Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| intracranial infection due to non-typhoidal salmonella: report of four cases. | 2002 | 12099757 | |
| survival of enterobacteria in liquid cultures during microwave radiation and conventional heating. | bacteria in food have been reported to survive in larger numbers after processing by microwave radiation than after conventional processing. the bactericidal effect of a domestic microwave oven (sharp r-7280) on certain pathogenic enterobacteria species was investigated in vitro, in comparison with conventional heating (boiling). the death rates of different nosocomial strains of escherichia coli, salmonella sofia, salmonella enteritidis, proteus mirabilis and pseudomonas aeruginosa were tested. ... | 1995 | 12099299 |
| rutin-enhanced antibacterial activities of flavonoids against bacillus cereus and salmonella enteritidis. | the antibacterial activities of flavonoids were found by the paper disk method to be enhanced by combining or mixing them. the combinations of quercetin and quercitrin, quercetin and morin, and quercetin and rutin were much more active than either flavonoid alone. although rutin did not show activity in itself, the antibacterial activities of quercetin and morin were enhanced in the presence of rutin. the antibacterial activities of flavonoids, in combination with morin and rutin, were evaluated ... | 2002 | 12092809 |
| salmonella serotypes isolated from nonhuman sources in são paulo, brazil, from 1996 through 2000. | a total of 4,581 salmonella strains isolated from nonhuman sources, including foodstuffs associated with foodborne salmonella outbreaks, from january 1996 through december 2000 were serotyped at the enteropathogens laboratory, instituto adolfo lutz, são paulo, brazil. among the 123 different serotypes identified, salmonella enterica subsp. enterica serotype enteritidis (salmonella enteritidis) was the most prevalent (32.7%), ranking first for almost every kind of source. the next most common ser ... | 2002 | 12092719 |
| antigenic relationships within the genus salmonella as revealed by anti-salmonella enteritidis monoclonal antibodies. | a panel of 38 monoclonal antibodies (mabs) that react with outer membrane proteins (omps) of salmonella enteritidis was produced. on the basis of their binding pattern in elisa, the mabs were divided into three groups. the first group, consisting of 15 mabs, was found to be salmonella-specific as they did not cross-react with escherichia coli or pasteurella multocida. the second group of 15 mabs cross-reacted with e. coli but not with p. multocida, reflecting the closer antigenic relationship of ... | 2002 | 12090290 |
| multidrug and broad-spectrum cephalosporin resistance among salmonella enterica serotype enteritidis clinical isolates in southern italy. | from 1992 to 1997, only six sporadic isolates of salmonella enterica serotype enteritidis from patients with cases of gastroenteritis in southern italy exhibited resistance to broad-spectrum cephalosporins. five isolates produced shv-12, and one isolate encoded a class c beta-lactamase. the bla(shv-12) gene was located in at least two different self-transferable plasmids, one of which also carried a novel class 1 integron. | 2002 | 12089302 |
| characterization of salmonella serovars by pcr-single-strand conformation polymorphism analysis. | pcr-restriction fragment length polymorphism (pcr-rflp) and pcr-single-strand conformation polymorphism (pcr-sscp) analyses were carried out on the 1.6-kb groel gene from 41 strains of 10 different salmonella serovars. three haeiii rflp profiles were recognized, but no discrimination between the serovars could be achieved by this technique. however, pcr-sscp analysis of the groel genes of various salmonella serovars produced 14 sscp profiles, indicating the potential of this technique to differe ... | 2002 | 12089246 |
| epidemiology of antibiotic resistance of human nontyphoidal salmonellae in greece during an 8-year period (1990-1997). | the susceptibility patterns of 1027 nontyphoidal salmonella strains of human origin, isolated in greece between 1990 and 1997, were determined by broth microdilution. from 1990 to 1995, the overall incindence of resistance for both salmonella enteritidis and s. typhimurium increased. from 1996 onwards, a decrease was observed, which was more evident for s. enteritidis. regarding the other examined serotypes a substantial proportion of resistant isolates was found only for s. virhow and s. | 2001 | 12086093 |
| heritability of susceptibility to salmonella enteritidis infection in fowls and test of the role of the chromosome carrying the nramp1 gene. | 373 thirteen-week-old chicks issued from a commercial cross and 312 chickens from the l2 line were intravenously inoculated with 10 (6) salmonella enteritidis and the numbers of salmonella in the spleen, liver and genital organs were assessed 3 days later. heritabilities of the number of salmonella were estimated at 0.02 +/-0.04 and 0.05 +/-0.05 in the liver; at 0.29 +/-0.07 and 0.10 +/-0.06 in the spleen; and at 0.16 +/- 0.05 and 0.11 +/-0.08 in the genital organs, in the first and second exper ... | 2002 | 12081808 |
| endotoxin potentiates hepatocyte apoptosis in cholestasis. | cholestasis is a component of liver disease of almost any etiology, including septic liver injury. the cellular mechanisms of liver injury in cholestasis and sepsis remain unresolved. we evaluated apoptosis, a well-orchestrated and potentially reversible mechanism of cell death, in bile duct-ligated and endotoxin-injected rats. | 2002 | 12081063 |
| natural or raw almonds and an outbreak of a rare phage type of salmonella enteritidis infection. | 2002 | 12078384 | |
| toxic megacolon due to salmonella: a case report and review of the literature. | salmonella colitis is an unusual cause of toxic megacolon. we provide an overview of this condition and report a single case. | 2002 | 12073077 |
| candidate genes for resistance to salmonella enteritidis colonization in chickens as detected in a novel genetic cross. | salmonellosis is a zoonotic disease that is problematic for both animal production and food safety. a novel genetic cross, named the iowa salmonella response resource population (isrrp), was established to elucidate the genetic control of resistance to salmonella enteritidis (se) colonization in young chicks, to characterize unique resistance alleles, and to estimate gene interaction effects. outbred broiler sires were mated with dams of diverse, highly inbred, light-bodied lines to produce an f ... | 2002 | 12072268 |
| comparison of its profiling, rep- and eric-pcr of salmonella enteritidis isolates from poland. | thirty-one salmonella enteritidis strains isolated from chickens, broilers and hens were analysed by genotypic typing including rep-pcr. eric-pcr and its profiling (pcr-ribotyping). analysis of dna banding patterns generated by rep-pcr revealed the presence of 22 different genotypes, which were grouped by dendrogram analysis into three distinct lineages (maximum similarity approx. 50%). each isolate of s. enteritidis analysed by eric-pcr generated an individual dna pattern. again, these isolates ... | 2002 | 12069267 |
