Publications

editorial: bongo-drum disease.		1974	4136655
effects of cyclophosphamide on b- and t-lymphocytes in rheumatoid arthritis.		1974	4136699
lysogeny and lysosensitivity in shigella dysenteriae group of bacteria. 3. serological specificity of receptors of t2 and t4 phages in shigella dysenteriae 7, strain d7.		1974	4137048
use of dna-dna annealing to detect new virus-specific dna sequences in chicken embryo fibroblasts after infection by avian sarcoma virus.	labeled, virus-specific dna synthesized in vitro by the virion-associated polymerase of avian sarcoma virus (asv) was used to measure virus-specific sequences in cell dna in three ways: (i) by determining the effect of cell dna upon the reassociation rate of double-stranded polymerase products; (ii) by measuring the kinetics of annealing of single-stranded polymerase product (cdna) to cell dna; or (iii) by measuring the amount of cdna which anneals to a large excess of cell dna. with these three ...	1974	4138674
[immunological relationship between neurotoxin and heavy purified endotoxins extracted from "shigella dysenteriae" (shiga), smooth and rough forms (author's transl)].		1974	4141595
[skin test indices with several bacterial allergens in patients with viral hepatitis].		1974	4141844
immune responses to myelin basic protein in mycobacterial-induced suppression of experimental allergic encephalomyelitis.		1974	4143110
letter: ampicillin-resistant shiga bacillus in bangladesh.		1974	4131053
experimental shigellosis and intestinal malabsorption in the mouse.		1974	4151366
[proceedings: sensitivity of transmitter substances and synaptic formation in cultured neurons].		1974	4157031
synthesis of pivaloyloxymethyl 6-n'-cyanoamidinopenicillanates and the antibacterial activity of the corresponding acids.		1974	4148419
serologic response of patients with shiga dysentery.		1974	4593873
proceedings: studies on oestrogen binding to uterine cytosol receptor prepared from normal and clover-infertile ewes.		1974	4819354
some comparative effects of racemic methadone and its optical isomers in rodents.		1974	4828761
a contribution to biology of grawitz's kidney tumor: heterotransplanatation.		1974	4835486
lymphocytopenia in acute experimental renal failure.		1974	4846717
proceedings: the effect of morphine on the choline acetyltransferase population of rat caudate nucleus.		1974	4853863
the permeability of perineurium to peroxidase after early undernutrition. an ultrastructural study on rat sciatic nerve.		1974	4854990
purification and characterization of the molybdenum-iron protein component of nitrogenase from soybean nodule bacteroids.		1974	4855615
chromosome breakage, fusion and reconstruction during p1dl transduction.		1974	4595379
fermentation patterns of some lactose-negative enteric bacteria.		1974	4597650
electron-microscopic studies of infectious adrenal cortical hemorrhages in rats.		1974	4597972
a controlled clinical trial of trimethoprim-sulphamethoxazole in shigella dysentery.		1974	4598139
comparative survival of indicator bacteria and enteric pathogens in well water.	the comparative survival of various fecal indicator bacteria and enteric pathogens was studied in a stable well water supply by using membrane chambers. there was more variation in the 29 coliform cultures and they died more rapidly, as a group, than the 20 enterococcus cultures that were examined. the comparative survival of the organisms tested follows: aeromonas sp. > the shigellae (shigella flexneri, s. sonnei, and s. dysenteriae) > fecal streptococci > coliforms = some salmonellae (salmonel ...	1974	4598219
lysogeny and lysosensitivity in shigella dysenteriae group of bacteria. ii. receptor sites for temperate phages and serological relationships of indicator strains sh. boydii 15-7489, sh. dysenteriae 2 and sh. dysenteriae 7.		1974	4598393
r factors in strains of salmonella typhi and shigella dysenteriae 1 isolated during epidemics in mexico: classification by compatibility.	all 17 salmonella typhi strains tested from the epidemic in mexico carried r factors of compatibility group h, conferring resistance to chloramphenicol, streptomycin, tetracycline, and sulfonamides. some s. typhi strains carried, in addition, non-conjugative, ampicillin resistance plasmids and r factors of the i or a-c complex. all 20 shigella dysenteriae 1 strains tested of epidemic origin carried o-group r factors. ampicillin resistance in s. dysenteriae 1 was not proved to be plasmid borne. r ...	1974	4599123
