| moloney virus-induced cell surface antigens and histocompatibility antigens are located on distinct molecules. | | 1979 | 87439 |
| alpha-fetoprotein as a carrier protein in plasma and its bilirubin-binding ability. | the bilirubin-binding ability of human alpha-fetoproteins, which were purified from fetal cord serum and from ascites fluid of a hepatoma-bearing patient, was examined by the difference spectrum and the jacobsen peroxidase methods. the difference spectrum observed as a result of the specific binding of bilirubin to alpha-fetoprotein had a maximum at 482 nm, and this pattern was quite similar to that observed for serum albumin. the result obtained by the difference spectrum method showed that 1 m ... | 1979 | 89900 |
| phycobiliprotein synthesis in protoplasts of the unicellular cyanophyte, anacystis nidulans. | stable and metabolically active protoplasts were prepared from the unicellular cyanophyte, anacystis nidulans, by enzymatic digestion of the cell wall with 0.1% lysozyme. the yield of protoplasts from intact algal cells was approx. 50%. incorporation of l-[u-14c]leucine into cold trichloroacetic acid-insoluble material from protoplasts preparations was linear for 1.5 h and continued for an additional 2.5 h. incorporation of radiolabeled leucine into hot trichloroacetic acid-insoluble material fr ... | 1978 | 96857 |
| inhibitory effect of normal mammalian sera on the rosette formation of human lymphocytes with sheep red blood cells. | | 1975 | 123840 |
| [observations on the combination of iga-deficiency and extremely low antibody titers against measles (author's transl)]. | | 1975 | 126541 |
| sex differences in response to hepatitis b infection among patients receiving chronic dialysis treatment. | patients undergoing treatment at a community-based renal dialysis clinic were monitored monthly for hepatitis b surface antigen (hbsag) and antibody to hbsag (anti-hbs). of 160 patients who began treatment hbsag(-)/anti-hbs(-), 77 subsequently became hbsag(+). once hbsag(+), males were more likely to remain hbsag(+) indefinitely, whereas females were more likely to convert to hbsag(-) and develop anti-hbs. this was not due to a sex difference in exposure to hepatitis b virus because only patient ... | 1977 | 267950 |
| replacement of pseudouridine in transfer rna by 5-fluorouridine does not affect the ability to stimulate the synthesis of guanosine 5'-triphosphate 3'-diphosphate. | the requirement for ribothymidine and pseudouridine in the tpsicg loop of trna for its activity in the ribosome and trna-stimulated synthesis of guanosine 5'-triphosphate 3'-diphosphate (pppgpp) by stringent factor has been tested by the use of a purified trnaphe (883 pmol of phenylalanine incorporated/a260 unit) in which 92% of the pseudouridine, 98% of the ribothymidine, 98% of the dihydrouridine, and 88% of the uridines were substituted by 5-fluorouridine. this trna was quantitatively as acti ... | 1978 | 356873 |
| yersinia intermedia: temperature-dependent bacteriocin production. | yersinia enterocolitica and related yersinia species share many temperature-dependent biological attributes. the present report documents temperature-dependent production of a bacteriocin-like substance only among yersinia strains which ferment l-rhamnose, raffinose, and melibiose and which have been tentatively designed y. intermedia. when tested by the "lawn-spotting" technique at 25 and 37 degrees c, 7 of 15 y. intermedia strains produced a bacteriocin only at 25 degrees c with a uniform spec ... | 1979 | 528679 |
| speciation in yersinia. | deoxyribonucleic acid (dna) relatedness among members of the genus yersinia and the biochemical reactions of these organisms were compared. these data were used to reassess speciation within the genus yersinia, and three new species were proposed. these are yersinia ruckeri sp. n., formerly called the redmouth bacterium; yersinia intermedia, sp. n., formerly a rhamnose-positive, raffinose-positive, melibiose-positive biogroup within yersinia enterocolitica; and yersinia frederiksenii sp. n., for ... | 1979 | 535389 |
| myelopathy associated with human t cell lymphotropic virus type 1 in a white european native to england. | | 1992 | 1392959 |
| survival of yersinia enterocolitica in soil and water. | yersinia enterocolitica o3, o4, o5a, o5b, o6, o6, 30, o9 and o13 and yersinia intermedia were examined to clarify their survival in natural soil, river water and well water. the o3 strain disappeared most rapidly from soil at both temperature of 4 degrees c and 20 degrees c and from river water at 20 degrees c. although the o5b and o9 strains disappeared before the o3 strain did from river water at 4 degrees c, the o9 strain survived as long as non-virulent strains did in soil at 4 degrees c. th ... | 1991 | 1830776 |