| bronchogenic cyst infected by salmonella enteritidis followed gastroenteritis. | congenital bronchogenic cysts of the lung and mediastinum develop from the ventral foregut during embryogenesis. bronchogenic cysts are seldom seen in the adults and most are thought to be asymptomatic and free of complications unless they become infected or are large enough to cause pressure on contiguous vital structures such as the tracheal carina, the lung or the esophagus. we present the unique case of a 24-year-old man who developed respiratory symptoms after salmonella enteritidis infecte ... | 2002 | 12062296 |
| the serologic response to salmonella enteritidis and salmonella typhimurium in experimentally infected chickens, followed by an indirect lipopolysaccharide enzyme-linked immunosorbent assay and bacteriologic examinations through a one-year period. | three groups of 100 individually marked salmonella-free chickens were followed for a period of 53 wk. the chickens were infected as day olds by crop instillation of 10(8) colony-forming units: one group with salmonella enteritidis and a second group with salmonella typhimurium. a third group was kept uninfected as controls. the groups were monitored bacteriologically by examination of cloacal swabs and organs and serologically by examination of serum and egg yolk by a lipopolysaccharide enzyme-l ... | 2002 | 12061634 |
| identification of genetic loci controlling bacterial clearance in experimental salmonella enteritidis infection: an unexpected role of nramp1 (slc11a1) in the persistence of infection in mice. | the gram-negative bacteria, salmonella, cause a broad spectrum of clinical diseases in both animals and humans ranging from asymptomatic carriage to life-threatening sepsis. we have developed a model to study the contribution of genetic factors to the susceptibility of 129sv and c57bl/6j inbred mice to salmonella enteritidis during the late phase of infection. c57bl/6j mice were able to eliminate completely sublethal inoculums of s. enteritidis from their reticuloendothelial system, whereas 129s ... | 2002 | 12058254 |
| clinical and pathologic characteristics of nontyphoidal salmonella encephalopathy. | to investigate the clinical and pathologic characteristics of primary encephalopathy caused by nontyphoidal salmonellosis (nts). | 2002 | 12058092 |
| antimicrobial resistance in salmonella isolated from animals and their environment in england and wales from 1988 to 1999. | resistance to 16 antimicrobial agents was monitored in 109,125 salmonella cultures isolated from animals, their environment and feedstuffs between 1988 and 1999. the sensitivity of the 6512 isolates of salmonella enterica enterica serotype dublin to all the antimicrobial agents tested varied from 98.2 per cent in 1997 to 99.7 per cent in 1990 and 1996. in contrast, among 28,053 isolates of salmonella enterica enterica serotype typhimurium, there was a marked decrease in their sensitivity to all ... | 2002 | 12054133 |
| dynamics of a protective avian inflammatory response: the role of an il-8-like cytokine in the recruitment of heterophils to the site of organ invasion by salmonella enteritidis. | increased resistance to salmonella enteritidis (se) organ infectivity in chickens can be conferred by the prophylactic administration of se-immune lymphokines (ilk). resistance is associated with an enhanced heterophilic accumulation within 4 h of ilk injection. in these studies, the role of il-8 in ilk-mediated heterophil recruitment during se infections in young chickens was investigated. heterophil accumulation was enhanced 2-4 h after the i.p. injection of both ilk and se (ilk/se) when compa ... | 2002 | 12053914 |
| production and characterization of monoclonal immunoglobulin a antibodies directed against salmonella h:g,m flagellar antigen. | hybridomas were generated after intragastral immunization of balb/c mice with live salmonella suberu and subsequent fusion between isolated spleen lymphoblasts and myeloma cells. three monoclonal antibodies (mabs) of immunoglobulin a (iga) isotype were selected and characterized. all of them were found to recognize the h:g epitope in enzyme-linked immunosorbent assay and immunoblotting but did not react with all h:g-expressing strains in slide agglutination test. all mabs strongly agglutinated s ... | 2002 | 12052565 |
| interleukin-8 secretion from monocytic cell lines for evaluation of the inflammatory potential of organic dust. | the potential of organic dust to induce inflammation in vitro can be viewed as a crude measure of the total biologically active compounds in a dust sample. the purpose of this study was to further develop an in vitro screening method for evaluation of potential hazard related to low doses of dust exposure using two monocytic cell lines (u937 and thp-1). dust was obtained from schools in copenhagen. u937 and thp-1 cells were stimulated with dust for 24 h and interleukin-8 secretion was measured. ... | 2002 | 12051797 |
| enhanced antimicrobial effects of combination of lactate and diacetate on listeria monocytogenes and salmonella spp. in beef bologna. | the antimicrobial activities of salts of organic acids such as lactate and acetate are well documented, but there is limited information on their effect when used in combination. we previously reported enhanced inhibition of listeria monocvtogenes and salmonella enterica serovar enteritidis in sterile comminuted beef at 5 and 10 degrees c by combinations of sodium lactate (sl) (2.5%) and sodium diacetate (sda) (0.2%). the present study was undertaken to evaluate the inhibitory effect of these sa ... | 2002 | 12051475 |
| mononuclear cell response to enterobacteria and gram-positive cell walls of normal intestinal microbiota in early rheumatoid arthritis and other inflammatory arthritides. | to study whether enterobacteria and gram-positive bacterial cell walls (bcw) derivedfrom normal intestinal microbiota are involved in the etiopathogenesis of early rheumatoid arthritis (ra). | 2002 | 12051398 |
| invasion of salmonella into human intestinal epithelial cells is modulated by hla-b27. | to investigate the influence of the major histocompatibility complex (mhc) class i molecule hla-b27 on (i) the invasion of salmonella and yersinia into human intestinal epithelial cells, (ii) the survival of intracellular salmonella in these cells, and (iii) the production of certain inflammatory cytokines by the cells after salmonella infection. | 2002 | 12048291 |
| a case of an abscess due to salmonella serotype enteritidis behind the eye: a unique event as part of a growing food-borne problem in belgium? | 2002 | 12047419 | |
