| enhanced binding of neuraminidase-treated sheep erythrocytes to human t lymphocytes. | | 1973 | 4357270 |
| effect on calves of the intravenous injection of the enterotoxin of clostridium welchii type a. | | 1973 | 4357494 |
| growth of clostridium perfringens in food proteins previously exposed to proteolytic bacilli. | proteolytic sporeforming bacteria capable of surviving processing heat treatments in synthetic or fabricated protein foods exhibited no antagonistic effects on growth of clostridium perfringens, but instead shortened the lag of subsequent growth of c. perfringens in sodium caseinate and isolated soy protein. bacillus subtilis a cells were cultured in 3% sodium caseinate or isolated soy protein solutions. the subsequent effect on the lag time and growth of c. perfringens type a (strain s40) at 45 ... | 1973 | 4357650 |
| simplified method for purification of clostridium perfringens type a enterotoxin. | purification of clostridium perfringens type a enterotoxin from sporulated cells was simplified. the method consisted of precipitation of the enterotoxin from the extract of sonically treated cells at 40% saturation of ammonium sulfate at ph 7, differential solubilization in 0.02 m phosphate buffer, ph 6.7, and repeated gel filtration on sephadex g-200. the purified enterotoxin was at least 98% pure in ultracentrifugation, polyacrylamide gel electrophoresis, and agar gel double diffusion. recove ... | 1973 | 4357653 |
| purification of phospholipase c (alpha-toxin) from clostridium perfringens. | | 1973 | 4357667 |
| hydroxylamine-o-sulfonic acid: in vitro and possible in vivo reaction with dna. | | 1973 | 4357671 |
| direct evidence of the c-like form of sodium deoxyribonucleate. | from infrared linear dichroism studies, direct evidence is given for a new na dna form, which is similar to the c form of li dna. this c-like form in na dna occurs under conditions of very low nacl content (at high relative humidity), high nacl content (at low relative humidity), and low g + c content of the dna (at low relative humitiy). the c form of li dna was originally discovered by x-ray diffraction, but has not previously been characterized by infrared spectroscopy. the c form is primaril ... | 1973 | 4357868 |
| letter: the stability of clostridium perfringans type d epsilon toxin in intestinal contents in vitro. | | 1972 | 4357908 |
| isolation of clostridium absonum and its cultural and biochemical properties. | a new procedure for isolation of clostridium absonum was devised. sixtyseven strains of c. absonum were isolated from 135 soil samples, but no strain of c. absonum could be found from human fecal samples. the lecithinase, hemolysin, and lethal toxin in the culture filtrates of this species exhibited low avidity for c. perfringens type a antitoxin. the three activities were inseparable by the present method of purification. a reinvestigation of biochemical properties revealed that incomplete supp ... | 1974 | 4357934 |
| conformational studies on modified proteins and peptides. vii. conformation of epsilon-prototoxin and epsilon-toxin from clostridium perfringens. conformational changes associated with toxicity. | | 1973 | 4358084 |
| a partially purified membrane protein specific to the brain. | | 1973 | 4358087 |
| analysis of polar parts of phospholipids. n-demethylation of choline-containing lipids for gas chromatography and mass spectrometry. | | 1973 | 4358090 |
| interrelationship between bacterial histidine decarboxylase activity and concentration of histidine and pyridoxal-5'-phosphate. | | 1973 | 4358188 |
| red cell aggregation by macromolecules: roles of surface adsorption and electrostatic repulsion. | | 1973 | 4358445 |
| [studies on rabbits and sheep concerning the immunogenic effect of various types of prepared toxins of clostridium welchii (perfringens) type a with and without complete freund's adjuvant]. | | 1973 | 4358501 |
| [experiments in reproducing necrotic enteritis in broiler chickens (author's transl)]. | | 1973 | 4358517 |
| ultrastructural study of clostridial myositis. | | 1974 | 4358598 |
| improved purification and further characterization of clostridium perfringens type a enterotoxin. | | 1973 | 4358600 |
