dauer juveniles of Rhabditis blumi . The pathogenic effects of the bacteria against 4th instar larvae of Galleria mellonella were investigated. Providencia vermicola and Flavobacterium sp. showed 100% mortality at 48 h after haemocoelic injection, whereas A. faecalis showed less than 30% mortality. Dauer juveniles showed 100% mortality against G. mellonella larvae, whereas axenic juveniles, ... | 2011 | 21867444 |
| [epidemiological description of rabies reservoir in bats in the metropolitan region: chile. 2000-2009]. | in chile, in 1985 rabies was detected in insectivorous bats. since then the epidemiological surveillance activities was extended to these species and the epidemiological pattern was characterized as endemic in bats. in this study we analyzed positive rabies cases in the metropolitan region between 2000 and 2009. we identified 325 cases of rabies in 11.472 analyzed samples. we determined an increase of positivity cases in bats between the years of the study. places with the highest number of posi ... | 2011 | 21879147 |
| extended-spectrum beta-lactamase orthopedic wound infections in nigeria. | extended-spectrum beta-lactamase (esbl)-producing gram-negative bacteria are emerging and impacting significantly on the management of patients and hospital costs. besides, they are not being routinely sought after in diagnostic laboratories thus contributing to treatment failure. | 2011 | 21887050 |
| vim and imp metallo-β-lactamases and other extended-spectrum β-lactamases in escherichia coli and klebsiella pneumoniae from environmental samples in a tunisian hospital. | an extremely drug-resistant enterobacteriaceae species emerged in kasserine hospital, tunisia between 2009 and 2010 causing a local outbreak. we aimed to characterize extended-spectrum β-lactamase (esbl) and metallo-β-lactamase (mbl)-producing enterobacteriaceae from the hospital environment. swabs were collected from ten different wards from kasserine hospital, tunisia. a total of 46 isolates were cultured onto macconkey agar supplemented with ceftazidime to select for esbl-producing enterobact ... | 2011 | 21917010 |
| Effective cohorting and "superisolation" in a single intensive care unit in response to an outbreak of diverse multi-drug-resistant organisms. | Cohorting patients in dedicated hospital wards or wings during infection outbreaks reduces transmission of organisms, yet frequently, this may not be feasible because of inadequate capacity, especially in the intensive care unit (ICU). We hypothesized that cohorting isolation patients in one geographic location in a single ICU and using enhanced isolation procedures ("superisolation") can prevent the further spread of highly multi-drug-resistant organisms (MDRO). | 2011 | 21936667 |
| Structure of the O-polysaccharide from the lipopolysaccharide of Providencia alcalifaciens O28. | An O-polysaccharide and oligosaccharides were isolated by GPC following mild acid degradation of the lipopolysaccharide of Providencia alcalifaciens O28. The O-polysaccharide was studied by sugar and methylation analyses, (1)H and (13)C NMR spectroscopy, including 2D ROESY and H-detected (1)H,(13)C HSQC and HMBC experiments, and the following structure of the branched pentasaccharide repeating unit was established: [see formula in text]. This structure was confirmed by ESI MS of the isolated tri ... | 2011 | 21978611 |
| Description of a 2,683-Base-Pair Plasmid Containing qnrD in Two Providencia rettgeri Isolates. | qnr genes are plasmid-mediated quinolone resistance genes mainly harbored on large conjugative multiresistant plasmids. The qnrD gene was recently observed in Salmonella enterica on a small nonconjugative plasmid (p2007057). We describe two strains of Providencia rettgeri harboring qnrD on nonconjugative plasmids. The plasmids were 99% identical, with 2,683 bp and four open reading frames, including qnrD, but exhibited only 53% identity with the plasmid found in S. enterica. | 2012 | 21986831 |