the pathology of feral rodents in north queensland.		1974	4599296
amoxicillin in the treatment of urinary tract infections.		1974	4601195
[collecting review: use of selen in therapy and prevention of muscular diseases in animals].		1974	4601326
thrombocytopenia: a laboratory sign of septicemia in infants and children.		1974	4601925
imported diseases in general practice. gastrointestinal disorders.		1974	4611581
effect of immediate vascular anastomosis and enhancing alloimmune serum on skin graft survival.		1974	4612776
[provisional shigella serotypes].		1974	4613080
shigella dysenteriae and shigella boydii in england and wales during 1972 and 1973.	during 1972 and 1973 the salmonella and shigella reference laboratory examined 133 strains of shigella dysenteriae and shigella boydii isolated from patients in england and wales. of those infected 89 had recently travelled abroad and a further seven had been in close contact with travellers recently returned to this country. though these subgroups were of little numerical significance they are of considerable epidemiological interest. the increase in tourism from the british isles to north afri ...	1974	4613419
the anaerogenic serotype 147 as an etiologic agent of dysentery in israel.		1974	4613700
differential diagnosis of diarrhoea in adults.		1974	4614256
[frequency of detection of salmonella and shigella bacilli in persons subject to sanitary surveillance on account of the nature of their occupations in poland in 1973].		1974	4614333
fever produced by endotoxin injected into the hypothalamus of the monkey and its antagonism by salicylate.	1. a suspension of the killed cell bodies of either e. coli, s. dysenteriae or s. typhosa was micro-injected through cannulae implanted chronically at specific sites within the diencephalon and mid-brain of the unanaesthetized monkey. a biphasic, monophasic or an undifferentiated fever could be induced by each type of micro-organism, but the type of response depended solely upon the locus of injection.2. although little difference in the potency of the three pyrogens was found, the rise in body ...	1974	4615138
[clinical aspects and etiotropic therapy of acute bacillary dysentery in infants and young children].		1974	4615292
proceedings: the effect of intraventricular 6-hydroxydopamine on the response of the conscious cat to pyrogen.		1974	4615763
[diversity of resistance types among shigella in sao paulo (brasil) (author's transl)].		1974	4619762
infectious diseases along brazil's trans-amazon highway: surveillance and research.		1974	4604602
[rapid method of bacteriological examination in intestinal infections].		1974	4605909
letter: escherichia coli o148 and diarrhoea in adults.		1974	4606732
nitrosoguanidine mutagenesis during nuclear and mitochondrial gene replication.		1974	4606844
superinfection compatibility of r factors in shigella dysenteriae type 1 from central america and salmonella typhi from mexico.		1974	4607131
lysogeny and lysosensitivity in shigella dysenteriae group of bacteria. iv. receptor sites for temperate phage of serologically related strains, sh. dysenteriae 2 and sh. boydii 15.		1974	4608170
acceptance of hospital-related group practices vary widely.		1974	428966
fiberoptic bronchoscopy following thermal injury.	in a series of 25 burned patients, 15 had inhalation injury as evidenced by fiberbronchoscopic examination. the criteria for post-thermal pulmonary injury were airway edema and inflammation, mucosal necrosis and presence of soot and charring in the airways. this technique of direct visualization of the pulmonary tree can be performed easily, without complications, and provides an objective means for the early diagnosis of inhalation injury in burned patients and prompt institution of treatment.	1974	1129663
[new continued education put to the test in lund].		1974	246656
[antibacterial action by bacteriocin produced by shigella sonnei 100052].		1975	765567
[microtubular structures in the cytoplasm of macrophages and their enzymatic activity in interaction with salmonella typhi and shigella dysenteriae].		1975	765699
