| scotch eggs in a residential school. | | 1991 | 1669790 |
| salmonella surveillance. | | 1991 | 1669862 |
| salmonella enteritidis phage type 4. | | 1991 | 1669868 |
| food poisoning associated with the consumption of mayonnaise. | | 1991 | 1669872 |
| salmonella vascular graft infection. | | 1991 | 1672202 |
| type 1 fimbriae of salmonella enteritidis. | salmonella enteritidis was previously shown to produce fimbriae composed of 14,000-molecular-weight (mr) fimbrin monomers (j. feutrier, w. w. kay, and t. j. trust, j. bacteriol. 168:221-227, 1986). another distinct fimbrial structure, comprising 21,000-mr fimbrin monomers, has now been identified. these fimbriae are simply designated as sef 14 and sef 21, respectively (for s. enteritidis fimbriae and the mr [in thousands] of the fimbrin monomer). a simple method for the purification of both stru ... | 1991 | 1677356 |
| purification and characterization of thin, aggregative fimbriae from salmonella enteritidis. | novel fimbriae were isolated and purified from the human enteropathogen salmonella enteritidis 27655. these fimbriae were thin (measuring 3 to 4 nm in diameter), were extremely aggregative, and remained cell associated despite attempts to separate them from blended cells by centrifugation. the thin fimbriae were not solubilized in 5 m naoh or in boiling 0.5% deoxycholate, 8 m urea, or 1 to 2% sodium dodecyl sulfate (sds) with or without 5% beta-mercaptoethanol. therefore, an unconventional purif ... | 1991 | 1677357 |
| salmonella in chilled and frozen chicken. | | 1991 | 1678071 |
| pancreatitis associated with salmonella enteritis. | | 1991 | 1678822 |
| management of a salmonella outbreak in a geriatric hospital by ciprofloxacin therapy. | | 1991 | 1679078 |
| salmonella lipopolysaccharide in synovial cells from patients with reactive arthritis. | synovial cells from nine patients with reactive arthritis following salmonella enteritidis or salmonella typhimurium infection were examined for salmonella antigens. extensive bacterial cultures of the synovial fluid were negative. eight synovial-fluid cell samples stained positively on immunofluorescence with rabbit antisera against heat-killed s enteritidis or s typhimurium or with monoclonal antibodies specific for the causative salmonella lipopolysaccharide (lps). synovial tissue from the ni ... | 1990 | 1690327 |
| virus enhances ige- and non-ige-dependent histamine release induced by bacteria and other stimulators. | histamine release from human basophil leukocytes was triggered by staph. aureus, salmonella enteritidis, non-haemolytic streptococci, or e. coli. influenza a virus was found to enhance the mediator release and the effect was caused by synergism, since the virus did not induce release of histamine per se. this potentiating effect of the virus was seen both when the bacteria-induced histamine release was ige-dependent (i.e. patient sensitized to the bacterium) and when the bacterium caused mediato ... | 1990 | 1695462 |
| protective effects of polyclonal sera and of monoclonal antibodies active to salmonella minnesota re595 lipopolysaccharide during experimental endotoxemia. | mice were passively immunized with sera from blood donors active for rough lipopolysaccharides (lps), the j5 (rc chemotype) mutant of escherichia coli o111:b4, and the re595 (re chemotype) mutant of salmonella minnesota. all protected the mice against lethal challenge with smooth e. coli wf96 lps, e. coli and salmonella rough mutant lps, or free lipid a. epitopes recognized by monoclonal antibodies (mabs) reacting with the lps of s. minnesota re595 or lipid a were localized in the 2-keto-3-deoxy ... | 1990 | 1700024 |
| influenza a virus potentiates bacteria-induced histamine release. examination of normal individuals and patients allergic to bacteria. | influenza a virus was found to enhance basophil histamine release induced by escherichia coli, salmonella enteritidis, staphylococcus aureus, streptococcus pneumoniae and streptococcus sanguis, but did not per se release histamine. this potentiating effect of the virus was seen both when the bacteria-induced mediator release was ige-dependent (i.e. patient allergic to bacterium) and when the bacterium caused histamine release by a non-immunological mechanism independent of ige (putative sugar-le ... | 1990 | 1700889 |
| detection of a novel fimbrial structure on the surface of salmonella enteritidis by using a monoclonal antibody. | a fimbrialike structure expressed on the surface of salmonella enteritidis was identified by using a monoclonal antibody (69/25) produced against intact s. enteritidis cells. fimbriae were less than 5 nm in diameter and carried a protein consisting of subunits with a molecular weight of 14,300. no hemagglutinating activity associated with the fimbriae was detected. an epitope on the fimbrial antigen identified by monoclonal antibody 69/25 was expressed by all 58 s. enteritidis strains, 12 of 36 ... | 1990 | 1701443 |
| identification of antigens which stimulate t lymphocytes of salmonella enteritidis 11rx immunized mice. | the technique of using sodium dodecylsulfate-polyacrylamide gel electrophoresis fractionated antigens (ag) transferred to nitrocellulose filters was adopted to analyse t cell responses to salmonella enteritidis 11rx ag. employing in vitro proliferation assays with t cells from s. enteritidis 11rx-primed (balb/c x c57bl/6j)f1 mice as the measure of t cell stimulation, we have identified ag able to stimulate t cells in the regions containing 16, 24, 34 and 50-60 kda proteins, with dominant ag acti ... | 1990 | 1707398 |