| optimization of a rapid and sensitive identification system for salmonella enteritidis by capillary electrophoresis with laser-induced fluorescence. | a system coupling capillary electrophoresis (ce) with a laser-induced fluorescence (lif) system for the identification of salmonella enteritidis was developed. addition of an appropriate amount of sodium alginate and nacl to the running buffer made it possible to obtain a reproducible sharp peak. two fluorescent staining methods using a cell-permeable nucleic acid stain and a salmonellae-specific polyclonal antibody were adapted to the system. the ce-lif successfully detected as few as three cel ... | 2002 | 12044682 |
| osteopetrosis, lymphedema, anhidrotic ectodermal dysplasia, and immunodeficiency in a boy and incontinentia pigmenti in his mother. | a child with x-linked osteopetrosis, lymphedema, anhidrotic ectodermal dysplasia, and immunodeficiency (ol-eda-id) was recently reported. we report the clinical features of a second boy with this novel syndrome and his mother, who presented with signs of incontinentia pigmenti (ip). the child had mild osteopetrosis without neurosensory complications, unilateral lymphedema of the left leg, and characteristic features of anhidrotic ectodermal dysplasia with sparse hair, facial dysmorphy, delayed e ... | 2002 | 12042591 |
| parasitic and bacterial contamination in collards using effluent from treated domestic wastewater in chiang mai, thailand. | thailand often has inadequate water supply for agriculture during the dry season. the reuse of treated wastewater treatment plants could solve this problem. treatment of domestic wastewater of chiang mai municipality by the aerated lagoon system (al) releases more than 25,000 m3 of treated water everyday. the reuse of wastewater in agriculture is an efficient use of water, especially in tropical countries or in drought zones. the objective of this study is to demonstrate the possibility of using ... | 2001 | 12041598 |
| examination for intestinal parasites and enteric bacteria in the wastewater and treated wastewater from the city of chiang mai, thailand. | an attempt to use treated wastewater for agriculture in the chiang mai area was made, but the re-use process had to be performed under a condition that limited the risks liable to leave pathogens present in the water. the objective of our study was to examine the intestinal parasites and enteric bacteria in the wastewater and treated wastewater from the chiang mai university campus as well as the treated wastewater from the chiang mai municipality. the raw wastewater (rw), primary treatment effl ... | 2001 | 12041597 |
| inhibition of bacterial adhesion and salmonella infection in balb/c mice by sialyloligosaccharides and their derivatives from chicken egg yolk. | the effects of an egg-yolk-derived sialyloligosaccharide (yds), asialo-yds, and a sialylglycopeptide of yds (sgp) on bacterial adhesion to intestinal epithelial cells and on salmonella infection in balb/c mice were examined. yds, its derivative asialo-yds, and sgp strongly inhibited the binding of salmonella enteritidis but not e. coli k-88 to a human epithelial cell line, caco-2. in a salmonella infection experiment using balb/c mice, oral administration of these reagents effectively prevented ... | 2002 | 12033837 |
| microbial contamination in inoculated shell eggs: i. effects of layer strain and hen age. | three ottawa control strains and a current commercial laying stock were reared and housed under identical environmental and management conditions. eggs were collected from each strain when hens were 32, 45, 58, 71, and 84 wk of age. the eggs were inoculated with salmonella enteritidis (se), pseudomonasfluorescens (pf), or a combination of the two. after storage at 26 c, bacterial counts were obtained from the exterior shell surfaces (rinse), air cell, egg contents, and shell structure. se and pf ... | 2002 | 12033423 |
| microsatellites linked to salmonella enterica serovar enteritidis burden in spleen and cecal content of young f1 broiler-cross chicks. | contamination of poultry and poultry products by salmonella enterica serovar enteritidis (se) continues to be problematic even though biosafety management practices have aided in reduction of the se burden. identification of molecular markers linked to disease resistance loci would further reduce se burden by enabling selection for genetic resistance. the objectives of this study were therefore to evaluate specific genomic regions for resistance to se burden in young broiler-cross chicks and to ... | 2002 | 12033415 |
| in vitro studies of chicken egg yolk antibody (igy) against salmonella enteritidis and salmonella typhimurium. | chicken egg yolk antibody (igy) raised against salmonella enteritidis or salmonella typhimurium was found in highly specific activity levels by elisa. s. enteritidis- and s. typhimurium-specific igy powder, prepared by freeze-drying the egg yolk water-soluble fraction, contained 15.5 and 10.0% of specific igy, respectively. anti-s. enteritidis igy cross-reacted 55.3% with s. typhimurium. the cross-reactivity of anti-s. typhimurium igy with s. enteritidis was 42.4%. salmonella-specific igy was de ... | 2002 | 12033412 |
| inhibition of nuclear factor-kappab activation by irfi 042, protects against endotoxin-induced shock. | the aim of our study was to investigate the effect of irfi 042, a novel dual vitamin e-like antioxidant, on nuclear factor-kappab (nf-kappab) activation, tnf-alpha gene priming and on the release of the mature protein during endotoxin shock. | 2002 | 12031715 |
| reduction of escherichia coli o157:h7 and salmonella spp. on laboratory-inoculated mung bean seed by chlorine treatmentt. | three u.s. outbreaks of foodborne illness due to consumption of contaminated raw mung bean sprouts occurred in the past 2 years and were caused by salmonella enteritidis. the original source of the pathogens is thought to have been the seed. the aim of this study was to determine whether treatment with aqueous chlorine would eliminate the pathogens from mung bean seed inoculated in the laboratory with four-strain cocktails of escherichia coli o157:h7 and salmonella spp. treatments (for 5, 10, or ... | 2002 | 12030299 |
| designing of polymerase chain reaction primers for the detection of salmonella enteritidis in foods and faecal samples. | in this study, novel insertion element (ie) dna targeted polymerase chain reaction (pcr) primers were designed and further used for the specific detection of salmonella enteritidis in foods and faecal samples. | 2002 | 12028423 |
| an overview of the salmonella enteritidis risk assessment for shell eggs and egg products. | this article summarizes a quantitative microbial risk assessment designed to characterize the public health impact of consumption of shell eggs and egg products contaminated with salmonella enteritidis (se). this risk assessment's objectives were to: (1) establish the baseline risk of foodborne illness from se, (2) identify and evaluate potential risk mitigation strategies, and (3) identify data gaps related to future research efforts. the risk assessment model has five modules. the egg producti ... | 2002 | 12022671 |
