changes in the trend of shigellosis in dhaka: family study on secondary infection, clinical manifestation and sensitivity pattern: 1980. | the incidence of shigellosis and the death rate have increased and the resistance of shigellae to antibiotics has changed in dhaka during our experiences. in 1980, we investigated the secondary infection and case rates, infection to case ratio, duration of illness, excretion of shigellae and antibiotic sensitivity pattern in 100 families with cases of shigellosis, culturing rectal swabs obtained by home visits for a 10-day period. standard methods were used for culture and sensitivity tests. the ... | 1984 | 6380011 |
[structure of a shigella flexneri population in the process of forming microcolonies]. | the study of the adaptation period of the s- and r-forms of s. flexneri in a nutritionally sufficient medium has revealed that the population structure characteristic of the s-form and ra-chemotype comprises two classes of cells: actively growing and nonviable. besides these two classes, the class of spontaneously lysing bacteria is present in the population of mutants with various degrees of lipopolysaccharide (lps) lesions. the number of bacteria subject to autolysis increases with the progres ... | 1984 | 6380164 |
purification and properties of carboxylesterase b of escherichia coli. | carboxylesterase b produced by escherichia coli was purified 1,350-fold with a recovery of 12% by successive gel filtrations, deae-trisacryl, phenyl-sepharose chromatography and preparative electrophoresis. the purified enzyme was found to be homogeneous, as judged by a single precipitation line in ouchterlony double diffusion in an experiment with homologous antiserum. the apparent molecular weight determined by gel filtration and the isoelectric point determined by electrofocusing were 57,000 ... | 1984 | 6380369 |
cytotoxicity of human peripheral blood and colostral leukocytes against shigella species. | we examined the ability of human peripheral blood leukocytes to kill strains of shigella sonnei and shigella flexneri by using a modified bactericidal assay. antibody-dependent cellular cytotoxicity (adcc) was demonstrated in the presence of specific rabbit immune serum directed against s. sonnei. with peripheral blood leukocytes from adults, adcc was found only in the mononuclear cell and purified lymphocyte populations. monocyte-macrophages and polymorphonuclear leukocytes were unable to demon ... | 1984 | 6384045 |
heterogeneity of lipid a: comparison of lipid a types from different gram-negative bacteria. | chloroform-soluble purified lipid a preparations from 10 sources, including five escherichia coli strains (eh100, k-12, o127, o111, rcdc), two salmonella strains (salmonella typhimurium, salmonella minnesota r595), shigella sonnei ii, and a hybrid of shigella flexneri and e. coli k-12, were compared with lipid a from s. flexneri. purified lipid a from s. flexneri was earlier found to be composed of eight fractions. the various lipid a preparations were assayed by thin-layer chromatography. chrom ... | 1984 | 6384185 |
effect of cytochalasin b and dihydrocytochalasin b on invasiveness of entero-invasive bacteria in hep-2 cell cultures. | the effect of cytochalasin b (cb) and di-hydrocytochalasin b (h2cb) on the invasiveness of salmonella typhimurium, shigella flexneri and yersinia enterocolotica serotype 0:3 in hep-2 cell cultures was examined. the intra-cellular and extra-cellular bacteria were identified by a combination of nomarski interference contrast microscopy and uv incident light microscopy applied on the same light microscope. pre-treatment of cells with cb and h2cb inhibited the uptake of s. typhimurium and s. flexner ... | 1984 | 6385614 |
usefulness of plasmid profiles for differentiation of shigella isolates in bangladesh. | we studied the plasmid profiles of 136 shigella isolates in bangladesh to determine whether plasmid profiles could be used for differentiation of strains for epidemiological studies. many different plasmid patterns were observed within each species, indicating that many genetically different strains of shigella are responsible for illness in bangladesh. | 1984 | 6386850 |
oral vaccination of monkeys with an invasive escherichia coli k-12 hybrid expressing shigella flexneri 2a somatic antigen. | a living oral vaccine, designed to protect against shigella flexneri 2a infections, was constructed by using escherichia coli k-12 as a carrier strain. the hybrid strain, designated ec104, contained both chromosomal and plasmid genes from s. flexneri donor strains. in addition to expressing the s. flexneri 2a somatic antigen, it had inherited the property of epithelial-cell invasion. after the oral administration to rhesus monkeys, ec104 was isolated from the feces for up to 3 days, but by day 4 ... | 1984 | 6389344 |