| antibacterial activity and cytotoxicity of selected egyptian medicinal plants. | medicinal plants have been used as a source of remedies since ancient times in egypt. the present study was designed to investigate the antibacterial activity and the cytotoxicity of the organic extracts from 16 selected medicinal plants of egypt. the study was also extended to the isolation of the antiproliferative compound jaeschkeanadiol p-hydroxybenzoate (fh-25) from ferula hermonis. the microbroth dilution was used to determine the minimal inhibitory concentration (mic) of the samples aga ... | 2011 | 22057918 |
| potential role of proteus-providencia-morganella species in quality deterioration of beef. | proteeae isolation medium of hawkey et al. (1986) was effective for isolation and enumeration of proteus-providencia-morganella spp. from beef and beef products. on this medium colonies were brown, surrounded by a zone of clearing. in an examination of retail beef samples packaged and stored in polyvinyl chloride (pvc) film, 5% contained these bacteria in a concentration of 10(1)-10(2) cells per gram or cm(2). isolates from retail beef samples included p. vulgaris, p. alcalifaciens, p. rettgeri, ... | 1993 | 22061226 |
| Clinical validation of integrated nucleic acid and protein detection on an electrochemical biosensor array for urinary tract infection diagnosis. | Urinary tract infection (UTI) is a common infection that poses a substantial healthcare burden, yet its definitive diagnosis can be challenging. There is a need for a rapid, sensitive and reliable analytical method that could allow early detection of UTI and reduce unnecessary antibiotics. Pathogen identification along with quantitative detection of lactoferrin, a measure of pyuria, may provide useful information towards the overall diagnosis of UTI. Here, we report an integrated biosensor platf ... | 2011 | 22066011 |
| phylogenetic characterization of bacteria in the gut of house flies (musca domestica l.). | house flies (musca domestica l.) are cosmopolitan, ubiquitous, synanthropic insects that serve as mechanical or biological vectors for various microorganisms. to fully assess the role of house flies in the epidemiology of human diseases, it is essential to understand the diversity of microbiota harbored by natural fly populations. this study aimed to identify the diversity of house fly gut bacteria by both culture-dependent and culture-independent approaches. a total of 102 bacterial strains wer ... | 2011 | 22092755 |
| structure of the o-polysaccharide from the lipopolysaccharide of providencia alcalifaciens o48. | an o-polysaccharide was isolated by mild acid degradation of the lipopolysaccharide of providencia alcalifaciens o48 and studied by sugar and methylation analyses along with (1)h and (13)c nmr spectroscopy, including 2d cosy, tocsy, roesy and (1)h,(13)c hsqc and hmbc experiments. it was found that the polysaccharide is acidic and has a linear mono-o-acetylated tetrasaccharide repeating unit with the following structure: | 2011 | 22099381 |
| Evolution of an Incompatibility Group IncA/C Plasmid Harboring blaCMY-16 and qnrA6 Genes and its transfer through three clones of Providencia stuartii during a 2-year Outbreak in a Tunisian Burn Unit. | During a 2-year period in 2005-2006, 64 multidrug-resistant Providencia stuartii including 58 isolates from 58 patients and six strains obtained from the same tracheal aspirator were collected in a burn unit of a Tunisian Hospital. They divided in four antibiotypes (ATB) and three SmaI-pulsotypes, including 49 strains belonging to clone PsA (48 of ATB1 and, 1 of ATB4), 11 strains to clone PsB (7 of ATB2 and, 4 of ATB3), and 4 strains to clone PsC (ATB3). All strains, except for the PsA/ATB4 isol ... | 2011 | 22155825 |
| structure of a polysaccharide from providencia rustigianii o11 containing a novel amide of 2-acetamido-2-deoxygalacturonic acid with l-glutamyl-l-alanine. | an acidic polysaccharide was isolated from providencia rustigianii o11 by the phenol-water extraction. the polysaccharide was cleaved by solvolysis with triflic acid to yield disaccharides with uronic acid derivatives at the non-reducing end. the polysaccharide and the disaccharides were studied by chemical analyses, high-resolution esi ms, and 2d (1)h and (13)c nmr spectroscopy, and the following structure of the tetrasaccharide repeating unit of the polysaccharide was established: where galna ... | 2011 | 22230711 |