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the utility of accelerated thermal degradation test for predicting the stability of freeze dried parahaemolytic vibrios. 1979546369
synergistic protection against experimental cholera by immunization with cholera toxoid and vaccine.rabbits were immunized with two parenteral injections of wellcome toxoid px389a, wyeth toxoid 20101, or merck bivalent vaccine. other groups of rabbits were immunized with combinations of the merck vaccine and each of the two toxoids. antitoxin responses were monitored in each group of rabbits before livecell challenge of each animal by the ligated intestinal loop assay. inaba and ogawa strains of vibrio cholerae were used for challenge experiments. basically, the data indicate that the toxoids ...1979546785
protection against experimental cholera by oral or parenteral immunization.comparisons were made between the antigenic potency and protective capacity of several cholera toxin derivatives. rabbits were immunized parenterally with 50 microgram of cholera toxin, a subunit, b subunit, procholeragenoid, or wyeth glutaraldehyde toxoid 20101. examination of the antibody response curves revealed that cholera toxin elicited serum antitoxin responses that rose more quickly than in the subunit-immunized animals; however, antitoxin levels were of the same magnitude after 10 weeks ...1979546789
rainbow trout complement fixation used for titration of antibodies against several pathogens.since it is impossible to fix guinea pig complement (c) with rainbow trout (salmo gairdneri) antibodies, whereas it is possible with brown trout (salmo trutta) antibodies, a c fixation test has been designed which uses haemolysin and c from rainbow trout. immunization of trout against lysed sheep red blood cells (srbc) elicited production of haemolytic igm. normal trout serum (nts) can be used as a source of c at a dilution at which its "natural" haemolytic activity (against various homeotherms ...1979547824
cholera el tor in orissa. 1979549919
protein deprivation causes reversible impariment of mucosal immune response to cholera toxoid/toxin in rat gut.scretory antibodies may be the major defence against mucosal infections, especially those due to viruses and non-invasive pathogens such as vibrio cholerae and toxinogenic escherichia coli. the high incidence of mucosal infections in malnourished protein-deficient children may result from defective antibody production, but evidence for this is conflicting. we report here that protein deficiency markedly impairs the mucosal immune reponse to cholera toxiod/toxin (ct), a protein antigen, in rats a ...1979551268
studies on the inhibitory effects of zinc heptanoate on microorganisms.inhibitory effect of zinc heptanoate was observed on different cultures of bacteria and fungi. growth of all the bacteria was inhibited by the compound. greatest inhibition was seen in the case of staphylococcus albus, streptococcus pyogenes, shigella dysenteriae, shigella sonnei, shigella flexneri, salmonella typhi, s. paratyphi a, s. paratyphi b, vibrio cholerae, corynebacterium diphtheriae, and e. coli whereas least inhibition was found in the case of staphylococcus aureus. in triethanolamine ...1979553835
[ovarian cancer: treatment by specific neuraminidase]. 1979554105
stopping of the spontaneous beating of mouse and rat myocardial cells in vitro by a toxin from vibrio parahaemolyticus. 1977559094
[role of toxin in vibrio parahaemolyticus infections]. 1977559139
[effects of detergents on flagellation of vibrio parahaemolyticus]. 1977559791
[new k antigen strain of vibrio parahaemolyticus]. 1977559793
isolation of spirillum/vibrio-like organisms from bovine fetuses. 1977560078
a simple method for the determination of the o-acetyl substitution pattern of the sialic acids of colonic epithelial glycoprotein. 1977560241
[analysis of 012 antigens of vibrio parahaemolyticus strains isolated from cases of food poisoning]. 1977561213
[metabolic system for starch utilization in vibrio parahaemolyticus]. 1977561214
[new serotypes of vibrio parahaemolyticus]. 1977561217
infectious causes of infertility/abortion of cattle in malawi.a survey to demonstrate the presence or absence in malawi of vibriosis, brucellosis, trichomoniasis and rift valley fever was carried out during 1974-1976. 4,876 serum samples were collected from zebu cattle from 231 dip tanks throughout the country and 145 serum samples were taken from exotic cattle at 14 estates. sheath washings were collected from 295 bulls representing indigenous zebus and 54 bulls representing exotic cattle from all parts of malawi. 245 vaginal mucus samples were taken from ...1977561945