the prevalence of gastro-intestinal parasites and bacteria in the game scouts at the kainji lake national park of nigeria. | the faeces of twenty scouts working at borgu games were examined for the presence of parasites and bacteria. cysts of entamoeba histolytica, giardia lamblia and trichomonas hominis were found. helminth ova encountered included those of ancylostoma duodenale, ascaris lumbricoides, stronglyloides stercoralis and trichuris trichiura. escherichia coli and shigella flexneri were isolated from one faecal sample each. in all, parasites were found in the faeces of only 9 scouts. the epidemiological sign ... | 1984 | 6389403 |
[bacillary dysentery 1982]. | | 1984 | 6390523 |
[clinical and treatment characteristics of acute dysentery caused by shigella boydii and newcastle]. | | 1984 | 6390958 |
[further decrease in intestinal infection morbidity in the ukrainian ssr]. | | 1984 | 6390962 |
[conditions and factors determining the etiological structure of dysentery and its alterations. ii. concepts, hypotheses and points of view yesterday and today]. | | 1984 | 6391040 |
[conditions and factors determining the etiological structure of dysentery and its alterations. iii. the epidemiological assessment of the biological properties of shigella and their importance in the development of the epidemic process in different nosological forms of dysentery]. | | 1984 | 6391041 |
dna hybridization technique to detect shigella species and enteroinvasive escherichia coli. | a dna hybridization method for the detection of shigella species and enteroinvasive escherichia coli is described. it is based upon the high degree of homology shared by the virulence plasmids present in all pathogenic strains. after 32p labeling, a 17-kilobase ecori restriction fragment of a virulence plasmid belonging to shigella flexneri serotype 5 was used as a probe to detect shigella species and enteroinvasive e. coli in isolated colonies. this method proved highly specific as well as sens ... | 1984 | 6392327 |
shigella vulvovaginitis in a three-year-old child: a case report. | | 1984 | 6392838 |
[identification of specific antibodies in dysentery]. | | 1984 | 6393359 |
shigellemia. | | 1984 | 6394497 |
association of pneumonia with undernutrition and shigellosis. | | 1984 | 6394498 |
the effect of postnatal age on the adherence of shigella flexneri, escherichia coli 0124, and e. coli 0128 to guinea pig intestinal cells. | since postnatal development of the gastrointestinal tract has an important effect on its microbial flora and may influence the types of intestinal infections, we examined the effect of age on bacterial adherence to intestinal epithelial cells. radiolabeled bacteria were incubated with guinea pig enterocytes released by treating loops of the intestine with solutions containing edta, dithiothreitol, and citrate. nonbound bacteria were separated from intestinal cells by sedimentation on a percoll g ... | 1984 | 6395082 |
[species of shigella isolated in a 4-year period and antimicrobial sensitivity]. | | 1984 | 6395307 |
[structure of the causative agents of shigellosis in areas of the ussr 1979-1981]. | summarized data on the specific structure of shigella strains isolated in different territories of the ussr in 1979-1981 are presented. these data indicate that in the intra-specific structure of s. flexneri strains the proportion of serological subvariant 2a increased and that of serological variant 6 and subvariants 16 and 4a decreased during this period. using one of the base territories of the all-union shigellosis center as an example, the spread of an unusual serological variant of s. flex ... | 1984 | 6395590 |
[cathepsin d activity in splenocytes in relation to shigella virulence in an experiment]. | the overtime study of changes in the activity of cathepsin d, a lysosomal enzyme, in the splenocytes of cba mice after their infection with virulent and avirulent shigella strains of the same origin and with the same antigenic structure has been made. as the result of two months of observations, changes in the activity of this enzyme in the cytoplasmic and lysosomal cell fractions have been found to occur in phases. the activity of cathepsin d has been shown to depend on the virulence of shigell ... | 1984 | 6395592 |
shigellosis: an old disease with new faces. | | 1984 | 6397507 |