| [detection of virulence markers in clinical strains of yersinia]. | the dispersion of plasmid pyv associated virulence markers in 474 yersinia strains isolated from people has been studied. the ability to autoagglutination, calcium dependence of growth and the specific antigens were identified in 157 strains of traditionally pathogenic yersinia enterocolitica serovars 03, 09, yersinia pseudotuberculosis serovar i. they were not found in 223 strains of other 12 serovars of yersinia enterocolitica, in 40 strains of yersinia frederiksenii, yersinia kristensenii, ye ... | 1991 | 1857370 |
| [the isolation of yersinia intermedia strains with a plasmid of 82-megadalton molecular weight in natural populations of yersinia]. | for the first time y. intermedia strains containing plasmids with a molecular weight of 82 md have been detected in natural populations of urease-positive yersinia. such populations have been isolated from two species of birds and from the soil in the area where they have been killed (the maritime territory), as well as from washings from the surface of onions in a vegetable store (chita province). the strains, administered orally to white mice, proved to be nonpathogenic. plasmids with a molecu ... | 1990 | 2097844 |
| [quantitative and qualitative studies of yersinia species in the waste water of a purification plant]. | during a long term investigation (october 1986 october 1987) yersinia spp. were isolated from sewage in 5 different stages of a sewage treatment plant in kiel (bülk), schleswig-holstein, frg. methods applied were mpn-procedure, cold enrichment in cin-broth and finally incubation on cin-agar (cefsulodin-irgasan-novobiocin). yersinia enterocolitica were specified according to their serotypes (o:3/o:9) and biotypes. results (median/100 ml): sewage influent 90,000 kbe (log 4.95), aerated grit remova ... | 1990 | 2180421 |
| identification of yersinia species by the api 20e. | a prospective study was performed to assess the effectiveness of the api 20e in the identification of 183 yersinia isolates incubated at 28 degrees c for 18 to 24 h. the results showed an overall correct-identification rate of 90%, with positive predictive values for yersinia enterocolitica and yersinia frederiksenii of 94 and 92%, respectively. yersinia intermedia results were unacceptable. | 1990 | 2199507 |
| [the occurrence of yersinia enterocolitica in sewage]. | using a modified cold enrichment procedure yersinia spp. were detected in 90.6% out of 32 raw waste water samples obtained within one year from two municipal sewage treatment plants. moreover yersinia were isolated from 50% of 6 effluent samples. altogether 118 yersinia strains were isolated and typed biochemically and serologically. 69 out of these isolates belonged to yersinia enterocolitica, 60 strains to biotype 1, and 9 to biotype 4, serotype 0:3, 8 strains yersinia enterocolitica serotype ... | 1990 | 2220165 |
| mice and moles inhabiting mountainous areas of shimane peninsula as sources of infection with yersinia pseudotuberculosis. | a total of 1,835 yersinia spp. were isolated from 925 (60.5%) of 1,530 wild mice and from 139 (79.9%) of 174 moles living in mountainous areas of eastern shimane prefecture, japan. the yersinia spp. included 1,106 yersinia enterocolitica, 26 y. enterocolitica-like, 176 yersinia mollaretii, 149 yersinia frederiksenii, 70 yersinia intermedia, 231 yersinia kristensenii, 5 yersinia aldovae, and 72 yersinia pseudotuberculosis. human pathogenic y. enterocolitica was not isolated. y. pseudotuberculosis ... | 1990 | 2254420 |
| [from the parenchyma to the mucosa biopsy: significance and importance of local assays of antibiotics. a critical study]. | the authors discussed the relevance of antibiotic concentrations as measured in tissues and fluids of the respiratory tract. they analysed theoretical factors which influence tissue distribution of antibiotics as well as the results of studies carried out in animal and in human tissues. various factors may interfere with the results of antibiotic assays: but the data published by various groups were usually convergent: this confirms the significance of "tissue pharmacokinetics". new protocols ba ... | 1990 | 2270342 |
| comparison of enrichment and plating media for isolation of yersinia. | yersinia enterocolitica (serotypes 0:3 or 0:8), yersinia frederiksenii, yersinia kristensenii, or yersinia intermedia along with 10(8) cells of each of three extraneous organisms (escherichia coli, enterobacter aerogenes, pseudomonas fragi), all commonly found on market poultry, were inoculated into five enrichment media followed by streaking onto 11 plating media to determine the most-efficacious combinations for future surveys or assessment studies. for yersinia enterocolitica (0:8), infrequen ... | 1990 | 2356183 |