receptors for t2, t4 and t6 phages in sh. dysenteriae 7 and other serotypes of sh. dysenteriae.	the sensitivity of four strains of sh. dysenteriae and of nine strains representing other serotypes of sh. dynsenteriae to phages t2, t4 and t6 was examined. different extracts, prepared from sensitive strains were tested for their capacity of phage inactivation. we found that the receptor substance for phage t2 is localized differently in various strains: in sh. dysenteriae 7, it was found in bacterial extracts obtained by water/phenol at 68 degrees c and in extracts obtained by trichloracetic ...	1975	766504
antigenic specificity of cell-mediated antitumor reaction in the msv system.		1975	60997
[method of preparation and use of paper bands with levomycetin for isolation of shigella].		1975	48593
[improvement of the method of isolation of the causative agents of acute intestinal diseases].		1975	48601
particulate cytochrome c in agrobacterium tumefaciens.	in agrobacterium tumefaciens the main part of c-type cytochromes is tightly bound to the bacterial cell envelope structures. several techniques were attempted to solubilize these cytochromes. the highest yield of cytochromes released is obtained by treatment of particle suspensions with 5% triton x-100. further purification confirms that the proteins are not really solubilized, but still aggregated in small heterogeneous complexes. chromatography on a cm-cellulose column demonstrates that at lea ...	1975	58606
effects of renal nerves on renal hemodynamics. i. direct stimulation and carotid occlusion.	renal nerves were stimulated either directly (loop electrodes) or indirectly (bilateral carotid occlusion with maintenance of control blood pressure) in anesthetized dogs to determine the effects on renal blood flow (rbf), glomerular filtration rate (gfr), sodium excretion (unav), and intrarenal distribution of blood flow (microsphere method). direct nerve stimulation decreased rbf 20% in 9 of 10 dogs; but gfr, unav, and intrarenal distribution of blood flow did not change significantly. carotid ...	1975	124020
[possible causes determining the developmental rhythm of populations of the nasopharyngeal gadfly of sheep, oestrus ovis l. (diptera, oestridae)].	on the basis of observations undertaken in azerbaijan and available literary data the author considers the hypotheses concerning the reasons causing the delay of the ist instar larvae development and determining the age structure changes in population of oestrus ovis l. within a year. the main reasons are as follows: factors depending on the population density at the larval phase, the light day duration within the life cycle of the botfly females.	1975	124845
behavioral changes following vmh lesions in rats with controlled insulin levels.	the effects of ventromedial hypothalamic (vmh) lesions were studied in female rats made diabetic with streptozotocin that were given twice daily injections of protamine zinc insulin (0.75 mu/100g/day) and in non-diabetic animals of the same sex. hyperphagia resulted from vmh lesions in both diabetic animals whose insulin levels were controlled and in non-diabetic animals. all animals with lesions exhibited persistent increases in feeding during the light protion of the light-dark cycle. signific ...	1975	125424
effect of methysergide, a blocker of serotonin receptors, on plasma prolactin levels in lactating and ovariectomized rats.	the effect of methysergide (mes, 2.5 mg/100 g body wt), a serotonin antagonist, on prolactin release has been studied in lactating and ovariectomized rats. mes caused significant increases in prolactin release in both animals. studies in ovariectomized, hypophysectomized rats indicate that this effect is not due to a decrease in the peripheral metabolism of prolactin. in vitro incubations of anterior pituitary fragments with mes failed to demonstrate any increase in prolactin release, suggesting ...	1975	126860