can erythema nodosum and reactive arthritis be a sequel to shigella flexneri gastroenteritis? | erythema nodosum and seronegative arthritis associated with diarrhoea was previously regarded as implying the presence of inflammatory bowel disease. recently, however, erythema nodosum has been described as a sequel to diarrhoea caused by infection with salmonella typhimurium, yersinia enterocolitica and campylobacter jejuni. we report two patients in whom erythema nodosum and reactive arthritis followed acute shigella flexneri gastroenteritis, a rare association. | 1984 | 6398514 |
protective properties of peptidoglycan associated protein of shigella flexneri. | groups of ch3/hej mice were immunized with peptidoglycan associated protein (pgp) from shigella flexneri 3a administered in a single intraperitoneal injection (5 micrograms per mouse). after various periods post immunization the animals were challenged intraperitoneally with homologous bacteria. pgp proved to be strongly immunogenic. as early as one week after immunization all the animals survived challenge with 100 x ld100, and one third of the animals survived challenge with a dose of 500 x ld ... | 1984 | 6398687 |
changing patterns of drug resistance in shigella flexneri serotypes (1978-82). | | 1984 | 6399026 |
vaccine strain sh. flexneri t32-istrati. studies in animals and in volunteers. antidysentery immunoprophylaxis and immunotherapy by live vaccine vadizen (sh. flexneri t32-istrati). | | 1984 | 6400299 |
determination of humoral antibodies against shigella flexneri 2a t32 (istrati) by elisa. | | 1984 | 6400300 |
study on the effect of oral immunization of t32-istrati strain against bacillary dysentery in field trials. | | 1984 | 6400301 |
immunoprophylaxis against bacillary dysentery by dysentery live vaccine vadizen (shigella flexneri t32-istrati) in children collectivities in sv county. | | 1984 | 6400302 |
results of dysentery vaccinations by live vaccine vadizen (sh. flexneri 2a t32-istrati) in children collectivities in gl. | | 1984 | 6400303 |
immunoprophylactic effect of dysentery vaccination by live dysentery vaccine vadizen (sh. flexneri t32-istrati) in children and adult collectivities in bt county. | | 1984 | 6400304 |
antidysentery vaccination by live vaccine vadizen (sh. flexneri t32-istrati) in children collectivities in ph county. | | 1984 | 6400305 |
investigations concerning the immunoprophylactic effect of the antidysentery vaccination by live vaccine vadizen (sh. flexneri t32-istrati) in children. | | 1984 | 6400306 |
prophylaxis of bacillary dysentery by liver vaccine vadizen (sh. flexneri t32-istrati) in children collectivities in is county. | | 1984 | 6400307 |
economical evaluation of the dysentery vaccination in b municipality. | | 1984 | 6400308 |
aspects of the dysentery evolution in the territory surveilled by the sanitary-antiepidemic center of b municipality--laboratory no 2 (administrative district 2 and 3) after the introduction of the dysentery vaccination. | | 1984 | 6400309 |
reduction of morbidity due to bacillary dysentery by live vaccine vadizen (sh. flexneri t32-istrati) in children collectivities in bh county. | | 1984 | 6400310 |
improvement of production and control methods of live dysentery vaccine vadizen (shigella flexneri 2a t32-istrati). | | 1984 | 6400311 |
acute bacterial diarrhoeas due to salmonella, shigella and enteropathogenic escherichia coli in zambia. | | 1984 | 6400676 |
[a possible way of improving colibacterin]. | | 1984 | 6401093 |
[a comparative analysis of beta-lactamase activity in enterobacteria]. | | 1984 | 6401094 |
[antagonism between virulent shigella and avirulent shigella]. | | 1983 | 6406619 |
drug resistance in shigella dysenteriae, s flexneri and s boydii in england and wales: increasing incidence of resistance to trimethoprim. | a total of 2753 strains of shigella belonging to subgroups a, b, and c that were isolated from patients in england and wales during the period from 1979 to mid-1983 were studied. of these, 1690 (61%) were from patients recently returned from abroad or in contact with recent travellers, and 760 (45%) of these affected travellers from the indian subcontinent. the number of strains resistant to sulphonamides and streptomycin remained at a high level throughout (average 76% and 72% respectively). re ... | 1984 | 6423079 |
shigellosis among tourists--union of soviet socialist republics, 1983. | | 1984 | 6423959 |
pseudomonas aeruginosa acid phosphatase and cholinesterase induced by choline and its metabolic derivatives may contain a similar anionic peripheral site. | different compounds derived from choline, and obtained by demethylation or by oxidation of the primary alcohol group with subsequent n-demethylation, were tested as inducer agents of acid phosphatase and cholinesterase in ps. aeruginosa. it was found that betaine and dimethylglycine were the most effective inducers of both enzyme activities. these metabolites including choline itself, were not inducers of acid phosphatase and cholinesterase in other gram-negative bacteria such as: escherichia co ... | 1984 | 6436682 |