[studies of the etiology of infectious abortion in cows in ruse district].a total of 28,159 blood serum samples have been examined for brucellosis, 87--for leptospirosis, 84--for toxoplasmosis, 554--for the presence of rickettsii and neoreckettsii, and 193--for total protein content, albumin, and protein fractions, taken from cows in the course of the years on 40 dairy farms in the district of rousse. bacteriologically were examined 349 aborted fetuses, 178 samples of estral secretion, 57 placentae, and 1002 samples of washings and seminal fluid from bulls for vibrios ...1977562030
[vibrio enteritis--results of research]. 1978567708
central nervous system infection by vibrio fetus.in a 50-year-old cook, partial motor seizures and signs of dominant hemisphere dysfunction developed after a brief nonspecific febrile illness. pleocytosis was seen in the cerebrospinal fluid and findings on cerebral angiography and isotope brain scan suggested a subdural collection. surgical exploration showed only thickening and inflammation of the dura. cultures of this tissue and of the patient's blood were positive for vibrio fetus, an organism common in sheep and cattle, but seen rarely in ...1978567769
the enigma of winter dysentery. 1978568536
[cellular response in the mouse to two antigenic extracts from "vibrio cholerae" (author's transl)].at the cellular level the primary response in balb/c mice to an antigen prepared from a strain of vibrio cholerae ogawa was studied by a localized vibriolytic plaque procedures which permits the enumeration of immunocytes. the antibody response to a single injection with identical doses of antigen was comparatively studied by both intraperitoneal and subcutaneous immunization. the highest titre was noted two weeks after the intraperitoneal and three days after the subcutaneous injection. inhibit ...1978568906
requirement of calcium ions for cell degeneration with a toxin (vibriolysin) from vibrio parahaemolyticus.a highly purified toxin (vibriolysin) from vibrio parahaemolyticus caused degeneration of cell shape, such as bleb and balloon formation, of mouse myocardial cells and mouse melanoma cells in culture. an extracellular ca2+ concentration of more than 10(-6) m was necessary for the degeneration of cell shape, but extracellular mg2+, na+, and k+ were not necessary. in the presence of extracellular ca2+, vibriolysin also caused full contraction of myofibrils of mouse myocardial cells and reduction o ...1978569646
basic criteria and classification scheme for bacteriophages acting against cholera vibrios of the classical and el tor biotypes.in accordance with the principles, nomenclature and taxonomic tests recommended by the tcnv for the systematization of viruses, cholera and el tor phages were classified in all categories of the taxonomic hierarchy. on the basis of this classification, all known cholera bacteriophages could be affiliated to the biological type vira, sub-type deoxyvira, class 2/d b -- deoxybinala, family phagoviridae, genus phagovirus vibrio and species phagovirus cholerae. phagovirus cholerae includes homologous ...1979574886
phage typing of vibrio cholerae using a new collection of phages.the authors formed a collection of typing phages in order to differentiate cholera vibrios of both biotypes. the collection consists of 7 phages proposed by mukerjee for typing vibrios of the classical biotype and 3 el tor phages isolated at the period of the 7th pandemy of cholera. in forming the typing collection the authors observed the following principles: 1) to crate a single set of typing phages and a single scheme of phage type differentiation of classical cholera and el tor vibrios; 2) ...1979575151
[serologic investigations in a village of haute volta at the end of a cholera epidemic]. 1977579326
ecological study of vibrios in tiber, aniene and small rivers in the rome outskirts. 1977579327
food poisoning due to vibrio parahaemolyticus. 1977580237
isolation of nontoxinogenic mutants of vibrio cholerae in a colorimetric assay for cholera toxin using the s49 mouse lymphosarcoma cell line.a mouse lymphosarcoma (s49) cell line that is growth-inhibited by agents that elevate intracellular concentrations of adenosine 3':5'-cyclic phosphate was used in a sensitive and convenient colorimetric assay for cholera toxin. s49 cells suspended in dulbecco's modified eagle's minimal essential medium containing 10(-5)--10(-6) m ro 20-1724, an analogue of 4-(3,4-demethoxybenzyl)-2-imidazolidinone and a phosphodiesterase inhibitor, were growth-inhibited by subnanogram concentrations of cholera t ...1978580785
nucleic acids hydrolysis by vibrio cholerae. 1978581570