| establishment and characterization of partially differentiated chicken enterocyte cell clones. | three enterocyte cell clones were established in vitro from the intestine of a pa12 hen embryo. these cells exhibited epithelioid morphology and grew as monolayers. the cells were continuously propagated in culture up to 250 passages. gradual increase in growth rate with time and in anchorage-independent growth in both agar and agarose showed that the three cell clones spontaneously transformed in vitro. the clones were heteroploid with one marker chromosome. interestingly, they had features of ... | 2002 | 12018388 |
| [dealing with microbes]. | 2002 | 12018150 | |
| evaluation of 12 stabilizers in a developed attenuated salmonella enteritidis vaccine. | the development of a stable live attenuated salmonella enteritidis (se) vaccine, resisting heat stress during transportation and storage in unequipped tropical and subtropical zones of the world, is highly recommended. twelve stabilizers were individually supplemented into a 9 ml volume of sterile distilled water resulting in concentrations of 1, 2, 3, 4 and 5%. a volume of 1 ml of attenuated live se vaccine is added over the 9 ml of each concentration of the stabilizers. the differently stabili ... | 2002 | 12009280 |
| [salmonella spp. serotypes isolated at the hospital universitario reina sofía in córdoba during an 8-year period, 1993-2000]. | as a producer of gastro-enteritis and other symptoms, salmonella spp. remains an important problem for world public health. epidemiological knowledge at both general and local level by means of serotypification is considered one of the fundamental aspects for its control. | 2002 | 12006258 |
| nucleotide and amino acid sequences of orit-tram-traj-tray-traa-tral regions and mobilization of virulence plasmids of salmonella enterica serovars enteritidis, gallinarum-pullorum, and typhimurium. | the virulence plasmid of salmonella enterica serovar gallinarum-pullorum (pspv) but not those of salmonella enterica serovars enteritidis (psev) and typhimurium (pstv) can be readily mobilized by an f or f-like conjugative plasmid. to investigate the reason for the difference, the orit-tram-traj-tray-traa-tral regions of the three salmonella virulence plasmids (psvs) were cloned and their nucleotide and deduced amino acid sequences were examined. the cloned fragments were generally mobilized mor ... | 2002 | 12003924 |
| influence of dietary conjugated linoleic acid isomers on early inflammatory responses in male broiler chickens. | 1. the influence of dietary conjugated linoleic acid isomer (cla, 0 and 10 g/kg) on the metabolic and physiological responses to immune stimulation induced by a single injection of salmonella enteritidis lipopolysaccharide (lps) or repeated injections of lps and sephadex g-50 was determined in male broiler chicks. 2. in experiment 1, 10-d-old chicks were fed on experimental diets for 14 d and half of the birds fed on each diet were injected intraperitoneally with lps (1.5 mg/kg body weight). in ... | 2002 | 12003337 |
| sensitivity analysis of salmonella enteritidis levels in contaminated shell eggs using a biphasic growth model. | salmonella enteritidis (se) is a common foodbome pathogen, the transmission of which is primarily associated with the consumption of contaminated grade a shell eggs. in order to estimate the level of se present in raw shell eggs, it is necessary to consider the protective effects of the egg albumin, which effectively inhibits se growth in a time- and temperature-dependent manner. in this study, a se growth model was produced by combining two mathematical equations that described both the extende ... | 2002 | 11999119 |
| [specificity of inhibition between salmonella strains]. | a phenomenon of inhibition among salmonella organisms colonizing the gut of young animals can be demonstrated which is important in connection with immunization using live salmonella vaccines. for practical utilization of this inhibition phenomenon, research into its specificity is very important. in vitro broth culture and animal experiments have shown inhibition to be genus-specific, i.e. there is no inhibition between strains of different genera of enterobacteriaceae in most cases. the strong ... | 2002 | 11998365 |
| [will the effectiveness of the immunization of chicks with live salmonella vaccines be affected by maternal antibodies?]. | in the progeny of breeder birds which had been vaccinated with live salmonella typhimurium and inactivated salmonella enteritidis vaccines, the caecal and systemic colonisation by a live salmonella enteritidis and a live salmonella typhimurium vaccine was studied. the efficacy of the oral immunisation of chicks from vaccinated and non-vaccinated breeders with a live salmonella enteritidis vaccine on day 1 of age was studied by an experimental challenge with salmonella enteritidis on day 30 of ag ... | 2002 | 11998364 |
| increasing quinolone resistance in salmonella enterica serotype enteritidis. | until recently, salmonella enterica serotype enteritidis has remained sensitive to most antibiotics. however, national surveillance data from denmark show that quinolone resistance in s. enteritidis has increased from 0.8% in 1995 to 8.5% in 2000. these data support concerns that the current use of quinolone in food animals leads to increasing resistance in s. enteritidis and that action should be taken to limit such use. | 2002 | 11996688 |
| antimicrobial resistance in salmonella enterica serovars enteritidis and typhimurium isolated from animals in korea: comparison of phenotypic and genotypic resistance characterization. | fourteen and 22 each of salmonella enteritidis and salmonella typhimurium (s. typhimurium) were isolated from animals from 1983 to 1999 in korea and tested for their antibiotic resistance patterns, phage types and resistance gene patterns. s. typhimurium isolates were highly resistant to streptomycin, sulfisoxazole and tetracycline, 95, 95 and 86%, respectively. the incidence of multiple antibiotic resistance (resistant to more than two drugs tested) of s. typhimurium isolates was extremely high ... | 2002 | 11955779 |
| efficacy enhancement of trisodium phosphate against spoilage and pathogenic bacteria in model biofilms and on adipose tissue. | a two-step approach for enhancing the efficacy of trisodium phosphate (tsp) was evaluated using meat spoilage and pathogenic bacteria in flow cell biofilms and adipose tissue model systems. the process was based on the plasmolysis of attached bacteria (biofilms) with a hyperosmotic solution (1.5 m nacl) and the subsequent deplasmolysis of cells with a low-osmotic-strength solution containing different concentrations of tsp (0.1, 0.25, 0.5, 0.625, and 1.0 % [wt/vol]). escherichia coli, salmonella ... | 2002 | 11952211 |
| high frequency of reactive joint symptoms after an outbreak of salmonella enteritidis. | to study reactive symptoms following an outbreak of salmonella enteritidis that occurred after a dinner party held january 15, 1999, in copenhagen, denmark. an epidemiological study pointed toward a dish of minced raw salmon, in which one of the constituents was unboiled eggs as the likely cause of the outbreak. remnants of this dish were not available for bacteriological exam. | 2002 | 11950020 |