| [modulation of the surface antigens of salmonella-phagocytized u937 cells]. | in this study, modulation of the surface antigens of salmonella enteritidis-phagocytized u937 cells and morphology of the bacteria in these cells were analyzed by the indirect immunofluorescence technique. the results are as follows: (1) morphological studies revealed that the bacteria phagocytized by the u937 cells were transformed to a small coccoid form. (2) the expression of cd14 antigen was observed 24 to 48 h after phagocytosis. (3) the levels of cd11b and cd23 antigens were clearly enhanc ... | 1991 | 1712049 |
| [the effect of heterophilic antibodies on the result of the passive hemagglutination reaction in intestinal infections]. | when commercial erythrocytic diagnostic agents, prepared from sheep red cells, are used in the passive hemagglutination test with blood sera from patients with intestinal infections, the possibility of nonspecific reactions with heterophilic antibodies of human body should be borne in mind. to completely eliminate these antibody effects on the results of the test, titration of the tested serum should be started from 1:64, 1:80, or 1:100, depending on what titration scale is used. | 1991 | 1722535 |
| induction of cd14 antigen on the surface of u937 cells by an interleukin-6 autocrine mechanism after culture with formalin-killed gram-negative bacteria. | in order to better understand the regulation of cd14 antigen on the surface of the monocyte-like cell line u937 in response to bacteria, the expression and regulation of cd14 antigen on these cells when cultured with formalin-killed bacteria were determined using the monoclonal antibody my-4 and analyzed by means of the indirect immunofluorescence method. cd14 expression was induced on the u937 cells after about 48 hours of culture with all of the formalin-killed gram-negative bacteria used in t ... | 1991 | 1724578 |
| impaired bactericidal activity of serum of a child suffering from focal proliferative glomerulonephritis. | the serum of a child with focal proliferative glomerulonephritis was found to exhibit a weaker bactericidal activity against pseudomonas aeruginosa, salmonella typhimurium, salmonella enteritidis and escherichia coli strains as compared with sera of the child's parents. the child's serum showed a low haemolytical activity of complement as well as a low c3 concentration. the authors believe that the abnormal complement concentration could cause the impaired bactericidal activity of the patient se ... | 1991 | 1725093 |
| eggs and salmonella enteritidis transmission. | | 1992 | 1727104 |
| gastroenteritis due to salmonella sp: clinical and radiologic signs mimicking surgical peritonitis. | salmonella infections most often are self-limited illnesses confined to the gastrointestinal system. they can, however, produce clinical and radiographic findings consistent with peritonitis. careful attention to evaluation and treatment is required to avoid unnecessary surgery for what may initially appear to be a surgical condition. | 1992 | 1734537 |
| [experience with ciprofloxacin therapy of salmonellosis gastroenteritica]. | five days' ciprofloxacin treatment resulted quick clinical improvement in all of the 45 patients with salmonella gastroenteritis and stool cultures of 35 patients became negative. the advantages of ciprofloxacin treatment are analysed in comparison with previous antibiotics. indications for new quinolones in the treatment of salmonella gastroenteritis are summarized. it is emphasized that antibiotic therapy is unnecessary in mild cases of salmonella gastroenteritis. this is demonstrated on the b ... | 1992 | 1736229 |
| salmonella bacteraemia in england and wales, 1981-1990. | to report the incidence of nontyphoidal salmonellas in england and wales and identified in the division of enteric pathogens, london between 1981 and 1990. | 1992 | 1740511 |
| infected abdominal aortic aneurysm due to salmonella: ct evaluation. | two cases of infected abdominal aortic aneurysm (iaaa) caused by salmonella are reported and the computed tomography (ct) features are discussed and compared with the pathologic findings. additionally, a review of the literature was performed. a well-enhanced para-aortic mass (pam) beyond the calcified intima of the abdominal aorta on the ct, which was initially considered to represent a leakage from the infected aneurysm, was observed in 5 of the 6 reported cases (including ours) and identified ... | 1991 | 1742674 |
| guaiac-positive stools and ulceration of the colon associated with salmonellosis. | | 1991 | 1743141 |
| bacterial lipopolysaccharides alter human endothelial cell morphology in vitro independent of cytokine secretion. | lipopolysaccharides derived from six bacterial species were found to alter human endothelial cell morphology in vitro in a species-dependent and dose-dependent manner. lipopolysaccharides derived from salmonella enteritidis (selps) induced the strongest response, whereas lipopolysaccharides from vibrio cholerae produced no effect. cell-shape changes induced by selps (10 micrograms/ml) were noticeable by 24 hours and reached a maximum by 72 hours, thus paralleling the effects produced by the reco ... | 1991 | 1744505 |
| [salmonella enteritidis serovar tarshyne strains isolated from fecal specimens]. | seven salmonella enteritidis serovar tarshyne strains were isolated from fecal specimens in 1989 and 1990 summer months. | 1991 | 1745153 |