| [clostridium perfringens in the process of the preparation and storage of meat loafs]. | | 1973 | 4358733 |
| a simple method for the purification of commercial neuraminidase preparations free from proteases. | | 1973 | 4358815 |
| evaluation and modifications of media for enumeration of clostridium perfringens. | the suitability of the shahidi-ferguson perfringens, tsc (tryptose-sulfite-cycloserine), and oleandomycin-polymyxin-sulfadiazine perfringens agars for presumptive enumeration of clostridium perfringens was tested. of these, the tsc agar was the most satisfactory. the tsc agar method was improved by eliminating the egg yolk and using pour plates. the modified method allowed quantitative recoveries of each of 71 c. perfringens strains tested and is recommended. for confirmation of c. perfringens, ... | 1974 | 4358863 |
| acute renal failure in obstetrics. | | 1974 | 4358923 |
| pathology of clostridium welchii type d enterotoxaemia. i. biochemical and haematological alterations in lambs. | | 1973 | 4358981 |
| pathology of clostridium welchii type d enterotoxaemia. ii. structural and ultrastructural alterations in the tissues of lambs and mice. | | 1973 | 4358982 |
| pathology of clostridium welchii type d enterotoxaemia. 3. basis of the hyperglycaemic response. | | 1973 | 4358983 |
| letter: gas gangrene. | | 1973 | 4358989 |
| n-acetyl-beta-d-hexosaminidase component a. different forms in human tissues and fluids. | 1. hexosaminidase a of human serum was resolved into two components, a minor form with properties identical with those of the single hexosaminidase a component of human liver, and a major form with significantly different properties. 2. the major serum hexosaminidase a form was eluted from a deae-cellulose column at a lower salt concentration than that required to elute the liver form. 3. a multiple-pass technique was used to elute the major serum enzyme a from a sephadex g-150 column before tha ... | 1973 | 4359018 |
| proteases of clostridium botulinum. v. studies on the serological relationship between proteases from clostridium botulinum and other spore-forming bacteria. | | 1973 | 4359093 |
| the wall peptidoglycans of neisseria perflava, moraxella glucidolytica, pseudomonas alcaligenes and proteus vulgaris strain p18. | | 1973 | 4359387 |
| [pollution investigation of sandpits in copenhagen. fecal pollution illustrated with investigations of bacteria and eggs of intestinal worms]. | | 1973 | 4359441 |
| [clostridium perfringens. 1. experiments on the agglutination reaction]. | | 1973 | 4359536 |
| phospholipases. i. effect of n-alkanols on the rate of enzymatic hydrolysis of egg phosphatidylcholine. | | 1973 | 4359547 |
| phospholipases. ii. enzymatic hydrolysis of lecithin: effects of structure, cholesterol content, and sonication. | | 1973 | 4359548 |
| clostridium perfringens exotoxins. ii. purification and some properties of theta-toxin. | | 1973 | 4359556 |
| homology between enterotoxin protein and spore structural protein in clostridium perfringens type a. | | 1973 | 4359628 |
| on the binding and specificity of 3,6-bis-(acetatomercurimethyl)-dioxane to dnas of different base composition. | | 1973 | 4360076 |
| [investigations into the action of xylitol on the stool flora (author's transl)]. | | 1973 | 4360369 |
| infection in the severely traumatized patient. | | 1974 | 4360415 |
| [acute bovine mastitis caused by clostridium perfringens, type a (author's transl)]. | | 1973 | 4360450 |
| permanent mixed-field polyagglutinability (pmfp). i. serological observations. | | 1973 | 4360455 |
| [the relationship between survival time of mice and the dose of intravenously administered toxin of the agent of gas gangrene]. | | 1973 | 4360605 |
| microbiological methods. collaborative study of the alpha-toxin method for estimating population levels of clostridium perfringens in food. | | 1974 | 4360671 |
| diarrhoea in intensively-reared lambs. | | 1973 | 4361103 |
| effect of interferon on tumor forming ability of walker carcinosarcoma 256 cells and secretion of exo-toxin by the bacillus, clostridium welchii (type c). | | 1973 | 4361113 |
| barium enema septicemia. occurrence in a patient with leukemia. | | 1973 | 4361133 |
| inhibition of phospholipase c by isosteric phosphinic acid analogues of lecithin. | | 1974 | 4361140 |