| [the structure of o-specific polysaccharide isolated from the lipopolysaccharide of yersinia intermedia strain 180]. | an o-specific polysaccharide from lipopolysaccharide of yersinia intermedia pathogenic strain 680 has been isolated and shown to be a serologically active fructane. serological specificity of the lipopolysaccharide and the fructane was studied by reactions of precipitation and of inhibition of passive hemolysis. on the basis of methylation studies, 13c nmr spectroscopy, and immunochemical data the following structure was proposed for the repeating unit of the o-specific polysaccharide: (formula: ... | 1987 | 2445352 |
| [structure of the o-specific polysaccharide chain of the lipopolysaccharide from yersinia intermedia serotype o:4.33]. | o-specific polysaccharide has been isolated on autohydrolysis of lipopolysaccharide from yersinia intermedia o: 4.33 (strain 1476) and shown to consist of the yersiniose b (3.6-dideoxy-4-c-(1-hydroxyethyl)-xylo-hexose) and 2-acetamido-2-deoxy-d-galactose residues in a molar ratio of 1 : 2. acid hydrolysis, methylation. solvolysis with anhydrous hydrogen fluoride. and 13c-nmr studies indicate the polysaccharide to be composed of trisaccharide repeating units of the following structure: (formula: ... | 1988 | 2454623 |
| [stationary and migratory avifauna as reservoirs of salmonella, yersinia and campylobacter]. | domestic and wild animals have been always considered very important as reservoir of agents of human infections. particularly birds, because of their great mobility from a continent to another or within the limits of the same ecosystem may transfer pathogenic micro-organisms. the present survey was undertaken in order to evaluate the presence of campylobacter, yersinia and salmonella in migratory and permanent birds. during the period october 1986 to march 1988 intestinal loops were collected fr ... | 1989 | 2483644 |
| [yersinia and infantile gastroenteritis]. | fecal samples and intestinal mucosal biopsies of 16 patients in paediatric age, with protracted diarrhoea with blood and mucus, were examined for intestinal pathogens including yersinia. yersinia enterocolitica 1/5/xz and yersinia intermedia 1/18/xz were isolated from fecal samples of two patients. in another child, yersinia enterocolitica, 1/5/xz was isolated from fecal sample, while yersinia enterocolitica 1/self-agglutinable/xz from colon biopsy. the other intestinal pathogens were absent; ae ... | 1989 | 2490392 |
| [acute maternal anterior poliomyelitis in a non-endemic zone]. | the authors report the case of a 26 year old woman with acute anterior poliomyelitis contracted during the vaccination of her baby. despite having been herself vaccinated in infancy she was not protected against the poliovirus. the clinical interest of this uncommon case is a severe paralytic state with definitive paraplegia. the authors suggest serologic testing of patients born before 1967 especially if they are at risk of encountering the virus. | 1989 | 2561040 |
| endotoxic activity and enterotoxigenicity of human strains of campylobacter jejuni isolated from patients in a nigerian hospital. | limulus gelation assay and dermal schwartzman reaction provided a sensitive and reproducible means of testing the endotoxic activity of hospital strains of campylobacter jejuni in lagos, nigeria. all the 22 isolates of campylobacter jejuni tested for the limulus gelation assay were positive for the production of endotoxin. furthermore, the campylobacter suspensions caused a positive dermal schwartzman reaction in rabbits. the area of skin reaction was less extensive than that produced by escheri ... | 1989 | 2632005 |
| endotoxic activity and enterotoxigenicity of human strains of campylobacter jejuni isolated from patients in a nigerian hospital. | limulus gelation assay and dermal schwartzman reaction provided a sensitive and reproducible means of testing the endotoxic activity of hospital strains of campylobacter jejuni in lagos, nigeria. all the 22 isolates of campylobacter jejuni tested for the limulus gelation assay were positive for the production of endotoxin. furthermore, the campylobacter suspensions caused a positive dermal schwartzman reaction in rabbits. the area of skin reaction was less extensive than that produced by escheri ... | 1989 | 2632005 |
| clonal diversity and relationships among strains of yersinia enterocolitica. | allelic variation in the chromosomal genome of 81 isolates of yersinia enterocolitica and single isolates of yersinia intermedia, yersinia frederiksenii, yersinia mollaretii, and yersinia kristensenii was assessed by analysis of electrophoretically demonstrable polymorphism in 21 genes encoding metabolic enzymes. eighteen distinctive multilocus genotypes (electrophoretic types [ets]) were identified. clustering of the ets from a matrix of pairwise genetic distances, based on the 21 enzyme loci, ... | 1989 | 2687316 |
