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action of neuraminidase (ec 3.2.1.18) from clostridium perfringens on brain gangliosides in the presence of bile salts. 19734349057
the acid and enzymic hydrolysis of o-acetylated sialic acid residues from rabbit tamm-horsfall glycoprotein.rabbit tamm-horsfall glycoprotein and bovine submaxillary glycoprotein were both found to contain sialic acid residues which are released at a slow rate by the standard conditions of acid hydrolysis. these residues are also resistant to neuraminidases from vibrio cholerae and clostridium perfringens. this behaviour was attributed to the presence of o-acetylated sialic acid, since the removal of o-acetyl groups by mild alkaline treatment normalized the subsequent release of sialic acid from rabbi ...19724349114
[use of tissue extracts in the treatment of cancer]. 19714349142
augmented immunogenicity of tumor cell homogenates produced by infection with influenza virus. 19724349150
the effect of the sialyl residues on the thermodynamic and hydrodynamic properties of 1 -acid glycoprotein. 19734349329
effects of intravenous neuraminidase on the turnover of fibrinogen. 19724349340
antigenic homogeneity of enterotoxin from different agglutinating serotypes of clostridium perfringens. 19734349468
simple economical anaerobiosis. 19734349488
polymorphism of natural dna. 19724349669
[infectious complications in disorders of granulopoiesis]. 19734349735
a comparison of the treatment of gas gangrene with and without hyperbaric oxygen. 19734349983
comparative study of experimental clostridium perfringens infection in dogs treated with antibiotics, surgery, and hyperbaric oxygen. 19734349984
[ship drinking water disinfection using uv irradiation. ii]. 19724350097
a paracrystalline inclusion formed during sporulation of enterotoxin-producing strains of clostridium perfringens type a.a large paracrystalline inclusion is formed by certain strains of clostridium perfringens type a during spore morphogenesis. in most cell thin sections, the inclusion appeared rod-shaped when sectioned at an angle perpendicular to its longer axis, and circular or oval-shaped when sectioned at an angle parallel to its longer axis. measurements performed on electron micrographs of inclusions sectioned to reveal the rod shape indicated a fairly consistent thickness (width) of 192 +/- 23 nm. the len ...19734350345
[preliminary study of x-ray diffraction diagrams of different high humidity dna fibers]. 19734350493
the requirement of membrane sialic acid in the stimulation of phagocytosis by the natural tetrapeptide, tuftsin. 19734350645
the role of acidic phospholipids in glucagon action on rat liver adenylate cyclase. 19734350647
changes in lipid values and lipoprotein patterns of serum samples contaminated with bacteria. 19734350799
the structures of the principal glycerolipids of pig liver. 19734351014
clostridia. ubiquitous and still lethal. 19734351069
a note on the specific fixation, specific deactivation and non-specific inactivation of bacterial toxins by gangliosides. 19734351284
antibiotic sensitivity of clostridium perfringens and l-forms of c. perfringens induced by bacteriocin. 19734351354
the enzymic synthesis of disialoganglioside: rat brain cytidine-5'-monophospho-n-acetylneuraminic acid: monosialoganglioside (g m1 ) sialyltransferase. 19734351506
[study of transformation in microorganisms]. 19734351664
[properties of cl. perfringens type a isolated from chickens]. 19734351665
biological activities contaminating preparations of phospholipase c ( -toxin) from clostridium perfringens. 19734351816
[bacteriocin production linked to the presence of a plasmid, in clostridium perfringens, type a]. 19734351839
gas gangrene--a ten-year survey from the royal adelaide hospital. 19734351870
isolation and characterization of hormone receptors. 19734351990
gentamicin blood agar used as a general-purpose selective medium.the potential value of a blood agar medium containing a final concentration of 5.5 mug of gentamicin per ml was assessed in a diagnostic laboratory over an 8-week period. the medium gave increased isolation rates of beta-hemolytic streptococci, other streptococci, bacteroides, clostridia, and yeasts. it also proved valuable in detecting gentamicin-resistant gram-negative bacilli when these were present in heavy mixed culture.19734352009