antibiotic resistance of vibrio cholerae: special considerations of r-plasmids.studies on the transmission of r plasmid by conjugation between enterobacteria and vibrio or related bacteria were reviewed. the majority of the reports confirmed successful transmission from enterobacteria to vibrio cholerae and related species, although the transmission frequencies were extremely low and the transmitted r plasmid was very unstable except for thermosensitive kanamycin plasmid and usual r plasmid coexisting with p plasmid. strains of v. cholerae and aeromonas liquefaciens as wel ...1978581573
effect of environmental conditions on the production of two extracellular proteolytic enzymes by vibrio sa1.the production of two extracellular proteases, an endopeptidase and an aminopeptidase, by the marine bacterium vibrio sa1 was studied in batch cultures. the production of the proteases was induced during growth of the organism in peptone media and by several amino acids during growth in minimal media. it was repressed by easily metabolisable carbon compounds such as glucose, lactate and succinate during growth in peptone media. during growth in a lactate basal medium, phenylalanine was one of th ...1978582092
a continuous culture study of the regulation of extracellular protease production in vibrio sa1.during growth of vibrio sa1 in a lactate-limited chemostate in the presence of 2mm phenylalanine as an inducer, the rate of production of two proteolytic enzymes, namely an endopeptidase and an aminopeptidase, was dependent upon the dilution rate. an optimum in the rate of synthesis of both proteases was observed at a dilution rate of 0.23 h-1 and enzyme production only occurred between dilution rates of 0.06 and 0.45 h-1. without inducer a low rate of aminopeptidase production was found with an ...1978582093
characterization of lipid a and polysaccharide moieties of the lipopolysaccharides from vibrio cholerae.lipid a and polysaccharide moieties obtained by mild acid hydrolysis of the lipopolysaccharides from vibrio cholerae 569 b (inaba) and vibrio el-tor (inaba) were characterized. heterogeneity of lipid a fractions was indicated by t.l.c. and by gel filtration of the de-o-acylated products from mild alkaline methanolysis of the lipids. presumably lipid a contains a glucosamine backbone, and the fatty acids are probably bound to the hydroxyl and amino groups of glucosamine residues. approximately eq ...1977588246
variations in whole cell extractable lipids of two antigenically different strains of vibrio cholerae under different growth conditions. 1977590982
na+-dependent activation of nadh oxidase in membrane fractions from halophilic vibrio alginolyticus and v. costicolus.membrane-bound nadh oxidase activities from slightly halophilic marine vibrio alginolyticus and moderately halophilic v. costicolus required 0.3 and 0.5 m na+, respectively, for maximum activity; other cations such as li+,k+,rb+,cs+,mg2+, and ca2+ were relatively ineffective as replacements for na+. the concentration of na+ required to give half-maximum activity with the nadh oxidase from v. alginolyticus was 82 mn. this value was reduced to 6.4 and 13.8 mm in the presence of 400 mm k+ and 10 mm ...1977591506
the rapid diagnosis of cholera.a simple method is described for the diagnosis of cholera, literally within seconds, and for the typing of the organism within minutes. diagnosis is made directly by the microscopical examination of a drop of rice-water stool, using immersion dark-ground illumination, with no adjustment whatever of the lighting, condenser, or objective. it uses the miniature microscope, either in the laboratory, or held in the hand in the absence of a bench, for example at the bedside or in the field. the method ...1977592456
the combined effect of radiotherapy and neuraminidase-treated tumor cells on 3-methylcholanthrene-induced fibrosarcoma.active immunotherapy with tumor cells treated in vitro with vibrio cholerae neuraminidase (vcn) plus mitomycin c augments the antitumor effects of local x irradiation in the treatment of firmly established methylcholanthrene-induced fibrosarcoma, mc-43, in syngeneic c3h/hej female mice. in most experiments, the inhibition of tumor growth was greater when vcn-treated tumor cells were combined with local irradiation than could be achieved with vcn-treated tumor cells or local irradiation alone. ev ...1977592852
ultraviolet sensitivity of vibrio parahaemolyticus, a causative bacterium of food poisoning. 1977594178
[isolation of vibrio parahemolyticus from mussel varieties in argentina]. 1977594428