| clostridium perfringens septicemia complicating degenerating uterine leiomyomas. | | 1974 | 4361157 |
| clinicopathologic conference. cholecystitis, pericholecystic abscess, and septicemia due to clostridium perfringens. case presentation. | | 1974 | 4361188 |
| the reduction of surgical wound infections by topical cephaloridine: a controlled clinical trial. | | 1974 | 4361233 |
| microbiologic study of street heroin and injection paraphernalia. | | 1974 | 4361247 |
| capsular polysaccharide of clostridium perfringens hobbs 10. | a capsular polysaccharide was isolated from a strain of clostridium perfringens hobbs 10 type a by cold-water extraction of whole, heavily encapsulated cells. the water-soluble polymer was isolated by alcohol precipitation and purified by treatment with chloroform-butanol, cetytrimethylammonium bromide, and column gel permeation chromatography by using bio-gel a-5m agarose. the formation of a single precipitin line, when the isolated polysaccharide was reacted with its homologous antisera by dou ... | 1974 | 4361293 |
| bactericidal activity of aerobic and anaerobic polymorphonuclear neutrophils. | human polymorphonuclear neutrophils (pmn) were made anaerobic by nitrogen washout (oxygen saturation <1%, eh < -42 mv at ph 7.0), and the ability of the cells to kill bacteria was assayed and compared to the bactericidal activity of aerobic pmn. anaerobic pmn were able to kill staphylococcus epidermidis, enterococcus, viridans streptococci, pseudomonas aeruginosa, peptostreptococcus anaerobius, bacteroides fragilis, clostridium perfringens, and peptococcus magnus normally. organisms that were no ... | 1974 | 4361295 |
| antibody against clostridium perfringens type a enterotoxin in human sera. | antibody against clostridium perfringens type a enterotoxin was found in 82% of brazilian and 65% of american serum samples. | 1974 | 4361298 |
| report on microbiological methods. | | 1974 | 4361305 |
| [study of the leukotoxic action of clostridium perfringens type a toxin on the phagocytic activity of blood neutrophils taking into consideration the leukocytic reaction]. | | 1973 | 4361316 |
| food safety and food poisoning. | | 1973 | 4361332 |
| [tubule agglutination and indirect immunofluorescence for titer determination during immunization of rabbits with clostridium (cl.) perfringens (welchii) type a,c and e]. | | 1974 | 4361342 |
| [cell wall of cl. perfringens type a of different serological groups]. | | 1973 | 4361784 |
| studies on human beta-d-n-acetylhexosaminidases. i. purification and properties. | | 1974 | 4362060 |
| structural analysis of phosphatidylcholine of plant tissue. | pure preparations of phosphatidylcholine were isolated from spinach leaf chloroplasts, spinach leaf microsomes, and cauliflower inflorescence. the isolated phosphatidylcholine was treated with snake venom phospholipase a, and the fatty acid distribution and composition of the fatty acid methyl esters prepared from the lysophosphatidylcholine and the freed fatty acid were determined by gas-liquid chromatography. the results showed that saturated fatty acids were preferentially esterified at posit ... | 1971 | 4362139 |
| microflora of fresh and dry-cured hams as affected by fresh ham storage. | | 1974 | 4362181 |
| a medium for overcoming the in vitro inhibition of clostridium perfringens by streptococcus faecalis var. zymogenes, and a note on the in vivo interaction of the two organisms. | | 1973 | 4362616 |
| a method for preparing a pre-reduced, chemically defined, filter sterilized medium for growing clostridium perfringens. | | 1973 | 4362617 |
| fractionation of dna on hydroxyapatite with a base-specific complexing agent. | we describe a chromatographic technique for separating mixtures of dna of varying g + c content. the method employs a specially prepared high-capacity hydroxyapatite and a g.c-specific dna ligand (2-methyl-3-amino-7-dimethylamino-5-phenyl-phenazinium cation, abbreviated pnr). dna molecules rich in g.c pairs bind larger amounts of this dye and are eluted earlier from the hydroxyapatite column than are molecules rich in a.t pairs. the dye can easily be removed from dna by dialysis or solvent extra ... | 1974 | 4362628 |
| management of travellers' diarrhoea. | | 1973 | 4362669 |