electrostatic interactions in the binding of fluorescent probes to lipid membranes. 19734352075
structural properties of the membrane of intact human spermatozoa. a study with fluorescent probes. 19734352079
clostridium perfringens exotoxins. i. purification and properties of -toxin. 19734352113
[alimentary toxinfection caused by clostridium perfringens]. 19734352118
gas gangrene of the anterior abdominal wall. 19734352173
neuraminidase "unmasking" and failure of trypsin to "unmask" -d-galactose-like sites on erythrocyte, lymphoma, and normal and virus-transformed fibroblast cell membranes. 19734352200
the detection of clostridium welchii in the differential reinforced clostridial medium technique. 19734352263
[primary septic cholecystitis due to clostridium perfringens. a case report]. 19734352269
in vitro effect of human lymphotoxin on microorganisms. 19734352473
availability to neuraminidase of gangliosides and sialoglycoproteins in neuronal membranes. 19734352518
observations on the microbiological flora of canned parma ham.a significant proportion of a consignment of branded parma ham was found to have ;blown' tins; the associated bacterial flora was therefore investigated. no salmonella or shigella were found. clostridium welchii type a and clostridium bifermentans were isolated in moderate numbers only from enrichment cultures of the ham. staphylococcus spp. and coryneform bacteria were obtained from all tins and group d streptococci were present in a few. no food-poisoning cases were associated with this ham.19734352585
relationships among pollution indicator bacteria isolated from raw water and distribution systems by the presence-absence (p-a) test. 19734352690
[acute gastroenteritis]. 19724352850
variation of type-b dna x-ray fiber diagrams with base composition.eight natural dnas of widely differing base composition have been studied by x-ray diffraction in fibers at high relative humidity. the resulting type b diffraction diagrams showed that all of the dnas had a 34-a pitch and 3.4-a interbase pair separation. however, the intensity distribution on the inner three layer lines was a strong function of the base content. in diffraction diagrams of very at-rich dna, the intensity of the first and third layer line was 2- or 3-times stronger than in the pa ...19734352977
[non-puerperal infections, without hemolysis or anuria due to welchia perfringens. apropos of 7 cases]. 19734353110
[circulating toxin, an aid in the diagnosis of type b botulism in man]. 19734353197
[x-ray diffraction study of metastable states and hysteresis cycles of dna]. 19734353248
specific binding of phosphorylated non-histone chromatin proteins to deoxyribonucleic acid. 19734353273
ferredoxin-linked nitrate reductase from clostridium perfringens. 19734353334
[occurrence of clostridium perfringens and its toxins and clostridium perfringens enterotoxemia in cattle]. 19734353371
developmental changes in microheterogeneity of foetal plasma glycoproteins of mice.changes in microheterogeneity of foetal plasma glycoproteins during development of mouse embryos were investigated. analysis of foetal plasma by polyacrylamide-gel electrophoresis indicated three major zones of proteins: (1) transferrins, (2) alpha-foetoproteins and (3) albumin. three transferrins (tr1, tr2, tr3) and five alpha-foetoproteins (fp1, fp2, fp3, fp4, fp5) were resolved. evidence for the presence of transferrins was the binding of (59)fe to the three electrophoretic variants. by day 1 ...19734353382
phospholipase-c from bacillus cereus: production, purification, and properties. 19734353386
incidence of clostridium perfringens in dehydrated soup, gravy, and spaghetti mixes. 19714353455
gas gangrene. 19734353508
[diseases in man and animal caused by clostridium perfringens and their relations]. 19734353612
inhibition of cellular differentiation by phospholipase c. i. effects of the enzyme on myogenesis and chondrogenesis in vitro.in cell culture, a partially purified commercial preparation of phospholipase c (plc) from clostridium welchii inhibited fusion of myoblasts at concentrations of 12-50 microg per ml. at lower concentrations, plc-treated cultures were indistinguishable from controls, and at concentrations above 100 microg per ml, plc-treated cells detached from their substrates. the effect was reversible and fusion resumed approximately one cell cycle time after removal of the enzyme. neither the percent of cells ...19734353637