| foodborne infectious risks: do we need a wide system of data collection and survey? the lessons learned from the study of infectious intestinal disease in england. | in 2000, the united kingdom government's food standards agency published "a report of the study of infectious intestinal disease in england". this report was the result of over a decade's endeavour and cost well in excess of 2 million pound sterling (approximately 3.3 million euros). the study originated in 1989. in response to national epidemics of foodborne infection with salmonella enteritidis phage type 4 and listeria monocytogenes, the government set up the committee on the microbiological ... | 2002 | 11938120 |
| optimisation of the formulation and of the technological process of egg-based products for the prevention of salmonella enteritidis survival and growth. | the aim of this work was to study the survival of salmonella enteritidis after a pressure treatment in relation to compositive variables (nacl content, ph), both in model and real systems, the latter consisting in an egg-based mayonnaise type product. moreover, the fate of the surviving cells of s. enteritidis has been monitored during storage at 10 degrees c and the growth or death parameters have been calculated and modelled in relation to ph, nacl concentration of the medium and entity of the ... | 2002 | 11934044 |
| genetic analysis of salmonella enteritidis biofilm formation: critical role of cellulose. | we report here a new screening method based on the fluorescence of colonies on calcofluor agar plates to identify transposon insertion mutants of salmonella enteritidis that are defective in biofilm development. the results not only confirmed the requirement of genes already described for the modulation of multicellular behaviour in salmonella typhimurium and other species, but also revealed new aspects of the biofilm formation process, such as two new genetic elements, named as bcsabzc and bcse ... | 2002 | 11929533 |
| [infectious aneurysm of the abdominal aorta caused by salmonella: diagnosis, endovascular therapy]. | the authors present a case of an infected abdominal aortic aneurysms by means of a minimally invasive endovascular method using a stent graft. this patient had already been treated by tips (transjugular intrahepatic portosystemic shunt) for repeated varicose bleeding due to liver cirrhosis. standard surgical therapy of infected abdominal aneurysms and about advantages and possibilities of endovascular treatment with stent grafts are discussed. regular follow-up of the patient and long-term antib ... | 2002 | 11925659 |
| salmonella enterica serovar enteritidis burden in broiler breeder chicks genetically associated with vaccine antibody response. | the relationship between antibody response to salmonella enteritidis vaccine and internal organ burden of s. enteritidis is not fully understood. the genetic relationship, therefore, between postchallenge s. enteritidis burden and antibody response to s. enteritidis vaccine was determined in broiler breeder chicks. sibling chicks from a broiler breeder male line were either inoculated with a pathogenic s. enteritidis or vaccinated with a commercial s. enteritidis vaccine. spleen, liver, cecal wa ... | 2002 | 11922346 |
| development, characterization, and preliminary evaluation of a temperature-sensitive mutant of ornithobacterium rhinotracheale for potential use as a live vaccine in turkeys. | a temperature-sensitive (ts) mutant strain of ornithobacterium rhinotracheale (ort) was developed after exposure of the wild-type organism to n-methyl-n'-nitro-n-nitrosoguanidine. the ts mutant strain grew at 31 c but had its growth inhibited at 41 c unlike wild-type parent strain. the ts mutant and parent strains were characterized. morphologic and biochemical properties of wild-type and mutant strains did not show any differences. the strains were also characterized by polymerase chain reactio ... | 2002 | 11922328 |
| serologic detection of experimental salmonella enteritidis infections in laying hens by fluorescence polarization and enzyme immunoassay. | detection of infected poultry flocks is essential for controlling eggborne transmission of salmonella enteritidis to humans. the present study evaluated the detection of antibodies in the sera of experimentally infected chickens by a fluorescence polarization assay with a tracer prepared from the o-polysaccharide of s. enteritidis and an enzyme-linked immunosorbent assay (elisa) with an s. enteritidis flagellin antigen. in two trials, groups of specific-pathogen-free laying hens were infected or ... | 2002 | 11922325 |
| [non-typhoid salmonellosis in in a basic health area of navarra, spain]. | salmonella gastro-enteritis is a zoonoses transmitted by the ingestion of food products and water or fomites contaminated by the faeces of infected people or animals. at present, constitutes a world-wide pandemic. the aim of the present study has been to in progress examine cases of non-typhoidal salmonellosis in the health area i of navarra (376,079 inhabitants). | 2002 | 11905399 |
| [salmonella bacteremia]. | non-typhi salmonellae are invasive bacteria, which can, in certain conditions, get into the blood stream, and course bacteriemia or localized infections in different organ systems. incidence of salmonella bacteriemia varied in different studies between 5.2-13.7%. the incidence is higher in patients younger than 1 year and the elderly. among different serotypes, the most invasive are salmonella typhimurium, salmonella choleraesuis and salmonella virchow. the aim of our study was to determine the ... | 2001 | 11905187 |
| antimicrobial synergistic effect of linolenic acid and monoglyceride against bacillus cereus and staphylococcus aureus. | the antimicrobial effect of linolenic acid with or without monoglyceride (glycerol laurate or glycerol myristate) against six food-borne microorganisms was determined in broth medium. minimum inhibitory concentration of linolenic acid on bacillus cereus and staphylococcus aureus was 20 and 50 ppm, respectively. the growth of b. cereus treated with linolenic acid at 10 ppm with 10 ppm monoglyceride was more inhibitory than that of linolenic acid alone, and the viable cell population was reduced 2 ... | 2002 | 11902977 |
| effect of low and high doses of salmonella enteritidis pt4 on experimentally infected chicks. | chicks (1-d-old, three groups, each containing 50 chicks) were inoculated with 2 x 10(2) and 2 x 10(8) cfu of salmonella enteritidis; the third group were kept as uninoculated control. five birds from each group were euthanized at intervals from 6 h to 4 weeks post-inoculation (pi). in the low-dose group s. enteritidis was isolated from 60% cecal samples at 18 h pi, and from 20% of livers at 3 d pi. individual variation in the frequency of s. enteritidis recovery was observed in this group. the ... | 2001 | 11899482 |