| rat brain microsomal gangliosides. accessibility to a neuraminidase preparation and the possible existence of different pools in relation to their biosynthesis. | 1. treatment of rat brain microsomal membranes with a neuraminidase preparation from clostridium perfringens resulted in an almost complete conversion of polysialogangliosides into monosialogangliosides. 2. neuraminidase treatment of the membranes did not increase the incorporation of n-[(3)h]acetylneuraminic acid from cmp-n-[(3)h]acetylneuraminic acid into the gangliosidic fraction, indicating that a monosialoganglioside is an acceptor of n-acetylneuraminic acid in these membranes only if, in a ... | 1974 | 4362745 |
| mesophilic clostridia in puget sound. | | 1974 | 4362754 |
| [neuraminidase in the cells and toxins of cl. perfringens]. | | 1973 | 4362796 |
| [selective medium for clostridium perfringens. ii. selective medium with sodium azide and crystal violet for isolation of clostridium perfringens]. | | 1973 | 4363025 |
| enumeration of food-borne clostridium perfringens in egg yolk-free tryptose-sulfite-cycloserine agar. | the sfp (shahidi-ferguson perfringens), tsc (tryptose-sulfite-cycloserine), ey (egg yolk)-free tsc, and opsp (oleandomycin-polymyxin-sulfadiazine perfringens) agars have been tested for their suitability to enumerate clostridium perfringens in naturally contaminated foods. complete recoveries of c. perfringens were obtained in each of the four media, but only the tsc and ey-free tsc agars were sufficiently selective to ensure subsequent confirmatory tests without interference from facultative an ... | 1974 | 4363368 |
| enumeration of fecal clostridium perfringens spores in egg yolk-free tryptose-sulfite-cycloserine agar. | the shahidi-ferguson perfringens, tryptose-sulfite-cycloserine (tsc), and egg yolk-free tsc agars have been tested for their suitability to enumerate fecal spores of clostridium perfringens. when these spores comprised at least 20% of the total anaerobe spores, equally accurate counts were obtained in the three media. with lower ratios of c. perfringens spores, the most accurate counts were obtained in egg yolk-free tsc agar. the median c. perfringens spore count of 60 normal fecal specimens was ... | 1974 | 4363369 |
| [preservation soil for c1.perfringens]. | | 1972 | 4363423 |
| microanalytical determination of the activities of phospholipases a, c, and d and of their mixtures. | | 1974 | 4363440 |
| phosphatase activity of anaerobic organisms. | anaerobic organisms were tested for phosphatase activity in different ph ranges. several groups of organisms displayed characteristic patterns. bacteroides fragilis, b. melaninogenicus, and b. ruminicola produced phosphatase with strongest activity at ph 8.6. fusobacterium mortiferum was the only species of this genus to show strong hydrolysis. the enzyme was active in both acid and alkaline ranges. the activity of gram-positive organisms was variable, the most active groups being clostridium pe ... | 1974 | 4363556 |
| evaluation of media, time and temperature of incubation, and method of enumeration of several strains fo clostridium perfringens spores. | two basal media, containing the ingredients found in common in both sps (bbl) and tsn (bbl) media and in the previously described media of schaedler et al. (1965) and starr et al (1971), but minus antibiotics, were selected as the most suitable for the enumeration of clostridium perfringens spores in a model system. these media were also used to study the influence of the presence of glucose, xylose, or ribose in various concentrations (0, 0.01, 0.1, and 1.0%) on colony morphology and spore reco ... | 1974 | 4363558 |
| requirement for and sensitivity to lysozyme by clostridium perfringens spores heated at ultrahigh temperatures. | the requirement of ultrahigh temperature (uht)-treated clostridium perfringens spores for lysozyme and the sensitivity of heated and unheated spores to lysozyme were studied. the uht-treated spores requiring lysozyme for germination and colony formation originated from only a small portion of the non-uht-treated spore population. this raised a question of whether the requirement for lysozyme was natural to the spores or was induced by the uht treatments. however, these spores did not require lys ... | 1974 | 4363559 |