the influence of carbon dioxide on the growth of obligate and facultative anaerobes on solid media. 19734353643
assay methods for clostridium perfringens type a enterotoxin.enterotoxin produced by a sporulating culture of clostridium perfringens type a nctc 8798 was purified to a level of 3,500 mouse mean lethal doses per mg of nitrogen. high-titer sera were obtained from rabbits injected with enterotoxin and used to compare the sensitivity of serological tests and bioassays for c. perfringens enterotoxin. reversed passive hemagglutination was by far the most sensitive test, followed by microslide diffusion, single gel diffusion and electroimmunodiffusion, guinea p ...19734353692
[immunological study of fish using the toxin of clostridium perfringens]. 19724353780
regulation of aspartokinase activity in clostridium perfringens.cells of clostridium perfringens type d apparently possess only a single species of aspartokinase. this enzyme has been partially purified and shown to be feedback inhibited by meso-diaminopimelate in an allosteric manner. the inhibitor exerts its action noncompetitively with respect to both substrates. the kinetic analysis further indicates that no homotropic cooperative interactions occur between either multiple substrate or inhibitor sites. like aspartokinases from other bacteria, the clostri ...19734353873
the intestinal flora of pigs with special reference to clostridium perfringens. 19724353892
interconversion of the a and b forms of ceramide trihexosidase from human plasma. 19734354031
clostridium infection after intra-amniotic hypertonic saline injection for induced abortion. 19724354080
complementation of theta-toxinogenicity between mutants of two groups of clostridium perfringens. 19734354118
characterisation of the surface of bovine milk fat globule membrane using microelectrophoresis. 19734354124
inhibition of enzymes by human salivary immunoglobulin a.human whole saliva inhibited bacterial neuraminidases and the inhibition was found to reside in the salivary iga fraction. further, salivary immunoglobulin (ig)a inhibited various bacterial enzymes and toxins: neuraminidases from streptococcus mitis, streptococcus sanguis, and clostridium perfringens, hyaluronidase and chondroitin sulfatase from oral bacteria, diphtheria toxin, and streptolysin o. the inhibitory activity of salivary iga did not correlate with that of serum on the basis of minimu ...19734354148
role of zinc in the production of clostridium perfringens alpha toxin.clostridium perfringens was found to produce alpha toxin in a synthetic medium containing zinc; in medium containing no zinc, a little toxin was detected in the early logarithmic phase of growth and it disappeared rapidly. no intracellular accumulation of alpha toxin protein occurred whether or not zinc was present in the medium. in zinc-deficient medium, the organisms produced and released into the surrounding medium the protein specifically precipitable with alpha antitoxin in an amount compar ...19734354149
clostridium welchii enterocolitis in arteriosclerotic patients. 19734354160
clostridial brain abscess and hyperbaric oxygen. 19734354408
[seeding of ponds and carp with clostridium perfringens bacilli]. 19724354424
a novel monosialoganglioside synthesized by a rat brain cytidine-5'-monophospho-n-acetylneuraminic acid: galactosyl-n-acetylgalactosaminyl-galactosyl-glucosylceramide sialyltransferase. 19734354446
enterotoxic diarrheal syndromes. 19734354663
[antibacterial activities of lincomycin and clindamycin against anerobic bacteria]. 19734354698
phosphatases. ix. differences in sialic acid content of rat liver alkaline phosphatase isoenzymes. 19734354753
[effect of antibiotics on the properties of the causative agents of anaerobic infections]. 19724354914
[ultrastructural study of human clostridial gas gangrene]. 19734354995
absence of relationship of fecal clostridium perfringens to rheumatoid arthritis and rheumatoid variants. 19734355210