| effect of advanced ageing on the ability of mice to cause tumour regression in response to immunotherapy. | the effect of ageing on tumour immunotherapy was investigated by comparing the ability of aged mice (20 months old) and young mice (3 months old) to cause regression of an established sa1 sarcoma in response to parenteral injection of endotoxin, or to sublethal, whole-body exposure to ionizing radiation. it was found that whereas treatment with either of these agents caused t-cell-dependent regression of the tumour in young mice, it failed to cause regression of the tumour in aged mice. the resu ... | 1991 | 1748485 |
| [rhabdomyolysis, salmonella enteritidis infection and the bibliography]. | | 1991 | 1751699 |
| salmonella enteritidis empyema complicating lupus pleuritis. | | 1991 | 1754536 |
| phage typing of salmonella enteritidis in the united states. | the number of reported isolates of salmonella enteritidis has increased dramatically in the last 10 years. for many years phage typing has been a useful epidemiologic tool for studying outbreaks of s. typhi and s. typhimurium. in 1987, ward et al. (l. r. ward, j. de sa, and b. rowe, epidemiol. infect. 99:291-294, 1987) described a phage typing scheme for s. enteritidis. this system differentiated 27 phage types by use of 10 typing phages. with these phages, we typed 573 strains of s. enteritidis ... | 1991 | 1757554 |
| fibronectin binding by salmonella strains: evaluation of a particle agglutination assay. | thirty-five salmonella strains isolated from human cases of salmonellosis were tested and compared for their fibronectin (fn) binding capacities by using two fn-particle agglutination assays (fn-paas) prepared by coating with human fn either (i) latex beads (difco; 0.81-micron diameter) (l-fn-paa) or (ii) heat-killed formalin-treated staphylococcus aureus cowan 1 cells (c-fn-paa). six s. aureus strains were also included in this study as controls. the strains were cultured on colonization factor ... | 1991 | 1757555 |
| [the effect of leukinferon on the activity of phagocytosing cells in human salmonellosis]. | the functional activity of phagocytic cells in 52 salmonellosis patients was studied with regard to the following characteristics: percent share of phagocytosis, phagocytic index, nitro blue tetrazolium test results, digestive activity. in patients with the unfavorable course of salmonellosis (the formation of carrier state) disturbances in the bactericidal activity of neutrophils and monocytes were established. for 32 patients leukinferon was included in the complex of etiotropic and pathogenet ... | 1991 | 1759515 |
| [an experimental study of a lactoglobulin preparation against opportunistic bacteria and salmonellae]. | a preclinical study of seven batches of lactoglobulin, a new biological preparation against opportunistic bacteria and salmonellae, has been carried out. high antibacterial activity of the preparation with respect to the virulent forms of salmonella typhimurium, salmonella enteritidis, pseudomonas aeruginosa, klebsiella pneumoniae, proteus vulgaris, proteus mirabilis has been established. the preparation has been shown to be safe and nontoxic. the 4-year term of its storage at a temperature of 6 ... | 1991 | 1759523 |
| lipopolysaccharide stimulation of hyaluronate synthesis by human gingival fibroblasts in vitro. | exposure of gingival fibroblasts to lps caused a dose-dependent increase in hyaluronate synthesis. stimulation of hyaluronate synthesis by lps was significantly greater 24 h after exposure and by 48 h an approx. 50% increase was evident. in parallel, there was an increase in the activity of the hyaluronate synthetase enzyme. inhibition of pge2 synthesis by indomethacin abolished the stimulatory effect of lps on hyaluronate synthesis. thus, this stimulatory effect of lps on hyaluronic acid synthe ... | 1991 | 1763976 |
| [abdominal aortic aneurysm caused by salmonella enteridis in a patient with human immunodeficiency virus]. | | 1991 | 1772187 |
| [effects of sodium chloride on destruction of microorganisms by microwave heating in potatoes]. | to assess the destructive effect of different sodium chloride concentrations (0, 0.3, 1.5, and 3%) on microorganisms with microwave heating, strains of vibrio parahaemolyticus, staphylococcus aureus, salmonella enteritidis, escherichia coli and bacillus cereus were used to inoculate a mashed potato preparation. after microwave heating for 1 min at 800 w, resulted in temperatures and rate of destruction of bacteria significantly higher (p less than 0.05) in the core than on the surface of mashed ... | 1991 | 1773068 |
| absence of the staub-traugott effect in endotoxicosis. | intravenous glucose tolerance tests (ivgtts) using 1.2 g/kg of d-glucose in fasted, male rats were repeated twice, with an interval of 75 min, during early (2.5 hr) and late (26.5 hr) nonlethal endotoxicosis induced by salmonella enteritidis endotoxin (etx) at 10 micrograms/kg i.v. in comparison with saline controls, glucose tolerance was dramatically increased in early endotoxicosis; however, it was restored to near normal in late endotoxicosis. augmentation of tolerance by repeated ivgtts i.e. ... | 1991 | 1773482 |
| hiv-associated dilated cardiomyopathy. | | 1991 | 1774049 |
| [epidemiological analysis of salmonella serovar enteritidis isolated from patients with sporadic cases of diarrhea in 1989]. | a total of 184 strains of s. enteritidis isolated from patients with sporadic cases of diarrhea during the period from april 1985 to march 1991 in yamanashi prefecture, were examined for their drug susceptibility, phage typing and plasmid profile. the results can be summarized as follows: 1) in 1989, cases of sporadic diarrhea due to s. enteritidis has drastically increased twenty-eight-fold from 4 to 112 cases. 2) the most predominant ages of s. enteritidis isolates were that of 2 years age. 3) ... | 1991 | 1783803 |