[use of prodigiozan for increasing the effectiveness of the antibiotic therapy of dysentery in children]. | | 1984 | 6439109 |
[unusual serovar of the causative agent of flexner's dysentery. i. its distribution and biochemical properties]. | the data on the circulation of some s. flexneri strains in the ussr are presented. the antigenic structure of these strains (type antigen 4 and group antigens 7, 8) is not characteristic of known serological subvariants 4a, 4b or var. x. the time course of changes in their spreading on certain base territories controlled by the all-union shigellosis center in 1980-1983 is shown. the biochemical characteristics of s. flexneri strains iv:7,8 under study, isolated in the ussr and abroad (czechoslov ... | 1984 | 6441398 |
enhancement of endotoxicity and reactivity with carbocyanine dye by sonication of lipopolysaccharide. | the specificity of endotoxin (lipopolysaccharide, lps) in the carbocyanine dye reaction was investigated, and then a stoichiometric study of the dye-lps interaction was conducted with attention to the relationship of biological activities of lps to the reactivity with the dye. absorption maxima of some bacterial components in the dye reaction were as follows; lps from both escherichia coli and pseudomonas aeruginosa and lipid a from e. coli lps, 465 nm; shigella flexneri lps, 460 nm; salmonella ... | 1984 | 6442756 |
synthesis and utilization of siderophores by shigella flexneri. | strains of shigella flexneri secrete a hydroxamate-type siderophore when grown in low-iron media. this hydroxamate appears to be identical with aerobactin, a siderophore synthesized by aerobacter aerogenes. in contrast to other enteric bacteria, s. flexneri did not produce detectable phenolate siderophores, although it could utilize an exogenously supplied phenolate. | 1980 | 6447691 |
[tendencies in the epidemic process of dysentery in ryazan]. | in shigellosis caused by sh. sonnei and sh. flexneri the epidemic process was found to have considerable difference in the tendencies and pace of its development. shigellosis which dominated in the etiological structure at the period following 1966 was dysentery caused by sh. sonnei; it showed the tendency towards a decrease in morbidity rate. dysentery caused by sh. flexneri was second in respect to the frequency of its occurrence after 1966 and showed the tendency towards increase. the simulta ... | 1980 | 6449121 |
[use of data on shigella contamination and immunity indices for studying the activity of the epidemic process in dysentery]. | the comparative study of the monthly distribution of characteristics indicating the levels of contamination with sh. sonnei and sh. flexneri separately, as well as the seasonal dynamics of the corresponding antibodies, in the years with high and low morbidity levels has been made with the use the indirect hemagglutination test. the possibility of using these characteristics for the evaluation of the activity of the epidemic process in dysentery caused by sh. sonnei is shown. | 1980 | 6449816 |
[nature of the epidemic process in sonne and flexner dysenteries and the causes of its induction]. | a comparative study of the epidemic process in sh. sonnei and sh. flexneri dysentery in different regions of the ussr revealed that the morbidity level of sh. sonnei dysentery changed simultaneously in the regions under study at intervals of 2-3 years. sh. flexneri dysentery showed morbidity rises occurring at intervals 6-8 years, and their occurrence did not coincide with the periods of elevated morbidity in sh. sonnei dysentery. the data obtained in the cohort analysis and in the study of recu ... | 1981 | 6457474 |
heterogeneity of lipid a. | in a previous study, lipid a from shigella flexneri was separated into eight distinct fractions by thin-layer chromatography (tlc). in the present investigation, lipid a from different gram-negative bacteria was analyzed by thin-layer chromatography for its heterogeneity and compared with lipid a of s. flexneri. purified lipid a preparations from six different enterobacterial species were heterogeneous, but based on rf, comparable bands were found among all preparations. changing the culture con ... | 1984 | 6474004 |
wheat germ agglutinin potentiates uptake of bacteria by murine peritoneal macrophages. | exposure of thioglycollate-elicited murine peritoneal macrophages to wheat germ agglutinin (wga) increased markedly the uptake of six different bacteria, which have surface receptors for the lectin. uptake of staphylococcus aureus h was higher by 3-5-fold, of s. aureus 52a2 by 1.8-fold, of s. aureus 52a5 by 1.7-fold, of s. albus by 2.3-fold, of shigella flexneri by 6-fold and of micrococcus luteus by 6.5-fold. klebsiella pneumoniae, devoid of receptors for wga, was not phagocytosed following pre ... | 1984 | 6547690 |