| immunodeficiency viruses: the simian-human connection. | | 1989 | 2725658 |
| [the "diseased" or "dead" guillemots (uria aalge), three-toed gulls (rissa tridactyla), silver gulls (larus argentatus) and laughing gulls (larus ridibundus) found in the area of the german bay, 1982-1985]. | between 1982 and 1985 the cadavers of 50 guillemots (uria aalge), 41 kittiwakes (rissa tridactyla), 26 herring gulls (larus argentatus) and 34 black-headed gulls (larus ridibundus) were examined pathological, bacteriological and virological. the probable cause of death was established. parasitosis were particularly prevalent in herring gulls (49%), where the main infection--as in black-headed gulls--was with cestoides. in kittiwakes and guillemots mainly spiruroideae were recorded. the commonest ... | 1989 | 2752934 |
| a survey for yersinia pseudotuberculosis in migratory birds in coastal japan. | yersinia pseudotuberculosis was isolated from three specimens of two species of birds, the black-faced bunting (emberiza spodocephala) and pied wagtail (motacilla alba), of 528 specimens of birds examined from coastal regions in japan. the two isolated strains of y. pseudotuberculosis were identified as serovar 4b and serovar 3. this is the first isolation of y. pseudotuberculosis from birds in japan. yersinia enterocolitica was isolated from three specimens of the pied wagtail, one specimen of ... | 1989 | 2761013 |
| enhancer sequences of a retroviral vector determine expression of a gene in multipotent hematopoietic progenitors and committed erythroid cells. | to analyze the transcriptional activity of retroviral enhancer sequences in hematopoietic lineages, we determined the effect of enhancer sequences on the expression of the neomycin resistance gene transferred by two retroviral vectors to primary hematopoietic lineages. we constructed the vector pfr-sv(x). the moloney murine leukemia virus enhancer region of a vector, pzip-sv(x), was replaced by a 380-nucleotide-long fragment containing the enhancer sequences of the friend murine leukemia virus. ... | 1987 | 2825203 |
| detection of leukotriene b4 in cardiac tissue and its role in infarct extension through leucocyte migration. | the main left coronary artery of rats was ligated near its origin under light ether anaesthesia and the infarction observed for 48 h. the ischaemic area was determined after an intravenous injection of pontamine sky blue dye 1 h before induction of cardiac arrest with potassium chloride. the unstained area (true ischaemic area) decreased with time to 27.1% of the left ventricle at 48 h, whereas the intensely stained area between the normal and the true ischaemic areas increased with time, sugges ... | 1988 | 2844405 |
| the protective effect of thromboxane synthetase inhibition on renal function in systemic sepsis. | to study the role of thromboxane in systemic sepsis and renal failure, peritonitis was induced surgically in 22 sheep, leading to local and systemic sepsis. a selective thromboxane synthetase inhibitor, u63,557a (upjohn co, kalamazoo, mi) was given before surgery in five animals and 30 minutes after surgery in five animals. a typical picture of volume-loaded, normotensive, vasodilated septic shock developed in all animals. twenty four hours after induction of sepsis, the control group showed a m ... | 1989 | 2916566 |
| human milk-derived lactoferrin inhibits mitogen and alloantigen induced human lymphocyte proliferation. | purified lactoferrin (lf), isolated from human milk, was tested for its effect on human t-lymphocyte proliferative responses to phytohemagglutinin (pha) and to alloantigens in mixed lymphocyte culture. lf inhibited proliferation in both assays in a dose-dependent manner. the suppressive effect was not due to lf mediated cytotoxicity since washing cells that had been pre-incubated with lf restored their proliferative activity. lf was most effective in suppressing the pha response when added withi ... | 1987 | 2963123 |
| evaluation of the alpha-1 and alpha-2 adrenoceptor-mediated effects of a series of dimethoxy-substituted tolazoline derivatives in the cardiovascular system of the pithed rat. | the alpha-1 and alpha-2 adrenoceptor-mediated effects of a series of dimethoxy-substituted tolazoline derivatives were investigated in the cardiovascular system of the pithed rat. the 2,5- and 3,5-dimethoxy-substituted tolazoline derivatives produced vasopressor responses that were inhibited by the alpha-1 adrenoceptor antagonist, prazosin (0.1 mg/kg i.v.), and were not affected by the alpha-2 adrenoceptor antagonist, yohimbine (1 mg/kg i.v.), suggesting that these derivatives selectively activa ... | 1985 | 2981322 |