| [use of latex test for detection of salmonella in meat]. | the aim of this study was to examine the usefulness of latex test for detection of salmonella in raw ground meat . five hundred and fifty samples of meat were examined, including 368 samples artificially contaminated with s. enteritidis and s. typhimurium. samples for latex test were also derived from classical microbiological culture (2 ml) which was run in parallel. coincidence of positive results obtained in latex test with positive results in microbiological method was 7.6% to 15.3% (after i ... | 1991 | 1784134 |
| [meningitis caused by salmonella enteritidis in adults]. | | 1991 | 1784771 |
| [salmonella infected aneurysm of the superficial femoral artery--a rarity in angiologic vascular surgery]. | | 1991 | 1788718 |
| fate of unirradiated salmonella in irradiated mechanically deboned chicken meat. | mechanically deboned chicken meat was irradiated at 0, 1.25 and 2.50 kgy (cesium 137) and inoculated with salmonella dublin atcc 15480, salmonella enteritidis atcc 9186 or salmonella typhimurium atcc 14028. samples were then stored at 5 degrees c and 10 degrees c and were subjected to microbiological analysis directly after irradiation and inoculation (time 0), and after 24, 72, 120, 168 and 216 h of storage. samples stored at 20 degrees c were examined at time 0 and after 6, 12 and 24 h of stor ... | 1991 | 1790108 |
| susceptibility to active oxygen species of protective and nonprotective strains on the challenge of salmonella enteritidis by immunization with culture filtrate. | protective ability against the challenge of different strains by immunization with culture filtrate (cf) obtained from salmonella enteritidis was investigated. it was shown that the different strains of s. enteritidis can be separated into two distinct groups of protective (2547, 116m, 116-54, sr-98g, and 3775) and nonprotective strains (2822, 3975, and iid-604). using a cell-free microbicidal system, the susceptibilities of these strains to active oxygen species was evaluated. s. enteritidis wa ... | 1991 | 1791338 |
| difference in the protection against infection with different challenge strains of salmonella enteritidis by killed vaccine. | differences in protection against the challenge of different strains of formalin-killed cells obtained from salmonella enteritidis were investigated. when strains 2547, 116m, 116-54, sr-98g, and 3775 were used as the challenge strain, protective effects were apparent in groups of mice immunized with formalin-killed cells from s. enteritidis strains (protective strains). conversely, no protective effects were observed with the challenge of strains 2822, 3975, and iid-604 (nonprotective strains). ... | 1991 | 1791342 |
| how is the source of food poisoning outbreaks established? the example of three consecutive salmonella enteritidis pt4 outbreaks linked to eggs. | three consecutive outbreaks of salmonella enteritidis pt4 occurred in wales in 1989 in which epidemiological and microbiological investigation established eggs as the likely source although kitchen inspection and food preparation histories suggested other vehicles of infection. this paper examines the contribution of analytical epidemiology in attributing causation, with particular reference to those limitations which are regarded as inherent in epidemiological evidence. such evidence, implicati ... | 1991 | 1795143 |
| [bacterial ileocecitis: a "new" disease]. | in cases of clinical suspicion of an acute appendicitis sonography uncovers another disease as the real cause of the symptoms in about one-quarter of such cases. bacterial ileocaecitis is most frequently diagnosed (11.6% of n = 786). in special bacteriological stool cultures, yersinia enterocolitica and campylobacter jejuni were identified, whereas salmonella enteritidis was a rarer finding. the typical sonographic manifestation of bacterial ileocaecitis compared against crohn's disease of the i ... | 1991 | 1796286 |
| [administration of super-ors solution in the treatment of patients with acute intestinal infections]. | therapeutic effectiveness of an oral rehydration solution of the second generation super-ors based on rice and salt has been tried in 28 patients with food poisoning. administration of the solution produced a marked clinical effect superior to that of the first generation solutions glucosalan, citroglucosalan, rehydron. | 1991 | 1803156 |
| antibodies to lipopolysaccharide and outer membrane proteins of salmonella enteritidis pt4 are not involved in protection from experimental infection. | balb/c and schofield mice were inoculated with formalin-killed bacteria prepared from strains of salmonella enteritidis belonging to phage type (pt) 4 and carrying a 38 mda plasmid and expressing long-chain lipopolysaccharide, or strains without a 38 mda plasmid or lacking the ability to express lipopolysaccharide. vaccinated mice were challenged with viable bacteria belonging to a virulent strain of s. enteritidis (pt4). mice surviving this viable challenge were examined for a humoral antibody ... | 1991 | 1804766 |
| [hemolytic anemia associated with minor salmonellosis in an hiv positive, g6pd deficient congolese woman]. | haemolytic anaemia in g6pd-deficient patients with thyphoid fever is well known, but there is only one case-report associated with non-typhic salmonella fever. we report here a case observed in a black african young woman whose hiv infection has been discovered on this occasion. because of the high prevalence of hiv infection, salmonellosis and g6pd deficiency in sub-saharian africa, an increasing number of such haemolytic anaemias should be expected in this geographic area. | 1991 | 1807850 |