| [effect of the sympathetic innervation on the vascular tonus in experimental anaerobic intoxication]. | | 1972 | 4363575 |
| standardized antimicrobial disc susceptibility testing of anaerobic bacteria: in vitro susceptibility of clostridium perfringens to nine antibiotics. | the in vitro susceptibility of 43 strains of clostridium perfringens to nine antibiotics was determined by a standardized test for rapid-growing anaerobes. good correlation was established between the agar dilution susceptibility and the disc diffusion susceptibility results. the inhibition zone diameters around the antibiotic discs, however, were generally much smaller than those of gram-negative anaerobes previously studied. all of the strains tested were susceptible in vitro to chloramphenico ... | 1972 | 4363787 |
| [the effect of molecular oxygen on anaerobic bacteria of the genus clostridium]. | | 1974 | 4363859 |
| plasma membrane ectoglycosyltransferase activity of l1210 murine leukemic cells. | | 1974 | 4363882 |
| use of a concanavalin a polymer to isolate right side-out vesicles of purified plasma membranes from eukariotic cells. | | 1974 | 4363943 |
| [the mechanism of anaerobic gastrointestinal infection in man]. | | 1974 | 4363982 |
| [gas gangrene treated with hyperbaric oxygen]. | | 1974 | 4363989 |
| [editorial: gas gangrene]. | | 1974 | 4363990 |
| sialic acid residues exposed on mammalian cell surface: the effect of adsorption of denatured virus particles. | | 1974 | 4364005 |
| protein-bound carbohydrate content of normal and tumorous human lung tissue. | | 1974 | 4364129 |
| studies of the metabolism of asialotransferrins: potentiation of the catabolism of human asialotransferrin in the rabbit. | | 1974 | 4364133 |
| studies on amikhellin. i. intercalative binding to double-stranded dna. | | 1973 | 4364376 |
| effect of bacterial enterotoxins on the gastrointestinal tract. | | 1973 | 4364400 |
| extracellular deoxyribonuclease production by anaerobic bacteria. | the production of extracellular deoxyribonuclease was examined with anaerobic organisms isolated from clinical specimens. nuclease activity was extraordinarily common. all strains of fusobacterium, including eight species, as well as bacteroides fragilis and b. melaninogenicus, displayed enzyme activity. whereas the gram-positive bacteria were generally less productive, all strains of clostridium perfringens, peptostreptococcus intermedius, and p. anaerobius specifically produced deoxyribonuclea ... | 1974 | 4364608 |
| effect of culture medium and carbon dioxide concentration on growth of anaerobic bacteria commonly encountered in clinical specimens. | representative strains of anaerobic bacteria from human infections were used to evaluate broth media, gas mixtures, and inocula for use in developing a procedure for performing minimal inhibitory concentration antimicrobic susceptibility tests. nine commercially available media, including two that were chemically defined, were tested. tests were performed in atmospheres with carbon dioxide concentrations between 2.5 and 10% and also in the gaspak system (bbl) that had a disposable hydrogen-carbo ... | 1974 | 4364610 |
| identification of iduronic acid as a constituent of the "type-specific" polysaccharide of clostridium perfringens hobbs 10. | | 1974 | 4364631 |
| isolation and relationship of human hexosaminidases. | | 1974 | 4364658 |
| the mode of action of metronidazole in trichomonas vaginalis and other micro-organisms. | | 1974 | 4364702 |
| recent dna fiber diffraction studies and their implications for dna recognition. | | 1974 | 4364787 |
| a method for the preparation of desialylated human chorionic gonadotropin and its sub-units. | | 1974 | 4364844 |
| properties of antisera to ganglioside gm1 and asialo gm1. | | 1974 | 4364954 |
| increase in gross (g) antigen sites on the surface of akr virus-induced rat lymphoma cells after treatment with trypsin. | | 1974 | 4364955 |
| [comparative characteristics of sodium gamma-hydroxybutyrate, several of its beta-substituted analogs and sodium alpha-hydroxyglutarate]. | | 1973 | 4365014 |
| proceedings: studies on food poisoning due to clostridium welchii. | | 1974 | 4365072 |