| occurrence of yersinia spp. in raw beef, pork and chicken. | one hundred and twenty raw ground beef, pork and chicken samples from ten local grocery stores during a one year period were assayed for the presence of yersinia spp., using direct and postenrichment koh treatment. seven thousand and fifty-five different isolates were recovered from 119 (99%) samples of beef and pork and 118 (98%) samples of chicken, including 27 yersinia enterocolitica serotype 03 biotype 3b phage type 2 (4 pork samples), 4 y. enterocolitica serotype 03 biotype 4 phage type 8 ( ... | 1987 | 3113096 |
| yersiniae and iron. a study in host-parasite relationships. | most enterobacteria obtain the iron they require for growth by producing low-molecular-weight high-affinity iron ligands known as siderophores. these substances chelate and solubilize iron making it available to bacteria. the pathogenic yersiniae produce no detectable siderophores; thus, they proliferate poorly or not at all under conditions of iron limitation. most systemic infections with yersinia enterocolitica occur in patients who are overloaded with iron. this may be due to the presence of ... | 1987 | 3311635 |
| influence of f strain mycoplasma gallisepticum infection on response of commercial layers to heat exposure. | commercial layers were inoculated with f strain mycoplasma gallisepticum (mg) and housed in either conventional chicken houses or the lower-stress environment of biological isolation units. at the end of 2 weeks, all treatment groups were placed in environmental chambers and subjected to 4 hr of heat stress (40 c with a dew point of 21 c). rectal temperature, an indicator of response to high heat, was monitored. rectal temperatures of f strain mg-inoculated hens housed in the conventional chicke ... | 1988 | 3401170 |
| identification and characterization of yersinia intermedia isolated from human feces. | since may 1983, our laboratory has, upon request, cultured stools for yersinia spp. by using direct plating on cefsulodin-irgasan-novobiocin agar and a 3-week cold enrichment procedure. we isolated bacteria identified as y. intermedia from six adult patients. all isolates were recovered only by the cold enrichment procedure and misidentified as y. enterocolitica by the api 20e system (analytab products, plainview, n.y.). final identification was made on the basis of results obtained with convent ... | 1987 | 3584421 |
| yersinia enterocolitica, yersinia frederiksenii and yersinia intermedia in cyprinus carpio (linneo 1758). | | 1987 | 3591113 |
| treatment of cerebrospinal fluid with formalin from patients infected with human immunodeficiency virus before diagnostic microscopy. | | 1987 | 3643930 |
| antagonism between yersinia intermedia and yersinia enterocolitica in water. | one strain of yersinia enterocolitica and one strain of y. intermedia were grown in peptone water at 25 or 37 degrees c, or in ground water at 15 degrees c. similar growth rates were observed when these strains were cultivated separately in the same media and at the same temperature. mixed cultures at 37 degrees c displayed equivalent growth rates. in contrast, mixed cultures incubated at 15 or 25 degrees c were regularly unfavourable to y. enterocolitica, whereas they did not modify the growth ... | 1986 | 3710318 |
| characteristics of yersinia intermedia-like bacteria isolated from patients with diarrhea in nigeria. | five yersinia strains, biochemically mimicking yersinia intermedia, were isolated from patients with acute diarrheal diseases seen at the university of lagos (nigeria) teaching hospital between october 1979 and september 1982. the five isolates utilized citrate as their source of carbon and fermented sucrose, l-rhamnose, and alpha-methyl-d-glucoside, but unlike any other y. intermedia biogroup, they failed to ferment d-melibiose or d-raffinose. they all belonged to serogroup o:52,53. four autoag ... | 1986 | 3711276 |
| lack of task specificity and absence of posttraining effects of atropine on learning. | three experiments are reported whose purpose was to examine the effect of the cholinergic antagonist atropine on the acquisition of different learning tasks known to be sensitive or insensitive to impairment by hippocampal lesions; on the retention of performance acquired in the absence of the drug; and on memory consolidation immediately after daily training trials. in experiment 1, atropine sulfate (10 or 50 mg/kg, ip), injected 30 min prior to training, severely impaired learning of both spat ... | 1986 | 3741600 |