| malignant neuroendocrine tumour of pancreas, salmonella enteritidis cholangitis and pseudomembranous cholecystitis. | | 1991 | 1814394 |
| [food poisoning caused by salmonella rods]. | epidemiologic and clinical analysis concerned the cases of acute gastroenteritis caused by salmonella rods. it has proved that the most frequent etiologic factor was salmonella enteritidis. also a clinical process of salmonellosis was analysed. it proved that septic forms of the disease made up 2.2% of cases. examining antibiotic-sensitivity of salmonella strains proved that the biggest group of them was sensitive to biseptol. | 1991 | 1819821 |
| [bacteremic pneumonia caused by rhodococcus equi and hiv infection. report of a new case and review of the literature]. | rhodococcus equi (corynebacterium equi) is able to produce infections not only in animals but also in patients, usually immunosuppressed ones. we report a new case of bacteremic pneumonia in a drug addict who was also infected by hiv. x-ray film of the chest showed a cavitated infiltrate in right upper lobe. r. equi was recovered from blood, respiratory secretions and lung tissue. the patient was with a prolonged course of antibiotics and also surgical treatment. in spite of both therapies, the ... | 1991 | 1822154 |
| the influence of age on the response of spf hens to infection with salmonella enteritidis pt4. | when specific pathogen-free hens were infected with salmonella enteritidis pt4 by direct administration into the crop, the age of the bird at infection was found to have an effect on both pathogenesis and antibody response. birds at 20 weeks of age showed no adverse signs and developed high titres of antibodies of the igm class, while those which were 1 year old at infection developed relatively little antibody and had acute septicaemia, with 6 of 10 birds either dying or having to be humanely d ... | 1991 | 1825197 |
| development and application of an elisa for detecting antibodies to salmonella enteritidis in chicken flocks. | enzyme-linked immunosorbent assays (elisas) were developed for the detection of igg antibody to salmonella enteritidis in poultry flocks. a lipopolysaccharide (lps) and heat-extracted (he) antigen for use in the elisa were evaluated together with the rapid slide test (rst), microagglutination test (mt) and the microantiglobulin (mag) test. in experimentally infected specific pathogen free chickens, good correlation was seen between all tests although, generally, the mt and mag detected antibody ... | 1991 | 1826801 |
| detection of antibody to salmonella enteritidis and s typhimurium in the yolk of hens' eggs. | enzyme-linked immunosorbent assays (elisas) have been developed to detect igg antibodies to salmonella enteritidis and s typhimurium in the yolk of hens' eggs. better discrimination and more consistent results were obtained between eggs from experimentally infected and uninfected hens by using saline-dilution of yolk rather than chloroform extraction. threshold absorbance values were determined in three salmonella-free flocks, and on the basis of these results elisa optical density values greate ... | 1991 | 1827220 |
| [epidemic occurrence of alimentary bacterial infections in the czech republic 1979-1989]. | the authors analyze the epidemic incidence of alimentary infections of bacterial origin in two periods: 1979-1983 and 1984-1988 and 1989 resp., where in each period the number of notified epidemics of different infections equals 100%. during the period 1984-1988 as compared with 1979-1983, there was a decline in the number of epidemics of salmonelloses in health institutions from 42% to 14%, whereby almost half these epidemics were caused by salmonella agona spread via dried milk. conversely the ... | 1991 | 1827364 |
| [the role of day-old chicks in the transmission of salmonella enteritidis]. | the epidemiological analysis of an outbreak of salmonellosis, registered in may 1988 on the territory of two regions of the karelian assr and covering 10 villages, was carried out. altogether 112 persons were affected. one-day old chickens sold to the population by the local poultry plant were the source of infection which was transmitted through everyday contacts: those persons who had direct contact with chickens were affected. s. enteritidis with similar biological characteristics were isolat ... | 1991 | 1832259 |
| an agar gel enzyme assay (agea) for simple detection of salmonella enteritidis antibodies in chicken sera. | an agar gel enzyme assay (agea) was developed for the detection of antibodies to salmonella enteritidis (se). the assay was based on the ability of antibodies to diffuse through an agar gel and react with antigen coated on a polystyrene surface. the antigen-antibody reaction was then made visible by applying an enzyme-conjugated anti-immunoglobulin and the addition, subsequently, of a substrate-containing gel. the color change in circular zones was taken as the indication for the presence of ant ... | 1991 | 1832368 |
| [salmonella enteritidis infection at the site of an articular prosthesis]. | | 1991 | 1832770 |