| salmonella spp. shedding by alberta beef cattle and the detection of salmonella spp. in ground beef. | breeder cows, cattle recently arrived at feedlots, and cattle about to be shipped for slaughter were tested for salmonella spp. no salmonella spp. were detected in fecal samples from breeding cows. nineteen of 1,000 (1.9%) fecal samples from recently arrived feedlot cattle were positive for salmonella spp. compared to only 2 of 1,000 (0.2%) fecal samples taken within 2 weeks of slaughter. the positive fecal samples were collected in 5 of 50 (10%) "recent arrival" pens tested and in 1 of 50 (2%) ... | 2002 | 11899047 |
| luteolin reduces lipopolysaccharide-induced lethal toxicity and expression of proinflammatory molecules in mice. | luteolin is a flavonoid that has been shown to reduce proinflammatory molecule expression in vitro. in the present study, we have tested the ability of luteolin to inhibit lipopolysaccharide (lps)- induced lethal toxicity and proinflammatory molecule expression in vivo. mice receiving lps (salmonella enteriditis lps, 32 mg/kg, intraperitoneally) exhibited high mortality with only 4.1% of the animals surviving seven days after the lps challenge. on the contrary, mice that had received luteolin (0 ... | 2002 | 11897650 |
| lipoteichoic acids from lactobacillus johnsonii strain la1 and lactobacillus acidophilus strain la10 antagonize the responsiveness of human intestinal epithelial ht29 cells to lipopolysaccharide and gram-negative bacteria. | intestinal epithelial cells (iecs) respond to lipopolysaccharide (lps) from gram-negative bacteria in the presence of the soluble form of cd14 (scd14), a major endotoxin receptor. since scd14 is also known to interact with gram-positive bacteria and their components, we looked at whether scd14 could mediate their effects on human iecs. to this end, we examined the production of proinflammatory cytokines following exposure of the iecs to specific gram-positive bacteria or their lipoteichoic acids ... | 2002 | 11895971 |
| an outbreak of multidrug-resistant salmonella enterica subsp. enterica serotype typhimurium, dt104l linked to dried anchovy in singapore. | multidrug-resistant salmonella enterica subsp. enterica serotype typhimurium dt104l was first reported in singapore from mid-july to mid-october 2000. salmonella strains isolated from clinical laboratories were submitted to a reference laboratory for serotyping, phage-typing and pulsed-field gel electrophoresis (pfge) using xbai restriction endonuclease. an epidemiological investigation was conducted to determine the source of infection and mode of transmission using a structured questionnaire. ... | 2002 | 11895083 |
| parotid abscess caused by salmonella enteriditis in a patient with parotid masses. | 2002 | 11893982 | |
| dynamics of immune cell infiltration in the caecal lamina propria of chickens after neonatal infection with a salmonella enteritidis strain. | dynamics of leucocyte infiltration and bacterial invasion in the caecal wall were studied after oral infection of 2-day-old chicks with salmonella enterica ser. enteritidis. bacteria invaded the lamina propria of the caecal wall from 12h post-challenge onwards. bacteriological examination of internal organs (liver, spleen) showed a peak in salmonella bacteria at 3days post-infection, after which the number of bacteria decreased. immunohistochemistry revealed macrophages and t-lymphocytes invadin ... | 2002 | 11888650 |
| prevention of salmonella enteritidis infection in commercial ducklings by oral chicken egg-derived antibody alone or in combination with probiotics. | ducklings were given egg-derived antibody against salmonella enteritidis (ab) in drinking water daily to determine if infection could be prevented. pekin ducklings in all experimental groups were infected on day 1 or 5 with 0.7 x 10(6) salmonella enteritidis (se). spleen, liver, and intestine of each bird were collected and cultured on days 7, 14, 21, and 28. only livers and spleens were culture positive for se. ducklings infected on day 1 had more se infections than controls at each observation ... | 2002 | 11885897 |
| two different extended-spectrum beta-lactamases (esbls) in one of the first esbl-producing salmonella isolates in poland. | two extended-spectrum beta-lactamase (esbl)-producing salmonella isolates, salmonella enterica serovar enteritidis and salmonella enterica serovar typhimurium, were analyzed. both isolates produced the ctx-m-3 esbl; however, their bla(ctx-m-3) genes were located on different plasmids. the serovar typhimurium isolate also expressed another esbl, shv-2a, and probably the two esbl genes had been acquired independently by the strain. | 2002 | 11880450 |
| low frequency of enteric infections by salmonella, shigella, yersinia and campylobacter in patients with acute leukemia. | several authors found that isolation of salmonella, shigella, yersinia and campylobacter spp. (ssyc) from stool cultures after the 3rd day of hospitalization is a rare event. the significance of enteric infections caused by these pathogens has not been systematically investigated in severely immunosuppressed patients with acute leukemia. | 2002 | 11878289 |
| microsatellite markers linked to salmonella enterica serovar enteritidis vaccine response in young f1 broiler-cross chicks. | reduction in salmonella enteritidis (se) contamination is of importance for poultry production as well as for food safety. the objectives of this study were to identify potential genetic markers of antibody response to se vaccine in young broiler chicks and then to confirm this linkage in broiler-cross offspring, as well as to explore interactions of marker alleles with dam line and sex. the initial identification of suggestive quantitative trait loci (qtl) markers for antibody response to se va ... | 2002 | 11873827 |
| reliable elisas showing differences between resistant and susceptible lines in hens orally inoculated with salmonella enteritidis. | reliable elisas were investigated with the aim to select hen lines resistant to salmonella enteritidis and producing high levels of antibodies. in the first experiment, the relation between the humoral response and the bacteriological results was assessed on hens from the y11 resistant line and the l2 susceptible line, orally inoculated with 10(8) cfu s. enteritidis per animal. anti-lipopolysaccharide (lps) igg titres were higher but the liver and spleen were less contaminated in hens from the y ... | 2002 | 11873816 |
| [comparative study of the effectiveness of hbcag presentation to the immune system using attenuated salmonella strains, serovars s.enteritidis and s.typhimurium]. | in this work the results of obtaining hbcag-producing attenuated salmonella strains, serovars s. enteritidis and s. typhimurium, and their comparative study is presented. as revealed in this study, attenuated s. enteritidis strain e-23 and s. typhimurium strain t-10, producing hbcag, induce cell-mediated and humoral immune response to hbcag after injected into anovals. after injection s. typhimurium strain t-10 induces a much higher titer of specific antibodies than s. enteritidis strain e-23. t ... | 2001 | 11871298 |