[the reactive arthritis syndrome. rheumatological limits]. | the term reactive arthritis (ra) refers to an inflammatory joint disease in the absence of bacteria in the joint, but which is caused by a distant extra-articular infection. they occur as a result of a variety of infections, which are essentially genital or gastro-intestinal in subjects with a particular genetic predisposition characterized by the presence of the hla-b27 antigen or one of the creg group of antigens (b7 - b27 - bw22 - bw42). the most complete clinical expression of reactive arthr ... | 1983 | 6607499 |
antibody-dependent cell-mediated antibacterial activity of intestinal lymphocytes with secretory iga. | secretory antibodies of the iga class (siga) are thought to have an important role in the defence against bacteria at mucosal surfaces--the level at which the infectious agents first come into contact with the host. however, the mechanism by which siga exert their antibacterial activity is still a matter of debate. after the recent discovery of receptors for the fc portion of iga (rfc alpha) on lymphocytes, monocytes and granulocytes of human, rabbit, guinea pig and mouse origin, it has been hyp ... | 1983 | 6646200 |
chemiluminescent response to pathogenic organisms: normal human polymorphonuclear leukocytes. | chemiluminescence (cl) is a sensitive indicator of phagocytosis and intracellular killing; however, little is known of the normal cl response by human polymorphonuclear leukocytes to different pathogenic microorganisms. we investigated the luminol-enhanced cl response of normal polymorphonuclear leukocytes to a number of common bacterial pathogens and two yeasts. we analyzed the cl response to viable and heat-killed microorganisms at 25 and 37 degrees c. the cl response to all microorganisms was ... | 1984 | 6693174 |
the leukemoid reaction in shigellosis. | leukemoid reactions occurred in 136 patients (3.8%) hospitalized with shigellosis in bangladesh. sixty-eight percent of the patients with leukemoid reactions were children less than 4 years old. when compared with patients without leukemoid reactions, the leukemoid reactions were significantly associated with children aged less than 10 years. the most common serotype of shigella in the patients with leukemoid reactions was shigella dysenteriae 1, isolated from 96 patients (71%), whereas the most ... | 1984 | 6695872 |
[reiter's syndrome during shigella flexneri infection]. | | 1982 | 6750449 |
[increased sensitivity of immune macrophages to the cytotoxic action of virulent shigellae]. | the in vitro interaction of live bacteria belonging to virulent and avirulent shigella and salmonella strains with peritoneal macrophages obtained from mice immunized by the intragastric administration of these bacteria has been studied. in contrast to salmonella-activated macrophages capable of resisting the intracellular proliferation and the cytopathic action of homologous bacteria, shigella-activated macrophages become more sensitive to the cytopathic action of virulent shigellae. the abilit ... | 1982 | 6750996 |
shigella flexneri bacteremia: a case report. | | 1981 | 6753357 |
[l-transforming effect of furazolidone on shigella flexneri cells]. | the capacity of furazolidone for l-transformation of shigella flexneri was studied with its incubation on 1.3 per cent placenta serum salt difco agar. it was found that a single exposure of shigella cells to 0.05 microgram/ml of furazolidone resulted in transformation of some of them to the elements characteristic of the l-forms, i.e. spherical and granular forms capable of reproduction on routine nutrient media and possessing pronounced sensitivity to penicillin. | 1982 | 6753734 |
[uptake of metals into the cadmium and zinc resistant shigella flexneri]. | | 1982 | 6755006 |
[bacillary dysentery - 1980]. | | 1982 | 6755564 |
[shigella: microbiological aspects and incidence in our environment]. | | 1980 | 6755638 |
early colonic lesions in experimental shigella infection in rhesus monkeys: revisited. | rhesus monkeys (macaca mulatta), given 3 x 10(8) to 5 x 10(10) shigella flexneri 2a orally, developed signs of acute shigellosis within 24 hours. a diffuse acute colitis was well established at 48 hours. the inflammatory reaction was confined to the mucosa. the submucosa showed only edema. the shigellae were found predominantly in the columnar cells of the surface epithelium, less frequently in those of the crypt, and least frequently in the lamina propria. shigella bacilli invaded the columnar ... | 1982 | 6755871 |