| [occurrence of salmonellas in lakes and rivers and drinking water of southern bavaria]. | salmonella could be isolated from nine of 596 samples from lakes and from 195 of 1,549 river water samples from south bavaria between 1986 and 1990. in correlation with the classification of bathing waters the salmonella occurrence ranged from 0.3% to 2.9% and 4.3% in lakes and from 1.0% to 7.8% and 23.8% in rivers with regard to water samples which were satisfactory or which were not satisfactory in respect of the guide values and the limit values as determined by the densities of faecal colifo ... | 1991 | 1833706 |
| inflammatory back pain. | | 1991 | 1835419 |
| [increase in salmonella enteritidis infections in man: a world-wide problem]. | during 1985 to 1990 a nearly threefold increase in human salmonellosis was observed in the federal republic of germany, which was mainly due to an extremely high increase of the incidence of the serovar salmonella enteritidis (phage type 4), probably reflecting a worldwide epidemiological phenomenon due to the increased incidence of the serovar enteritidis. poultry and eggs were identified in various countries as most probable sources and routes of infection. an increased virulence for poultry, ... | 1991 | 1837602 |
| salmonella enteritidis pt4 infection in specific pathogen free hens: influence of infecting dose. | the period during which specific pathogen free hens, infected by direct introduction into the crop of either 10(3), 10(6) or 10(8) cells of salmonella enteritidis pt4, excreted the organism in faeces was closely related to the size of the inoculum, with the birds excreting for mean periods of 3.4, 16.4 and 36.8 days, respectively. the production of either igg or igm was also dose related with the birds which received 10(3) cells having lower antibody levels than those in the other two groups. in ... | 1991 | 1838219 |
| resistance to fecal shedding of salmonellae in pigs and chickens vaccinated with an aromatic-dependent mutant of salmonella typhimurium. | the purpose of this study was to evaluate the effectiveness of an aromatic-dependent mutant of salmonella typhimurium as a parenteral vaccine for prevention of fecal shedding of salmonella spp. pigs and chickens were vaccinated im, with 1 x 10(9) and 1 x 10(8) organisms, respectively, followed by a second identical vaccination 2 weeks later. salmonella organisms were not detected by analysis of fecal or cloacal swab specimens from any animal after vaccination. deleterious side effects were not n ... | 1991 | 1838466 |
| a role for tumor necrosis factor in poly(i:c)-induced hemorrhagic necrosis and t-cell-dependent regression of a murine sarcoma. | it was found that intravenous injection of the synthetic double-stranded ribonucleic acid, polyinosinic-polycytidylic acid [poly(i:c)], which is a well-studied interferon (ifn)-inducing agent, can result in extensive hemorrhagic necrosis of the center of an established murine sarcoma and in subsequent complete regression of the surviving rim of the tumor. the poly(i:c)-induced intratumor hemorrhagic reaction was associated with production of appreciable quantities of tumor necrosis factor (tnf) ... | 1991 | 1839310 |
| [an assessment of epidemic outbreaks of salmonellosis connected with poultry plant production]. | the causes of the simultaneous rise of salmonellosis morbidity induced by s. enteritidis among the population of three towns in the perm region were studied. the study revealed the leading role of eggs and chicken meat as factors contributing to the transfer of this infection to the population of different territories, commonly supplied with the products of one poultry plant. the contamination of eggs and chickens with s. enteritidis occurred at the plant due to salmonella infection of chickens, ... | 1991 | 1839812 |
| [salmonellosis: evaluation of 606 strains isolated in dakar]. | from 1979 to 1982, 606 strains of salmonella have been isolated in the laboratories of the chu of dakar, senegal. the endemics serotypes are s. typhi (73%), s. enteritidis (5% and s. typhimurium (5%). among the epidemics serotypes of salmonella, the more commonly isolated is s. ordonnez (10%). these four serotypes represented 93% of the strains of salmonella. seventy per cent of the strains had been isolated from patients aged under less than twenty years. the epidemic serotypes provide essentia ... | 1991 | 1842765 |
| [bacteremia and localized suppurative salmonella non-typhi infections in the elderly: a study of 4 cases observed at the ivrea-castellamonte hospital]. | over a period of 60 months 137 cases of intestinal and extra-intestinal salmonellosis were registered in the microbiology department of the ivrea-castellamonte hospital. the authors conducted a retrospective study relative to the extra-intestinal salmonellosis manifested in elderly patients. in order to carry out such a study the authors considered only patients who were in the hospital, who were over the age of 65, and who had a clinical history different from the usual one of gastroenterocolit ... | 1991 | 1844923 |
| detection of salmonella serogroup d-specific antibodies in the yolks of eggs laid by hens infected with salmonella enteritidis. | eggs laid by hens experimentally infected with salmonella enteritidis were assayed for the presence of serogroup d-specific yolk antibodies. yolk antibodies were detected with s. enteritidis and salmonella pullorum antigens in the microantiglobulin test as early as 9 days after inoculation of hens with s. enteritidis. yolk antibody titers reached peak levels at 3 to 5 wk postinoculation and remained at detectable levels for at least 7 wk postinoculation in eggs from both orally inoculated and ho ... | 1991 | 1852702 |