characterization of 5.8s ribosomal ribonucleic acid in neurospora crassa.	neurospora crassa ribosomes contain a species of ribonucleic acid (rna) of molecular weight 54,000, similar to 5.8s ribosomal rna previously described for other eukaryotic organisms. the 5.8s rna from n. crassa was found to be released by heat treatment at 60 c from 25s ribosomal rna but not from 18s ribosomal rna. the base composition of n. crassa 5.8s rna was similar to that of 5.8s rna from saccharomyces cerevisiae, but differed from animal 5.8s rna. during the course of this study, it was di ...	1975	126993
the hurler syndrome: treatment of cultured hurler fibroblasts with normal human serum.	prolonged replacement of fetal calf serum by normal human serum for the enrichment of medium during tissue culture of hurler fibroblasts resulted in increased acid mucopolysaccharides in the cells and in the medium. the predominant intracellular mucopolysaccharide had the characteristics of dermatan sulfate when hurler cells were treated with either serum. normal human serum contains a nonspecific coreective factor capable of augmenting the loss of 35so4-amps from hurler cells, but not from norm ...	1975	127180
[first izolation of enterobacterium a 12 (sachs) in bratislava in the year 1971 (author's transl)].		1975	127664
scattered mitoses in mature joint cartilage in rabbits after local trauma. a chalone effect?	this is a demonstration of local traumatization of articular cartilage inducing mitoses in parts of a joint other than the site of inquiry. parts of one of the patellar cartilages of the full-grown rabbit were scored while the other knee was subjected only to arthrotomy. radioactive thymidine and autoradiographic technique demonstrated that labeled chondrocytes appeared not only around the score in the patella but also scattered in the tibia and femoral condyles. whether the mechanism of regiona ...	1975	127681
immunologic relationship among fibrinolysins secreted by cultured mammalian tumor cells.		1975	127717
identification and actions of gastric inhibitory polypeptide.		1975	128084
in vitro fertilisation of human oöcytes.	this paper describes attempts to cure infertility due to irremediable fallopian tube lesions by the laparoscopic recovery of pre-ovulatory ovarian oöcytes, their fertilisation in vitro, and their subsequent reimplantation into the uterine cavity.	1975	128140
[changes in the lungs and the mass of the right ventricle of the heart in chronic hypoxia (experimental-morphological study)].	in experiments on 105 white rats using histological, histochemical, and morphometric methods the state of the lungs following daily "rises" in a pressure chamber to the "hight" of 5000--9000 m at verious time intervals--from 1 day to 9 weeks was studied. in 18 animals "ascents" were preceded by sinistral pulmonectomy. in parallel, the heart was investigated by the method of separate weighing. at initial stages changes in the lungs were characterized predominantly by impairment of the blood- and ...	1975	128341
the effect of butacaine on adenine nucleotide binding and translocation in rat liver mitochondria.	the effect of the local anaesthetic, butacaine, on adenine nucleotide binding and translocation in rat liver mitochondria partially depleted of their adenine nucleotide content was investigated. the range of butacaine concentrations that inhibit adenine nucleotide translocation and the extent of the inhibition are similar to the values obtained for native mitochondria. butacaine does not alter either the total number of atractyloside-sensitive binding sites of depleted mitochondria, or the affin ...	1975	128352
[organization of the veterinary service of a dairy complex].		1975	129913
acid mucopolysaccharides in metal-induced tumor and connective tissue capsules surrounding implants in rats.		1975	142824
classification of enterotoxins on the basis of activity in cell culture.	two cell culture systems were used in a study of the biological properties of several bacterial enterotoxins in vitro. by means of one model, in which hela cell monolayers were used, cytotoxic effects, interms of detachment of cells from a glass surface due to cell death, were assayed. by means of the second model, activation of the adenyl cyclase-cyclic adenosine 3', 5'-monophosphate (amp) system, in terms of increased steroidogenesis by y-1 adrenal cells (an effect which we have termed cytoton ...	1975	162926