campylobacter fetus (vibrio fetus) infection in dairy herds in south-west scotland.infertility and abortion caused by campylobacter fetus is described in a series of 12 herds in south west scotland during the period may 1974 to december 1976. herd studies show that 44 bulls were involved and that there were 34 bull and 18 cow movements for breeding purposes. the need to include c fetus infection in the differential diagnosis of herd infertility is emphasised.1977595301
[occurrence and pathogenicity of glycine-positive strains of campylobacter (vibrio) fetus serotype 0 1]. 1977595981
[method of identifying l-forms of cholera vibrios]. 1977596012
[detection of l forms of vibrio cholerae in the water of open water reservoirs].l-forms of cholera vibrios were isolated from the river water for the first time. the presence of l-forms in water permitted to suppose that such variants served as one of the forms of cholera causative agent preservation in the external medium.1977596014
[study of allergic reactions in the body after experimental smallpox vaccination].experiments on guinea pigs demonstrated a mixed cellular-humoral character of allergy in smallpox vaccination. the ratio of cellular and humoral components depended on the site of the vaccina application. skin manifestations in smallpox vaccination (hyperemia, infiltration, papula) were due to the multiplication of the virus proper, increased sensitivity of the surrounding tissues to the live vibrio, and specific immunological reconstruction. the skin of the sensitized animal after the anaphylac ...1977596021
[electron microscopic study of the localization of adenylate cyclase in the small intestinal epithelial cells of rabbits with nag-infections].as found, in nag-infection primary intensification of adenylate cyclase activity occurred at the apical plasmalemma of the villar cells; then the process spread to the lateral and further to the basal plasmalemma of the enterocytes. at more advanced stages of nag-infection an increased adenylate cyclase activity was observed in the crypt cells. thus, with increased duration of the toxin action there was a gradual rise of the enzyme activity, and the epithelial cells of the small intestine in the ...1977597613
a simple selective medium for isolation of vibrios with particular reference to vibrio parahaemolyticus. 1977598910
membrane-bound enterotoxin of vibrio cholerae.the mode of transport of the complex toxin molecule of vibrio cholerae (which has a mol. wt of 84000 and consists of several subunits) across the inner and outer membranes of v. cholerae is not known. in this study we found two peptides in the outer and inner membranes of v. cholerae which may be the form in which the toxin subunits are transported across the membrane. we examined two growth conditions: aerobic growth at 37 degrees c, when most of the synthesized toxin is membrane-bound; and ana ...1977599329
additional serovars and inter-o antigenic relationships of vibrio cholerae. 1977599728
serovars of vibrio cholerae identified during 1970-1975. 1977599729
[preliminary serological investigations on aeromonas and vibrio strains associated with the ulcussyndrome in cod (author's transl)]. 1977600698
[biochemical properties of the fish pathogen vibrio anguillarum (author's transl)]. 1977600705
[the microbiology of the ulcus syndrome in cod and the relations to the microbiology in the coastal regions (author's transl)]. 1977600707
[the relations between primary producers and vibrionaceae in danish coastal regions (author's transl)]. 1977600708
[vibriosis in wild fish and in marine fish cultures in norway (author's transl)]. 1977600709
[host specific pathogenecity in vibrio anguillarum strains isolated from salmonids and coalfish (author's transl)]. 1977600710
[houseflies (m. domestica l.) as transmitters of the agent of cholera].the authors present the experimental results of study of the role played by domestic flies in the spread of cholera causative agents. it was found that cholera microbes survived on the external surface of flies for 5 to 7 days, and in the insect organism--in the course of their whole life. cholera vibrios underwent no sharp changes in the organism of flies. by means of individual infection method and keeping of flies excluding a possibility. by means of individual infection method and keeping o ...1977602541
re-examination of small intestinal disposal of vibrio cholerae in mice.the rapid disposal of antibody-treated vibrios by peristalsis in whole animal models makes it difficult to obtain clear evidence for a simultaneous intra-intestinal bactericidal effect. in this paper we have re-examined the evidence for direct intra-intestinal killing. we have found that the data can be explained adequately by peristaltic effects without postulating a direct bactericidal action in vivo.1977603462