| effect of anaerobic cecal microflora and dietary lactose on colonization resistance of layer chicks to invasive salmonella enteritidis. | the effect of oral inoculation with anaerobic cultures of cecal microflora and providing lactose in the feed on colonization resistance to invasive salmonella enteritidis was evaluated in newly hatched leghorn chicks. salmonella colonization of the ceca, tissue invasion and organ colonization, horizontal transmission, and seroconversion were significantly decreased (p less than 0.01) in chicks inoculated with cecal flora. the addition of lactose to the feed, in the absence of cecal microflora, f ... | 1991 | 1854317 |
| italian experience in salmonella enteritidis 1978-1988: characterization of isolates from food and man. | salmonella enteritidis accounted for 5.45% of the 118.685 salmonella isolates from man and for 2.65% of the 3.315 salmonella isolates from food in italy in the eleven year period 1978 to 1988. in the years 1978-1982 no s. enteritidis strain was isolated from eggs and poultry; in the years 1983-1988 the 53% of s. enteritidis isolates from food were from eggs and poultry. in 1989 s. enteritidis accounted for 744 isolates from man and 22 from food of which 80% were from eggs and poultry (partial da ... | 1991 | 1854603 |
| [application of various epidemiological markers during an outbreak of food poisoning caused by salmonella]. | | 1991 | 1854848 |
| identification of contemporary plasmid virulence genes in ancestral isolates of salmonella enteritidis and salmonella typhimurium. | six epidemiologically distinct ancestral strains of salmonella enteritidis and 5 of s. typhimurium from the pre-antibiotic era were examined for plasmid content, and for presence of plasmid genes implicated in mouse-virulence. five sizes of plasmid were detected in s. enteritidis varying from 1 to 60 mda. two sizes of plasmid were found in s. typhimurium, 28 and 60 mda. plasmids of the same size were not common to both serovars. the hindiii restriction patterns of 3 of the ancestral s. enteritid ... | 1991 | 1855651 |
| [the current characteristics of the salmonellosis epidemic process in the ussr]. | | 1991 | 1858467 |
| antagonism of endotoxic glucose dyshomeostasis by protein kinase c inhibitors. | activation of protein kinase c (pkc) by bacterial lipopolysaccharide had recently been implicated in the pathogenetic sequence of gram-negative sepsis, endotoxicosis, hyperinsulinism, and the alterations in glucoregulation that eventuate in glucose dyshomeostasis. this study used the peptide antibiotic polymyxin b (pmx-b) and h-7, an isoquinoline sulfonamide, as inhibitors of pkc activation to evaluate responses to provocative insulin and glucose tolerance tests in control vs. endotoxic rats. fe ... | 1991 | 1858953 |
| [induced bacterial chemiluminescence]. | oxygen-peroxide-induced superweak luminescence of some microorganisms has been studied by means of the native chemiluminometer khlm1ts-01. it is established that total chemiluminescence decrease in the bacteria as follows: escherichia coli----bacillus subtilis----proteus vulgaris----bacillus mycoides----b. licheniformis----pseudomonas aeruginosa----staphylococcus epidermidis----s. aureus----serratia marcescens----salmonella enteritidis. a hypothesis is put forward on a possible mechanisms of app ... | 1991 | 1861655 |
| [urgent problems of salmonella infections]. | | 1991 | 1862634 |
| salmonella d enteritis in the newborn: a maternal infant case study. | this is a case of a 31-year-old pregnant female who had diarrhea one week prior to delivery and was later diagnosed as having salmonella d. this report also discusses the physical changes in the neonate within 48 hours post delivery and medical treatment for salmonella d. | 1991 | 1862650 |
| [infection of a neoplastic ovarian cyst caused by salmonella enterica subspecies enterica, serotype enteritidis]. | | 1991 | 1863613 |
| salmonella lung abscess in a patient with acquired immunodeficiency syndrome. | | 1991 | 1864162 |
| systemic lupus erythematosus presenting as salmonella enteritidis bacteremia. | | 1991 | 1865437 |
| diabetes mellitus--a newly described risk factor for infection from salmonella enteritidis. | infections due to salmonella serotype enteritidis have increased markedly in the northeastern united states. due to the potential severity of these infections, host risk factors for infection were determined in the largest nosocomial s. enteritidis outbreak to have occurred in the united states. in a case-control study, patients in a new york city hospital who developed infection after exposure to an s. enteritidis-contaminated meal were more likely to be medication-dependent diabetics than were ... | 1991 | 1869841 |
| the 106-kilobase plasmid of salmonella braenderup and the 100-kilobase plasmid of salmonella typhimurium are not necessary for the pathogenicity in experimental models. | among 1.041 clinical isolates (77 serovars) of salmonella which had been derived from cases with acute enterocolitis, 601 (58%) contained one or more plasmids. large serovar-specific plasmids were seen in 95 of 307 isolates (31%) of salmonella typhimurium, in 34 of 34 isolates (100%) of salmonella enteritidis and in 36 of 38 isolates (94.7%) of salmonella braenderup: the sizes of which were 100, 60 and 106 kilobases (kb), respectively. in order to determine the role of these plasmids in pathogen ... | 1991 | 1870436 |
| [salmonella enteritidis in chicken eggs]. | after an outbreak caused by salmonella enteritidis (se) of which home-made mayonnaise and remoulade sauce were found to be the cause, se was detected in ten of the remaining eggs. subsequently 409 eggs of the next shipment from the same outlet were examined bacteriologically. of 70 of the eggs examined, se was found in 5 egg yolk samples and in 3 egg white samples as well as in 2 of 7 pooled shell samples. five out of 35 pooled whole egg samples comprising a total of 349 eggs were likewise posit ... | 1991 | 1872792 |