| massive hepatosplenomegaly caused by penicillium marneffei associated with human immunodeficiency virus infection in a thai patient. | a 29 year old thai woman presented with non-specific features and examination revealed left upper zone consolidation and hepatosplenomegaly. the initial clinical differential diagnosis included tuberculosis and melioidosis. she died four days after admission, while still under investigation. postmortem examination revealed antibodies to human immunodeficiency virus, disseminated penicillium marneffei infection, and salmonella enteritidis infection. penicillium marneffei is a well described aids ... | 2002 | 11865012 |
| molecular analysis of ampicillin-resistant sporadic salmonella typhi and salmonella paratyphi b clinical isolates. | objective: to study the mechanisms of antibiotic resistance in salmonella typhi and salmonella paratyphi b clinical isolates, and the clonality of resistant strains. methods: antibiotic susceptibility was tested by disk-agar diffusion. conjugation experiments and plasmid analysis by agarose gel electrophoresis after ecori digestion were followed by hybridization to a digoxigenin-labeled tem-type beta-lactamase probe. dna fingerprints were obtained by pulsed-field gel electrophoresis of xbal-dige ... | 1997 | 11864127 |
| fingerprinting of salmonella enterica subsp. enterica serovar enteritidis by ribotyping. | objective: to carry out an epidemiologic evaluation of salmonella enterica subsp. enterica serovar enteritidis outbreaks in households and small communities by means of rrna gene restriction pattern analysis (ribotyping). methods: one hundred enteritidis isolates dating from 1989 to 1994 which could be allocated epidemiologically to different sources or to small community outbreaks were investigated with ribotyping, a fingerprinting method in which bacterial dna is hybridized with the biotin-lab ... | 1997 | 11864109 |
| lipopolysaccharide-specific but not anti-flagellar immunoglobulin a monoclonal antibodies prevent salmonella enterica serotype enteritidis invasion and replication within hep-2 cell monolayers. | the protective potential of immunoglobulin a (iga) monoclonal antibodies (mabs) directed against o and h antigens of salmonella enterica serotype enteritidis to prevent bacterial adhesion to and invasion of hep-2 cells was evaluated. although anti-flagellar iga mabs showed strong agglutinating capacities, they did not protect cell monolayers. in contrast, iga mabs specific for the o:9 epitope of salmonella lipopolysaccharide antigen alone prevented s. enterica serotype enteritidis entry and repl ... | 2002 | 11854252 |
| extracellular antigens from salmonella enteritidis induce effective immune response in mice after oral vaccination. | we have studied polyacryl starch microparticles as an adjuvant in oral vaccination in mice. secreted antigens from salmonella enterica serovar enteritidis were administered covalently conjugated to microparticles, or as free antigens, orally or intramuscularly and evaluated for their immunogenicity and ability to elicit protective immune response against an oral challenge with live serovar enteritidis. the highest immunoglobulin m (igm)-plus-igg titers were obtained in the groups immunized with ... | 2002 | 11854230 |
| salmonella enterica serotype enteritidis phage types 4, 7, 6, 8, 13a, 29 and 34: a comparative analysis of genomic fingerprints from geographically distant isolates. | to evaluate genetic heterogeneity in the most common phage types of salmonella enterica serovar enteritidis. | 2002 | 11849346 |
| identification of salmonella enteritidis outer membrane proteins expressed during attachment to human intestinal epithelial cells. | to express and identify the salmonella enterica ser. enteritidis outer membrane proteins that are involved in the attachment to human intestinal epithelial cells. | 2002 | 11849343 |
| inactivation of foodborne pathogens in milk using dynamic high pressure. | improving the microbiological safety of perishable foods is currently a major preoccupation in the food industry. the aim of this study was to investigate the inactivation of three major food pathogens (listeria monocytogenes [lsd 105-1], escherichia coli o157:h7 [atcc 35150], and salmonella enterica serotype enteritidis atcc [13047]) by dynamic high pressure (dhp) in order to evaluate its potential as a new alternative for the cold pasteurization of milk. the effectiveness of dhp treatment agai ... | 2002 | 11848566 |
| [psoas muscle abscess due to salmonella enteritidis. case report]. | 2001 | 11844462 | |
| postnatal endotoxin exposure results in increased insulin sensitivity and altered activity of neuroendocrine axes in adult female rats. | severe postnatal infection leads to a systemic inflammatory response with release of cytokines and glucocorticoids, representing a stressful event for the newborn child. the purpose of this study was to mimic this situation and to study the effects of early postnatal endotoxin exposure of female rat pups on metabolic, endocrine and anthropometric variables in adulthood. | 2002 | 11834437 |
| [salmonella enteritidis splenic abscess complicating a plasmodium falciparum malaria attack]. | salmonella splenic abscesses are rare and usually occur on pre-existing lesions. | 2002 | 11826578 |
| a rarely seen cause of prosthetic mitral valve endocarditis: salmonella enteritidis. | 2002 | 11825762 | |
| competitive exclusion of salmonella enterica serovar enteritidis by lactobacillus crispatus and clostridium lactatifermentans in a sequencing fed-batch culture. | competitive exclusion of salmonella enterica serovar enteritidis by a mixed culture of lactobacillus crispatus and clostridium lactatifermentans was studied in a sequencing fed-batch reactor mimicking the cecal ecophysiology of broiler chickens. growth of serovar enteritidis was inhibited by a mixed culture of l. crispatus and c. lactatifermentans at ph 5.8 but not by a monoculture of l. crispatus at the same ph. moreover, experiments performed at ph 7.0 did not show growth inhibition of serovar ... | 2002 | 11823190 |
| [salmonella enteritis in huesca. 1996-1999]. | the enteritis due to salmonella is still an important cause of infectious gastroenteritis, that is responsible of 85% of the foodborne outbreaks in spain. it represents without any doubt a public health problem that involves several health care services and preventive services. | 2002 | 11820975 |
| effects of antibacterial dishwashing liquid on foodborne pathogens and competitive microorganisms in kitchen sponges. | in response to increasing concern about home hygiene, the use of antibacterial products to reduce microorganisms in kitchen sponges and cleaning cloths is strongly promoted by some producers of detergent for domestic use. the effects of an antibacterial dishwashing liquid on escherichia coli, salmonella enteritidis, staphylococcus aureus, and bacillus cereus were investigated in a modified suspension test and in used sponges with and without food residues under laboratory conditions. a limited s ... | 2002 | 11811157 |