isolation and characterisation of a non-toxinogenic mutant of v. cholerae and possibility of a live oral cholera vaccine. 1977604253
salt-starch xylose lysine deoxycholate agar. a single medium for the isolation of sodium and non-sodium dependent enteric gram-negative bacilli.salt dependent gram-negative bacilli responsible for gastroenteritis and tissue infections are often not recovered because proper media for isolation are not used. a salt-starch xld agar with 1.5% nac1 and 0.5% starch medium has been found to permit the isolation of pathogenic enterobacteriaceae, non-enterobacteriaceae gram-negative bacilli, and salt-dependent gram-negative bacilli, among which is vibrio parahemolyticus. as far as the enterobacteriaceae are concerned, the selectivity and sensiti ...1977604729
the surface antigens of campylobacter sputorum subspecies mucosalis.campylobacter sputorum subsp mucosalis is the vibrio associated with a group of porcine enteropathies in which it is believed the primary lesion is that of adenomatosis. the surface antigens of mucosalis were investigated and individual factor sera were produced; these were used to examine a range of field strains from adenomatosis, necrotic enteritis, regional ileitis and proliferative haemorrhagic enteropathy. neither these not sequential isolants from the same farm showed any distinctive anti ...1977605305
boosting of secretory iga antibody responses in man by parenteral cholera vaccination.the occurrence of specific antibodies to vibrio cholerae lipopolysaccharide in serum, milk, and saliva of pakistani women from a very low socioeconomic group was studied before and after a single subcutaneous cholera vaccination. before immunization all women had low levels of specific antibodies in serum, primarily of igm class, and in many cases cholera iga angibodies were found in milk and saliva as well, indicating earlier natural exposure. the vaccination consistently induced a marked rise ...1977605366
[lethal activities of the thermostable direct hemolysin produced by vibrio parahaemolyticus (author's transl)]. 1977606853
[functional condition of the intestine in nag (nonagglutinating vibrios)infection]. 1977606976
[choleric vibrios and their atypical forms]. 1977607469
[isolation of halophilic vibrios as possible agents of food poisoning (author's transl)].seventy-six halophilic vibrio strains were isolated from different marine sources such as coastal waters, fishes and mussels. twenty strains were identified as vibrio parahaemolyticus, 44 as vibrio alginolyticus and 12 other strains could not be classified because of their atypical biochemical activities. further investigations are necessary in order to assess if the present strains of v. parahaemolyticus can have a role in food poisoning outbreaks or human sporadic enteritis in our geographic a ...1977607885
possible immunological action of vibrio cholerae neuraminidase (vcn) in tumor immunotherapy. 1977608528
spontaneous mammary tumors in mongrel dogs. a relevant model to demonstrate tumor therapeutical success by application of neuraminidase-treated tumor cells. 1977608530
toxicological studies with therapeutically-applicable vibrio cholerae neuraminidase.neuraminidase was submitted to a preclinical toxicological investigation in short--and long--term experiments. the acute toxicity in mice, rats, and guinea pigs is low (ld 50 i.v.: mouse 30,000 units/kg, rat 44,000 units/kg, guinea pig 7,700 units/kg; s.c.: mouse, rat, guinea pig more than 30,000 u/kg). after i.v. injection into dogs, respiration is not at all and blood pressure only slightly altered. neuraminidase is pyrogenfree in the rabbit test. assays of antigenicity in guinea pigs and test ...1977608531
an investigation of cholora outbreak in raipur district. 1977608722
carrier state in cholera. 1977608772
an epidemiological approach to the study of the role of carriers and natural water sources in the maintenance of cholera infection in an endemic area in calcutta. 1977608773
[non agglutinable cholera vibrios (nag) in sewage, riverwater, and seawater (author's transl)]. 1977610254
studies of the polysaccharide fraction from the cell wall lipopolysaccharides (o-antigens) of vibrio cholerae. 1977612536
[comparative study of the media of monsu-agar and tcbs for the isolation of vibrios from residual waters]. 1977613442
[isolation of vibrio parahaemoliticus in residual waters]. 1977613445
first isolation in sri lanka of vibrion parahaemolyticus from a case of gastro-enteritis. 1977614098
vibrio parahaemolyticus as a cause of epidemic gastroenteritis. 1977615134
"vibrio cholerae" nag strains typable with cholera phages. 1977616256
bacteriology and laboratory diagnosis of cholera. 1977617670