cyclic 3',5'-amp phosphodiesterase of rabbit aorta.	cyclic amp and cyclic gmp phosphodiesterase activities (3' : 5'-cyclic amp 5'-nucleotidohydrolase, ec 3.1.4.17) were demonstrated in the isolated intima, media, and adventitia of rabbit aorta. the activity for cyclic amp hydrolysis in the intima was 2.7-fold higher than that for cyclic gmp hydrolysis. the activity for cyclic amp hydrolysis in the media was approximately equal to that for cyclic gmp hydrolysis, but in the adventitia, cyclic gmp hydrolytic activity was 2.1-fold higher than cyclic ...	1975	164219
cyclic adenosine-3',5'-monophosphate in cerebrospinal fluid during fever and antipyresis.		1975	166164
template specificity of the cytoplasmic dna polymerase in xenopus laevis oocytes.		1975	167780
effect of klebsiella pneumoniae enterotoxin on intestinal transport in the rat.	the effects on intestinal transport of either a semipurified preparation of enterotoxin elaborated by klebsiella pneumoniae or similaryly prepared control material were tested by marker perfusion studies in the small intestine of rats. at a concentration of 2 mg/ml, the enterotoxin produced net secretion of water, na, and cl in both jejunal and ileal segments; hco3 transport was not affected. net secretion was evident within 30 min after intorduction of the toxin and was maximal after 90 min. th ...	1975	169297
characterization of monkey peripheral neutrophil granules during infection.	rhesus monkey (macaca mulatta) neutrophils were shown to contain the azurophilic granule maker enzymes myeloperoxidase and beta-glucuronidase but were deficient in the specific granule markers alkaline phosphatase (akp) and lysozyme. isopycnic centrifugation of leukocyte homogenates on linear sucrose gradients resulted in cosedimentation of myeloperoxidase and beta-glucuronidase with an equilibrium density of 1.18. after an intravenous inoculation of monkeys with salmonella typhimurium akp activ ...	1975	170208
solubilization of the [8-lysine]vasopressin receptor and adenylate cyclase from pig kidney plasma membranes.	adenylate cyclase and the [8-lysine]vasopressin receptor were solubilized from pig kidney medulla membranes using the nonionic detergent triton x-100. optimal conditions for solubilization were under continuous stirring in a medium containing 0.5% (/v) triton x-100, 100 mm tris-hcl, ph 8, and 10 mm mgcl2. both adenylate cyclase activity and [3h][8-lysine]vasopressin binding activity were recovered in a -26,000 x g supernatant of detergent-treated membranes. the yield of solubilized adenylate cyc ...	1975	170274
[characteristics and types of clostridium perfringens derived from various animals].		1975	170433
effect of shigella enterotoxin on electrolyte transport in rabbit ileum.	shigella dysenteriae i is one of several bacteria which produces an enterotoxin capable of stimulating intestinal water and electrolyte secretion. unlike cholera and escherichia coli enterotoxins which have been shown to increase intracellular cyclic adenosine monophosphate levels in the small intestine, the mechanism by which shigella enterotoxin causes intestinal secretion is not known. to study shigella enterotoxin-stimulated intestinal secretion, rabbit ileal mucosa exposed in vivo to shigel ...	1975	172398
ultrastructural myocardial changes produced by viruses.	some of the ultrastructural pathological alterations in the myocardium produced by viral infections with members of the picornavirus group are described. these alterations varied from mild to severe, with necrosis. in animals infected with coxsackie b1 virus and emc virus, readily identifiable viral crystals were frequently found in association with the myocardial lesions by means of electron microscopy. the electron microscope made it possible to study vary early myocardial changes which were n ...	1975	172990
suppression of pulmonary antibacterial activity following sendai virus infection in mice: dependence on virus dose.		1975	173264
degenerative alterations in the ventral cochlear nucleus of the guinea pig after impulse noise exposure. a preliminary light and electron microscopic study.	guinea pigs were exposed to the noise of 40 shots of an alarm pistol held at a distance of about 60 cm. the ventral cochlear nuclei were studied in phase contrast and electron microscopy after both survival periods and longer periods of up to 55 days survival. marked degeneration of primary cochlear nerve endings and of synapting secondary neurons of the posterior caudal part of the ventral cochlear nucleus (avcn) and the octupus cell area (oca) of the posterior ventral cochlear nucleus (pvcn) w ...	1975	175774