large-scale production of clostridial collagenase and lecithinase c: short communication. 19734355336
[bacteriological and epidemiological study of 427 cases of suppurating meningitis identified at the centre hospitalier regional, nancy, during the last 11 years. comparison with a previous study]. 19734355383
the effect of phospholipases on the release of enzymes from intact cells. 19734355411
entamoeba histolytica: concurrent irreversible loss of infectivity-pathogenicity and encystment potential after prolonged maintenance in axenic culture in vitro. 19734355413
necrotic enteritis in broiler chickens. i. a review of the literature and the prevalence of the disease in ontario.the available literature on necrotic enteritis in broiler chickens is reviewed. the records of three poultry diagnostic laboratories in ontario were examined for the years 1969, 1970 and 1971. during this period 855 (7.7%) of 11,076 consignments of broiler chickens examined were diagnosed as necrotic enteritis. the condition was most common in broilers at three weeks of age, with 66% of all cases occurring in chickens between two and four and one half weeks. the disease occurred throughout the y ...19734355471
sensitization by ethylenediaminetetraacetate of clostridium perfringens type a spores to germination by lysozyme.clostridium perfringens spores (three strains) were normally resistant to germination by lysozyme. in the absence of disulfide bond-breaking reagents, tetrasodium ethylenediaminetetraacetate rapidly sensitized the spores to lysozyme.19734355485
receptor for thyrotropin-releasing hormone in plasma membranes of bovine anterior pituitary gland. role of lipids. 19734355588
water pollution: microbiology of water. 19734355623
an experimental study of the effects of drains on colon anastomoses. 19734355706
coccidiosis in chickens: obligate relationship between eimeria tenella and certain species of cecal microflora in the pathogenesis of the disease. 19734355962
the fluorescence of quinacrine mustard with nucleic acids. 19734356153
the subunits of l-glutamate decarboxylase from clostridium perfringens. 19734356321
effect of a highly purified phospholipase c on some electrophysiological properties of the frog muscle fibre membrane. 19734356418
inactivation of clostridium perfringens type a spores at ultrahigh temperatures.the inactivation of clostridium perfringens type a spores (three strains of different heat resistances) at ultrahigh temperatures was studied. aqueous spore suspensions were heated at 85 to 135 c by the capillary tube method. when survivors were enumerated on the standard plating medium, the spores appeared to have been rapidly inactivated at temperatures above 100 c. the addition of lysozyme to the plating medium did not affect the recovery of spores surviving the early stages of heating, but l ...19734356457
in vitro production of clostridium perfringens enterotoxin and its detection by reversed passive hemagglutination.the reversed passive hemagglutination (rpha) test yielded a positive reaction in 2 h with as little as 0.5 ng of purified clostridium perfringens enterotoxin (cpe) per ml as well as with cultures of some c. perfringens grown in duncan-strong (ds) medium. this method is the most sensitive, the simplest, and the fastest among all reported. the time course of cpe production of clostridium perfringens nctc 8798 in ds was investigated by rpha. cpe in culture was detectable at 4 h, increased gradually ...19734356461
purification of clostridium perfringens type c theta toxin. 19734356555
quantitative determination of reducing sugars, oligosaccharides, and glycoproteins with (3h)borohydride. 19734356653
heterologous protein-rna interactions in bacterial ribosomes. 19734356720
influence of chlorine dioxide water treatment on numbers of bacteria associated with processed turkey. 19734356753
[toxin formation by cl. perfringens on a casein-pancreatic medium]. 19734356903
[clostridium perfringens contamination of beef]. 19734356956
[enterotoxemia in pigs and cattle due to clostridium welchii type a]. 19734357239
a comparative quality survey of five common market foods in low and high income economic areas. 19734357259
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