failure of immunotherapy with neuraminidase-treated tumor cell vaccine in mice bearing established 3-methylcholanthrene-induced sarcomas.c3h/hej mice bearing mc-80 fibrosarcomas were given immunotherapy consisting of multiple injections of a vibrio cholerae neuraminidase (vcn)-treated tumor cell vaccine at a site remote from the established tumor. in five separate experiments we were unable to show either partial or complete tumor regression or prolongation of survival for vaccine-treated mice compared to appropriate controls. further, the use of bcg in addition to vcn-treated tumor cells failed to show any therapeutic efficacy. ...1978621758
vibrio anguillarum and larval mortality in a california coastal shellfish hatchery.vibrio anguillarum was isolated as a pathogen in the commercial culture of oyster spat at pigeon point, calif. a water-soluble, heat-stable exotoxin extracted from cultures of the vibrio inhibited larval swimming and contributed to larval mortality. although the vibrio was insensitive to penicillin in standard plate testing, this antibiotic proved useful in preventing mass larval mortalities in the hatchery.1978623467
quantitative measurements of cholera enterotoxin in cultures of toxinogenic wild-type and nontoxinogenic mutant strains of vibrio cholerae by using a sensitive and specific reversed passive hemagglutination assay for cholera enerotoxin.a sensitive and specific reversed passive hemagglutination (rpha) assay for cholera enterotoxin has been developed. equine anti-choleragenoid antibodies purified by immunoadsorption were covalently coupled to formalinized sheep erythrocytes, using bis-diazotized benzidine, and the antitoxin-sensitized erythrocytes were shown to agglutinate specifically in the presence of cholera enterotoxin. in a microtiter rpha assay system, the smallest quantity of enterotoxin that caused hemagglutination was ...1978624584
vibrio parahaemolyticus enterocolitis in bangladesh: report of an outbreak.in march 1974 eight men in chandpur, bangladesh, experienced an illness characterized by severe abdominal cramps, nausea, vomiting and bloody diarrhea with onset 20 min to 9 h (median 2.5 h) after eating one of two fish dishes at a restaurant. rectal cultures from all eight grew kanagawa-positive strains of vibrio parahaemolyticus (serotype o3k5) that were negative in the sereny test for invasiveness and the y-1 adrenal cell and infant mouse assays for enterotoxin production. the short incubatio ...1978626266
the distribution of vibrio parahaemolyticus in british coastal waters: report of a collaborative study 1975--6.a collaborative survey has shown that v. parahaemolyticus is widely distributed in british coastal waters, sediments and shellfish, especially in southern and western areas. the relatively small numbers in the environment do not present significant health hazards from marine products, provided that processing, storage and distribution are adequate. the presence of this organism in small numbers in british coastal waters or in shellfish should not in itself be regarded as cause for concern.1978632568
suppression of pathogenicity by p and v plasmids in vibrio cholerae.in experimental models of cholera, some strains of vibrio cholerae harbouring p or v or both plasmids were markedly less pathogenic than isogenic strains devoid of these plasmids. this effect was due to decreased production of toxin by p+, v+ or p+v+ bacteria compared with their parents.1978632803
bacteria induced shell disease of lobsters (homarus americanus).chitin degrading species of bacteria in the genera pseudomonas, vibrio, and beneckea were cultured from the lesions of lobsters (homarus americanus) with a shell disease. a species of bacterium of the genus vibrio (beneckea) produced necrosis characteristics of shell disease in experimental lobsters when the integument had been damaged prior to inoculation.1978633512
effect of trimethoprim-sulphamethoxazole on vibrio clearance in cholera (el tor): a comparative study.the efficacy of trimethoprim-sulphamethoxazole (tmp-smx) has been compared with that of tetracycline and chloramphenicol in 175 bacteriologically confirmed cases of cholera admitted to the infectious diseases hospital delhi. vibrio cholerae, biotype el tor, serotype ogawa, were isolated from all the patients. tmp-smx showed greater in vitro inhibition and earlier eradication from the intestinal tract and is recommended as a suitable vibriocidal agent against cholera.1978635974