| pulmonary infection caused by rhodococcus equi in hiv-infected patients: report of four patients from northern thailand. | we report four human immunodeficiency virus (hiv)-infected patients (3 men and one woman, average age, 34.3 years) with pulmonary infection (two with pneumonia and two with lung abscess) caused by rhodococcus equi. these patients, who presented with fever and productive cough, were admitted to nakornping hospital in northern thailand. chest roentgenograms showed pulmonary infiltration and/or cavitary lesions. their conditions were poor because of severe anemia, and transfusion was necessary in t ... | 2000 | 11810571 |
| a quantitative model for neutrophil response and delayed-type hypersensitivity reaction in rats orally inoculated with various doses of salmonella enteritidis. | our aim was to investigate the quantitative relationship between inoculation doses and physiological responses to infection by salmonella enterica serovar enteritidis. rats were orally inoculated with 10-10(9) c.f.u. of s. enteritidis and monitored for 6 days. neutrophil and delayed-type hypersensitivity (dth) responses were assessed, and the spleens were analyzed for the pathogen. the experimental data were analyzed by a mathematical model for the host response to salmonella infection, which is ... | 2002 | 11809730 |
| inactivation of escherichia coli o157:h7, salmonella enteritidis, and listeria monocytogenes on apples, oranges, and tomatoes by lactic acid with hydrogen peroxide. | the objective of this study was to develop a practical and effective method for inactivating or substantially reducing escherichia coli o157:h7, salmonella enteritidis, and listeria monocytogenes on apples, oranges, and tomatoes. apples, oranges, and tomatoes were spot-inoculated with five-strain mixtures of e. coli o157:h7, salmonella enteritidis, and l. monocytogenes near the stem end and were submerged in sterile deionized water containing 1.5% lactic acid plus 1.5% hydrogen peroxide for 15 m ... | 2002 | 11808779 |
| elimination of salmonella enterica serotype enteritidis in intestinal epithelial cells by mechanisms other than nitric oxide. | production of nitric oxide (no) by intestinal epithelial cells is induced after infection with salmonella spp. or some other enteroinvasive bacteria. however, direct evidence of the role of no in the elimination of intracellular pathogens in intestinal mucosa has not been established. this study investigated whether no mediates killing of salmonella enterica serovar enteritidis in human intestinal epithelial cells by using parent henle-407 cell line and a transfected cell line not capable of ind ... | 2002 | 11803948 |
| epidemiological analysis of salmonella enteritidis isolates in singapore. | salmonella enteritidis is the most common non-typhoidal salmonella species isolated in singapore causing gastroenteritis and occasional bacteremia with secondary complications. the number of s. enteritidis isolates rose in 1993 and since then, it was the commonest salmonella sp. isolated. in 1997, a total of 139 s. enteritidis was isolated and this comprised 19.2% of all non-typhoidal salmonella sp. isolated. | 2001 | 11798253 |
| nitric oxide and apoptosis induced in peyer's patches by attenuated strains of salmonella enterica serovar enteritidis. | nitric oxide (no) is a toxic molecule of the immune system which contributes to the control of microbial pathogens. additional functions of no in innate and adaptive immunity have recently been described; these functions include the modulation of the cytokine response of lymphocytes and the regulation of immune cell apoptosis. in addition to direct microbicidal actions, no has immunoregulatory effects relevant to the control of infections. in turn, infected macrophages and macrophage-regulating ... | 2002 | 11796632 |
| the global regulator arca controls resistance to reactive nitrogen and oxygen intermediates in salmonella enterica serovar enteritidis. | salmonella enterica serovar enteritidis is a major cause of food-borne diseases associated with consumption of shell eggs. clinical isolates of s. enterica serovar enteritidis exhibit a wide spectrum of virulence in mice. a highly virulent isolate (se2472) was previously shown to be more resistant in vitro than other clinical isolates to acidified sodium nitrite (asn), a generator of reactive nitrogen and oxygen intermediates (rni/roi). se2472 is also more resistant to s-nitrosoglutathione (gsno ... | 2002 | 11796570 |
| salmonella serotypes isolated from chicken meat in albania. | a total of 31 salmonellae, belonging to four different serogroups and nine serotypes, were isolated from 30 out of 461 (6.5%) chicken meat samples, taken during a 3-year period, from 1996 to 1998. there were no significant differences among years in salmonella positive samples, ranging from 5.1% to 8%. the most frequently encountered serotype was salmonella enteritidis, isolated in 16 out of 30 salmonella positive samples (53.3%), but its predomination was clearly evident only in 1996. the other ... | 2001 | 11789945 |
| environmental contamination and detection of salmonella enterica serovar enteritidis in laying flocks. | faecal, dust and other environmental samples were collected from the floors, droppings belts, egg-collection systems and other areas of 14 cage-layer flocks, 10 barn egg production flocks and seven free-range flocks, and cultured for salmonella species. the distribution of the organism varied with its prevalence and with the vaccination status of the birds. no one sample type was found to be suitable for identifying all contaminated houses. salmonella was also frequently found on egg-packing equ ... | 2001 | 11787781 |
| differences in abilities to colonize reproductive organs and to contaminate eggs in intravaginally inoculated hens and in vitro adherences to vaginal explants between salmonella enteritidis and other salmonella serovars. | in experiment 1, mature laying hens were inoculated intravaginally with 10(6) colony-forming units of salmonella enterica serovar enteritidis (s. enteritidis), salmonella typhimurium, salmonella infantis, salmonella hadar, salmonella heidelberg, or salmonella montevideo to compare their abilities to colonize the reproductive organs of chickens and to contaminate eggs. salmonella enteritidis was more frequently recovered (from 11 of 40 eggs, 27.5%) than the other serovars, and especially the inne ... | 2001 | 11785900 |
| pathogenicity of different serogroups of avian salmonellae in specific-pathogen-free chickens. | the pathogenicity of one isolate of salmonella typhimurium, four isolates of salmonella heidelberg, three isolates of salmonella kentucky, two isolates of salmonella montevideo, one isolate of salmonella hadar, and two isolates of salmonella enteritidis (se), one belonging to phage type (pt)13a and the other to pt34, was investigated in specific-pathogen-free chicks. three hundred eighty-four chicks were separated into 16 equal groups of 24 chicks. thirteen groups were inoculated individually wi ... | 2001 | 11785896 |