| the prevalence of salmonella enteritidis and other salmonella sp. among canadian registered commercial chicken broiler flocks. | a nation-wide survey was conducted to estimate the prevalence of salmonella enteritidis and other salmonellas among canadian commercial broiler flocks. environmental (litter and/or water) samples from 226 of 294 (76.9%) randomly selected flocks were contaminated with salmonellas. litter samples were more often contaminated with salmonellas than water samples (47.4 v. 12.3%). fifty different salmonella serovars were isolated. the most prevalent serovars were s. hadar, s. infantis, and s. schwarze ... | 1991 | 1879484 |
| interleukin-3 enhances cytokine production by lps-stimulated macrophages. | in addition to its hematopoietic activities, interleukin-3 (il-3) can modulate macrophage functions. we have studied the production of interleukin-1 (il-1), interleukin-6 (il-6) and tumor necrosis factor (tnf) by mouse peritoneal macrophages triggered by lipopolysaccharide (lps) in the presence or absence of il-3. interleukin-3 at the concentration used (i.e., 100 u/ml) did not induce the production of any cytokines, whereas it enhanced significantly the secretion of il-1, il-6 and tnf by lps-st ... | 1991 | 1885210 |
| [the determination in saliva of iga antibodies to shigella ribosomes for the diagnosis of dysentery]. | the levels of antiribosomal antibodies to shigella ribosomes in serum and saliva samples from 38 dysentery patients (15 s. sonnei cases and 23 s. flexneri cases), 14 patients with salmonellosis and 136 healthy adults were determined in elisa with ribosomes from s. sonnei r-mutant used as solid-phase antigen. high levels of "normal" antiribosomal iga, igg and igm antibodies were revealed in the sera of healthy persons while the level of salivary iga antibodies was very low. in dysentery infection ... | 1991 | 1887713 |
| the growth of salmonellae in tomatoes. | the growth of salmonella enteritidis, s. infantis and s. typhimurium in tomatoes was studied at 7,22 and 30 degrees c. the ph values of tomatoes varied from 3.99 to 4.37 before incubation and from 3.90 to 4.36 after incubation at different temperatures. no growth was observed at 7 degrees c. s. enteritidis, s. infantis and s. typhimurium grew from cell densities of 1.2 x 10(1), 0.7 x 10(1) per g to 2.0 x 10(6), 2.3 x 10(6) and 7.1 x 10(6) per g, respectively, at 22 degrees c in 24 h. at 30 degre ... | 1991 | 1888661 |
| [salmonella enteritidis and eggs: a never ending menace]. | | 1991 | 1890896 |
| immunity conferred by aro- salmonella live vaccines. | the specificity of protection conferred by aro- salmonellae was studied in balb/c mice challenged 3 months after intravenous (i.v.) vaccination, more than 1 month after the vaccine had been cleared. oral challenge showed better protection than i.v. challenge. salmonella typhimurium aroa sl3261 conferred very good protection against wild-type s. typhimurium c5 (over 10,000 x ld50). cross protection experiments were performed using s. typhimurium, s. enteritidis and s. dublin for vaccination and c ... | 1991 | 1890952 |
| enzyme-linked immunosorbent assay for the detection of salmonella enteritidis infection in chickens. | an elisa was developed and tested for its ability to detect antibodies against salmonella enteritidis in chickens. various features of the elisa were evaluated and optimized. the outer membrane protein antigens selected by use of the protein immunoblotting method made the assay specific and sensitive. the assay was evaluated in chickens experimentally infected with s enteritidis. blood samples collected at weekly intervals after experimental infection with s enteritidis were analyzed by elisa. r ... | 1991 | 1892261 |
| [rhabdomyolysis associated with salmonella enteritidis infection]. | | 1991 | 1892999 |
| cases that teach clinical reasoning. | | 1991 | 1898945 |
| endotoxin-induced arachidonic acid metabolism requires de novo protein synthesis and protein kinase c activation. | the mechanisms whereby bacterial endotoxins stimulate arachidonic acid metabolism in macrophages are uncertain. both protein kinase c activation and de novo protein synthesis occur in macrophages in response to endotoxin. in this study we evaluated the time course and role of protein kinase c and de novo protein synthesis in endotoxin stimulated arachidonic acid metabolism in resident rat peritoneal macrophages. thromboxane (tx) b2 was measured as the representative arachidonic acid metabolite s ... | 1991 | 1909897 |
| non-typhoid salmonella bacteraemia in greater copenhagen 1984 to 1988. | a retrospective survey of non-typhoid salmonella bacteraemia in the period 1984 to 1988 was carried out by the five departments of clinical microbiology in greater copenhagen. a total of 168 patients were identified. a gradual increase was observed from 11 cases in 1984 to 58 cases in 1988. the corresponding incidence per 100,000 inhabitants in copenhagen rose from 0.9 in 1984 to 5.0 in 1988. during the same period the total registered incidence of human salmonella infections in denmark increase ... | 1991 | 1915383 |
| [veterinary chief inspection for public health. salmonella enteritidis in poultry: monitoring and control 1990/1991]. | | 1991 | 1926100 |
| [rhabdomyolysis and renal insufficiency as complications of acute gastroenteritis caused by salmonella enteritidis]. | | 1991 | 1932500 |