a radiometric method for predicting effectiveness of chemotherapeutic agents in murine leprosy.	a simple radiometric method has been developed for evaluating the effect of drugs on the metabolism of m. lepraemurium. the method is based on the measurement of the 14co2 produced through bacterial metabolism of acetate-u-14c. seventeen drugs were tested: bacitracin, cephaloridine, chloramphenicol, cycloserine, dactinomycin, dds, ethionamide, inh, kanamycin, methenamine mandelate, nitrofurantoin, oxacillin, polymyxin b, rifampicin, streptomycin, sulfadimethoxine and vancomycin. the drugs which ...	1975	176120
regulation of mitochondrial protein turnover by thyroid hormone(s).	1. the effect of thyroidectomy on turnover rates of liver, kidney and brain mitochondrial proteins was examined. 2. in the euthyroid state, liver and kidney mitochondria show a synchronous turnover with all protein components showing more or less identical half-lives compared with the whole mitochondria. the brain mitochondrial proteins show asynchronous turnover, the soluble proteins having shorter half-lives. 3. mitochondrial dna (m-dna) of liver and kidney has half-lives comparable with that ...	1975	177002
[bacteriological and epidemiological considerations on shigelloses in south vietnam (1969-1973)].	during the period from 1969 to 1973, a rectal swabs from 13.943 diarrhea patients of all ages were examined by bacteriological surveys. from these specimens, 981 strains of shigella were isolated. the most commonly encounted were shigella flexneri 2. all of strains of shigella isolated were highly resistant to aureomycin, tetracyclin, terramycin, novobiocin and chloramphenicol. there has been an increase in the development of multiresistance of shigella. colimycin and streptomycin were the most ...	1975	770024
[an analysis of meat products as possible factors responsible for transmission of dysenterial toxic infections].	the paper carries experimental data derived from a bacteriological analysis of infected minced meat products for the presence of shigella sonnei and for ascertaining technological stages non-compliance with whose proper course presents the greatest epidemiological hazards. the procedures employed in analyzing infected meat products are shown to be sufficiently sensitive, for they enable one to count shigella dysenteriae in numbers of 102-106/g, depending upon the degree of total bacterial contam ...	1975	1108439
letter: reactions of cartilage.		1975	1113834
isolation of cyclic 3',5'-pyrimidine mononucleotides from bacterial culture fluids.		1975	1147989
dermo--epidermal adhesion and its effect on epidermal structure in the mouse.	evidence is presented that dermo--epidermal adhesion is low in mouse ear. consequently the pressure caused by mitotic activity in the basal epidermal layer is readily relieved by cell extrusion distally and the number of basal cells per unit skin area remains low. the rule then is that the number of distal cells per unit skin area must be equally low, and the epidermis is therefore thin. conversely, dermo--epidermal adhesion is high in mouse sole-of-foot epidermis, and the mitotic pressure leads ...	1975	1201191
[changes in the composition of intracellular lipids and hydrocarbons in candida tropicalis in the absence of growth].	the fatty acid composition of lipids and the composition of hydrocarbons were studied in candida tropicalis cultivated on a medium with propionic acid and incubated in the conditions of starvation and on a medium containing glucose-1-6-14c but no nitrogen. intracellular fatty acids with an odd number of carbon atoms were found to be easily metabolized by yeast cells. the content and composition of intracellular hydrocarbons were very labile and underwent intensive transformation caused by change ...	1975	1214607