on the significance of sialic acid in high affinity 5-hydroxytryptamine uptake by synaptosomes.synaptosomes isolated from rat brain cortex incorporated [14c]5-hydroxytryptamine at 37 degrees c with high affinity. an apparent transport constant of kt = 50nm was found. the high affinity uptake was decreased by treatment of synaptosomes with neuraminidase from vibrio cholerae or clostridium perfringens prior to incubation with [14c]5-hydroxytryptamine. the inhibition was related to the amount of sialic acid released, with a ki value of 3.5 micrometer. a non-competitive type of inhibition was ...1978640586
some interesting isolates from a diagnostic laboratory.citrobacter koseri, plesiomonas shigelloides, edwardsiella tarda, yersinia enterocolitica, alkalescens dispar, vibrio parahaemolyticus, and vibrio alginolyticus were seven interesting microorganisms isolated recently in our diagnostic laboratory.1978641196
non-cholera vibrio infections in the united states. clinical, epidemiologic, and laboratory features.non-cholera vibrios are organisms that are biochemically indistinguishable from vibrio cholerae but do not agglutinate in vibrio 0 group 1 antiserum. since 1972 there has been a dramatic increase in the number of these organisms referred to the center for disease control for identification. clinical, epidemiologic, and laboratory data were analyzed for 26 of 28 patients with isolates identified between january 1972 and march 1975. thirteen (50%) of the isolates were obtained from feces of patien ...1978646241
in vitro response to chloramphenicol, tetracycline, ampicillin, gentamicin, and beta-lactamase production by halophilic vibrios from human and environmental sources.isolates of vibrio parahaemolyticus and v. alginolyticus from human and environmental sources were examined for antibiotic susceptibility by the methods of minimal inhibitory concentration (mic) in broth and agar diffusion. these strains were found to be almost uniformly susceptible to chloramphenicol and tetracycline within attainable serum levels. the relationships of zone sizes to mics for these two antimicrobial agents and ampicillin conformed essentially to those obtained by standard method ...1978646346
[morphological and immunomorphological changes in the intestines and regional lymph nodes of gnotobiotic rats--chronic carriers of vibrio cholerae el-tor].in the course of chronic carrier state of el-tor vibrio cholerae gnotobiotic rats develop an immunomorphological reaction in the mucous membranes of the small and large intestines, peter's patches, and mesenterial lymph nodes consisting in activation of reactive centers of follicles, hyperplasia of reticular cells, and an increase in the number of pyroninophilic plasma cells. the vibrio cholerae caused no pathological changes in enterocytes and other cells but its inoculation was accompanied by ...1978646664
an ecological study of bacteriophages of vibrio natriegens.effects of temperature and anaerobic conditions on the replication of two bacteriophages, nt-1 and nt-6, of the estuarine bacterium vibrio natriegens were studied. reduction in temperature resulted in longer latent periods and reduced burst sizes for both phages. replication under anaerobic conditions resulted in longer latent periods; however, phage nt-6 had a reduced burst size, whereas phage nt-1 had an increased burst size, resulting in a rate of phage production nearly equal to that observe ...1978647480
[a patient with cholera in the netherlands]. 1978652083
[comparison of the reactions to gamma irradiation of bacteria from the genus vibrio and representative bacteria from other taxonomic groups]. 1978652969
influence of diet on experimental swine dysentery. 2. effects of a vitamin e and selenium deficient diet supplemented with 3% cod liver oil, vitamin e or selenium. 1978655023
the critical role of iron in host-bacterial interactions.the ability of potential pathogens to acquire iron in a host is an important determinant of both their virulence and the nature of the infection produced. virulent gram-negative bacteria are capable of acquiring sufficient iron from the host because their virulence (for chick embryos) is unaffected by exogenous iron. avirulent mutants which are apparently limited in their ability to acquire iron could be isolated from the virulent strains. the lethality of these mutants was significantly enhance ...1978659605
systemic vibriosis due to non-cholera vibrio.a case of extraintestinal vibriosis with septicaemia due to a non-cholera vibrio, from which the patient had recovered, is presented. diagnostically useful clinical and laboratory data are described together with an outline of the combined medical and surgical treatment regimen which is employed. the association with excessive alcohol consumption and liver diseases is noted.1978661684
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