[fiéssinger-leroy-reiter syndrome. critical review propos of a case]. | | 1982 | 6757850 |
bacteriological and epidemiological approach to prophylaxis for enteric infection. effects of peritoneal cells from immunized animals on the infectivity of shigella bacillus to hela cells. | | 1981 | 6759764 |
[effect of vaccination on the kinetics of the metabolism of radioactive iodine]. | | 1982 | 6760245 |
new provisional serovar of shigella boydii. | ten bacterial strains are described that give biochemical reactions characteristic of the genus shigella but do not belong to any of the established or provisional serovars. the strains ferment mannitol and are antigenically indistinguishable. they do not possess any of the group antigens of shigella flexneri, and it is therefore proposed that they be regarded as members of a new provisional serovar of shigella boydii. strain e16553 is designated as the test strain for the new serovar. | 1982 | 6761353 |
[biological properties of revertant l forms of shigella flexneri]. | | 1982 | 6763383 |
gram-negative broth (hajna) for enrichment and isolation of yersinia enterocolitica. | | 1982 | 6763428 |
efficiency of immunoprophylaxis and immunotherapy by live dysentery vaccine administration in children and adults collectivities. | | 1982 | 6763515 |
bacillary dysentery in children below five years of age at the general hospital, manado. | | 1982 | 6763669 |
[antibacterial activity of 2 trimethoprim analogs (methioprim, brodimoprim) on recently isolated shigella]. | | 1982 | 6764800 |
[use of the indirect hemagglutination test for the diagnosis and epidemiological analysis of acute intestinal diseases]. | | 1981 | 6764969 |
[efficacy of using the indirect hemagglutination test and tsuverkalov's test in the diagnosis of dysentery]. | | 1981 | 6764972 |
[use of the indirect hemagglutination and antibody neutralization reactions in the epidemiological investigation of diseases of dysenteric etiology]. | | 1981 | 6764973 |
monocyte function in rheumatoid arthritis. | monocytes derived from peripheral blood of patients with rheumatoid arthritis (ra) had a marked defect in their bactericidal activity against staphylococcus albus and listeria monocytogenes; whereas the phagocytic capacity of monocytes from ra patients for both staph. albus and shigella flexneri was similar to that of monocytes from healthy subjects. there were no significant differences between the patient and control groups with regard to antibody dependent cellular cytotoxicity (adcc) of mono ... | 1980 | 6769149 |
[isolation of metal-resistant shigella flexneri and its application to experimental animal infection. 1. isolation of cd and zn resistant strain and its characters (author's transl)]. | | 1980 | 6770010 |
[isolation of metal resistant shigella flexneri and its application to experimental animal infection. 2. comparison of biochemical and serological characters among the original, the cd, zn resistant and the tc resistant strain (author's transl)]. | | 1980 | 6772717 |
[features of the infectious process caused by shigellae of different species]. | | 1980 | 6778021 |
cell-mediated immune responses of synovial mononuclear cells to sexually transmitted, enteric and mumps antigens in patients with reiter's syndrome, rheumatoid arthritis and ankylosing spondylitis. | 3h-thymidine uptake responses by synovial mononuclear cells to stimulation with sexually transmitted, enteric and mumps antigens were studied in 12 patients with "sexually transmitted reiter's syndrome", 5 with "enteric reiter's syndrome", 5 with rheumatoid arthritis, 4 with ankylosing spondylitis and 10 with "indolent arthritis of one knee." the "sexually transmitted" and salmonella cases were distinguishable by the responses. synovial responses were sometimes marked when peripheral blood respo ... | 1981 | 6785434 |
[antibacterial properties of amniotic fluid in relation to selected bacterial strains]. | | 1981 | 6788654 |
increase in drug resistance among shigella dysenteriae, sh flexneri, and sh boydii. | two thousand three hundred and seventy strains of shigella dysenteriae, sh flexneri, and sh boydii isolated in england and wales from 1974 to 1978 were tested for resistance to 12 antimicrobial drugs. eighty per cent of strains were resistant to one or more drugs, with sulphonamide resistance occurring most frequently. resistance to streptomycin, tetracycline, ampicillin, and chloramphenicol increased during the period, as did the incidence of multiple resistance. most infections due to sh dysen ... | 1981 | 6790085 |