epithelio-mesenchymal interface during mouse kidney tubule induction in vivo.	transmission and scanning electron microscopy were used to study the epithelio-mesenchymal interface between the interacting mouse ureter-bud and the metanephric mesenchyme. the gap between the epithelial and mesenchymal cells varied in width. at the stalk of the ureter-bud the interspace was often about 1 mum, but in the inductively active areas at the tips of the branching ureter-bud epithelio-mesenchymal contacts were seen through discontinuities in the basal lamina. at these points the gap b ...	1975	1240119
the pathogenesis of shigella diarrhea. v. relationship of shiga enterotoxin, neurotoxin, and cytotoxin.	the biological activity of the enterotoxin of shigella dysenteriae 1 was compared with that of a well-studied 20-year-old partially purified preparation of neurotoxin from the same organism. enterotoxicity, neurotoxicity, and cytotoxicity were present to an equivalent extent in both preparations. human convalescent antisera and experimental rabbit antisera had equal toxin-neutralizing antibody to the cytotoxic activity in these toxin preparations. multiple protein bands were present in each toxi ...	1975	236346
inhibition of pathogenic enteric bacteria by hyperbaric oxygen: enhanced antibacterial activity in the absence of carbon dioxide.	the antibacterial effects of 24-h exposures to high-pressure oxygen in relation to environmental co(2) were studied at 3 atm absolute (ata) and at 1 ata. eight gram-negative, aerobic and facultatively aerobic, pathogenic enteric bacteria (salmonella typhosa, salmonella paratyphi, salmonella schottmuelleri, shigella dysenteriae, shigella flexneri, proteus vulgaris, pseudomonas aeruginosa, and escherichia coli) were exposed as shallow-broth cultures and agar surface cultures. although broths suppl ...	1975	238466
the destruction of tumor cells by alloimmune peritoneal cells: mechanism of action of activated macrophages in vitro.		1975	804549
microbial development of drug resistance: mechanisms and clinical significance.	bacteria have demonstrated a disconcerting ability to develop resistance to antimicrobial agents nearly as quickly as new compounds become available. during the past two decades the molecular bases of several types of resistance have been elucidated. mechanisms of resistance include the transference of genetic material either through conjugation (involving direct contact between microorganisms), or indirectly through transduction (involving bacteriophages). in addition to this "infectious" drug ...	1975	806419
conditions critical for optimal visualization of bacteriophage adsorbed to bacterial surfaces by scanning electron microscopy.	the potential of scanning electron microscopy as a tool for the detection of viruses on cell surfaces has been studied using bacteriophage p1 adsorbed to shigella dysenteriae as a model system. viral particles were readily detectable by scanning electron microscopy on the surface of infected cells which were fixed with glutaraldehyde followed by postfixation in oso4 and prepared by critical point drying. the virus-studded surface of the infected cells differed markedly from the relatively smooth ...	1975	806704
the influence of some cations on bacterial endotoxins: copper.	in the course of its isolation and purification, bacterial endotoxin may be contaminated by some inorganic cations. the present study was concerned with cu-2+ contamination of the lipopolysaccharide-protein complex (lps) extracted from shigella dysenteriae 1 s and r strains. the cu-2+ contamination level of lps prepared by raynaud's method and partly purified through sephadex g200 and sepharose 4b was in the range of 1-5 mug cu-2+/mg lps. crude raynauds extract, similarly as lps prepared by west ...	1975	808051
somatic antigen of shigella dysenteriae type 3. structural features of specific polysaccharide chain.	on mild acid hydrolysis of lipolysaccharide from shigella dysenteriae type 3 the o-specific polysaccharide (hapten) was obtained which appeared to be acidic branched hexosaminoglycan. the repeating unit of this polysaccharide represents a pentasaccharide composed of two d-galactose residues, n-acetyl-d-galactosamine, d-glucose and unidentified acidic component. on the basis of methylation analysis, periodate oxidation, partial acid hydrolysis and chromic anhydride oxidation it is concluded that ...	1975	1089541