endotoxin inhibition of macrophage-mediated bone resorption. | | 1981 | 6791790 |
[immunoglobulins a and g in the intestinal secretions of rats in different microbiologic conditions]. | experiments were made with 3 groups of inbred cdf (f344) crl rats: 30 germ-free, 30 conventional and 18 germ-free animals infected orally with shigella flexneri 2an 516. secretory iga (s-iga) was isolated from gut secretion of the conventional rats to obtain rabbit antiserum against it. the levels of s-iga, iga and igg in blood serum and gut secretion were determined. it was shown that gut secretion of the germ-free rats contained no less s-iga than that from the conventional rats, at the same t ... | 1981 | 6794663 |
[antagonism between virulent and avirulent shigella or escherichia coli (author's transl)]. | | 1981 | 6798142 |
common evolutionary origin of chromosomal beta-lactamase genes in enterobacteria. | a 32p-labeled fragment of dna, encoding the major part of the chromosomal ampc beta-lactamase gene of escherichia coli k-12, was used as a hybridization probe for homologous dna sequences in colonies of neisseria gonorrhoeae, pseudomonas aeruginosa, and different enterobacterial species. the ampc probe detected the presence of homologous dna sequences in clinical isolates of e. coli, shigella flexneri, shigella sonnei, klebsiella pneumoniae, salmonella typhimurium, serratia marcescens, and p. ae ... | 1982 | 6802795 |
[growth dyssymmetry of shigella flexneri 6(762 s) cells]. | dyssymmetry in the growth of the initial and secondary shigella cells at early stages of the formation of microcolonies has been revealed by the method of dynamic morphometry in serial photographs obtained by time-lapse microfilming. electron-microscopic autoradiography has allowed revealing dyssymmetry in the assimilation of exogenous h3-thymidine, h3-threonine, h3-asparaginic acid by different halves of shigella cells in the process of their growth and preparation for mytosis. these results su ... | 1982 | 6805178 |
experimental model of dysentery. | a method of producing experimental dysentery in rabbits has been developed. a prerequisite for this model is the fact that microscopic fungi eliminating biologically active substances are regularly found in the large intestine of man. using a rubber probe, the large intestine of rabbits was preliminarily irrigated with the filtrate of the aspergillus flavus fungus and subsequently, the suspension of a 24-hour culture of dysentery bacteria shigella flexneri was administered. a specific pathologic ... | 1982 | 6806355 |
laboratory-acquired shigellosis. | | 1982 | 6809196 |
[studies on phagocytosis of shigella flexneri by peritoneal macrophages (author's transl)]. | | 1982 | 6809853 |
[tropical diseases treated at the infection observation department of the un armed forces hospital in the middle east during the first and the last (xii) troop change]. | | 1982 | 6817387 |
[case of vulvovaginitis due to shigella flexneri 2a]. | | 1982 | 6818298 |
an outbreak of campylobacter enteritis--a rheumatological followup survey. | one hundred and thirty individuals with bacteriologically proven campylobacter jejuni enteric infection in a single outbreak were studied. eighty-eight patients had gastrointestinal symptoms. one probable example of reactive arthritis was found. this is a frequency similar to that found in other comparable series of salmonella typhimurium and shigella flexneri infections, suggesting a common pathogenesis for the reactive arthritis associated with these 3 infections. | 1983 | 6842468 |
reiter's syndrome following epidemic shigellosis. | to define the epidemiology of post-dysenteric reiter's syndrome (rs), 1,162 persons were questioned about compatible symptoms soon after 3 separate outbreaks of shigellosis. we diagnosed rs for 3 women of 204 persons ill during an outbreak of shigella flexneri 1b, for 3 women of 206 ill during an outbreak of s. flexneri 2a, and for none of 85 ill during an outbreak of s. sonnei. we found no rs among 667 persons without diarrhea. prospective controlled investigations in defined populations docume ... | 1981 | 6948959 |
rhodanese activity: a simple and reliable taxonomic tool for gram-negative bacteria. | the thiosulphate: cyanide sulphurtransferase (rhodanese) test of vandenbergh, bawdon and berk (1979) has been simplified and 2469 strains from a wide variety of sources representing different biochemical, serological or phage-pattern entities were tested. the percentages of rhondanese-producing strains were: escherichia coli 98%, shigella flexneri serovars 1-5%, x and y 0%, other shigellae 73-100%, yersinia spp. 0%, salmonella subgenera i-iv 0%, citrobacter freundi 16%, klebsiella 37%, enterobac ... | 1982 | 6958873 |