| faecal carriage rate of yersinia species. | a total of 1,203 unselected routine faecal samples from 1,006 patients were cultured for yersinia species by a cold enrichment technique. seventy-five specimens (6.1%) from 63 patients were culture-positive for yersinia spp. fifty-two were yersinia enterocolitica, 22 yersinia frederiksenii and 1 yersinia intermedia. the predominant y. enterocolitica isolates belonged to biotype 1 - serotype 0:6, 30 or serotype 0:5, 27. y. frederiksenii strains were non-typable. forty isolates were recovered from ... | 1986 | 3782782 |
| [presence of yersinia enterocolitica in raw cow's milk]. | studied were a total of 286 samples of raw milk from 12 dairy farms for the presence of yersinia enterocolitica. various methods and nutrient media were tested for the successful isolation of this organism. it was found that 11.89 per cent, on an average, of the investigated samples contained y. enterocolitica. the positive samples on the individual farms varied from 0 to 33.33 per cent. best results were obtained with the use of the phosphate buffer physiologic saline and rappaport's modified b ... | 1985 | 3887747 |
| [supraventricular tachycardia induced by effort and by catecholamines]. | the role played by catecholamines in the initiation of certain forms of ventricular tachycardia is now recognised. on the other hand, a similar predominant or exclusive mechanism has not been demonstrated in supraventricular tachycardia. we observed a rate case of reproducible attacks of junctional tachycardia on effort in a 45 year old man. this patient had experienced attacks of tachycardia on effort for a number of years, stopping about 10 minutes after the end of effort. an exercise stress t ... | 1985 | 3936447 |
| occurrence of yersinia enterocolitica in wild-living birds and japanese serows. | yersinia spp. were isolated from 34 of 500 birds representing nine species. the highest isolation rate, 5 of 21 (23.8%), was found in blue magpies (cyanopia cyanus), followed by pheasants (phasianus colchicus tohkaidi), 5 of 33 (15.2%); gray starlings (sturnus cineraceus), 6 of 57 (10.5%); tree sparrows (passer montanus), 1 of 14 (7.1%); bulbuls (hypsipetes amaurotis), 4 of 57 (7.0%); crows (corvus levailantii or corvus corone), 7 of 117 (6.0%); eastern turtledoves (streptopelia orientalis), 4 o ... | 1985 | 3977310 |
| proceedings: the role of humoral factors and diamine oxidase activity in shock after intestinal ischaemia in rabbits. | | 1973 | 4201758 |
| nac1 preference in spontaneously hypertensive rats: age and blood pressure effects. | | 1973 | 4726496 |
| partial characterization of yersinia intermedia bacteriocin. | yersinia intermedia produces a temperature-dependent (25 degrees c) bactericidal substance that is active against other yersinia species. crude preparations of the inhibitory substance were inactivated by chymotrypsin, trypsin, pronase, and heating but were not affected by lipolytic enzymes, chloroform, or other organic solvents. these data suggest that the active molecule is a bacteriocin of a proteinaceous nature. the molecular weight of the bacteriocin was estimated to be greater than 14,000. ... | 1983 | 6341403 |
| yersinia spp. in surface water in matsue, japan. | yersinia spp. (741 strains) were recovered from 81% of 48 surface water samples collected over a 12-month period from four rivers in matsue, japan. the precipitation methods with fecl3 or kaolin and the cold enrichment method with peptone-mannitol-phosphate buffer solution were used for recovery. isolates belonged to yersinia enterocolitica (ye) (133 strains), yersinia intermedia (511 strains), yersinia frederiksenii (57 strains), yersinia kristensenii (10 strains) and x2-like organisms (30 stra ... | 1984 | 6475378 |
| first isolation of yersinia intermedia from stool during an epidemiological investigation in bangladesh. | following the first isolation of yersinia intermedia (y. intermedia) in the microbiology branch of icddr, b from two postmortem cases, one of whom suffered from pneumonia and septicaemia and the other from enteric fever, an epidemiological investigation was carried out in the communities from where these postmortem cases had come. the stools from both postmortem cases were negative for yersinia. one hundred and twenty five contacts of the first postmortem case and 135 contacts of the second post ... | 1983 | 6649049 |
| pigmented strains of yersinia intermedia isolated from water. | two yersinia intermedia strains isolated from water produced a nondiffusible blue-grey pigment. pigment production was influenced by culture conditions: it was inhibited at 37 degrees c and by growth in anaerobiosis. dissociation into non-pigmented clones occurred spontaneously. pigment could not be extracted by organic solvents. | 1983 | 6651127 |
| prospective systematic study of yersinia spp. in dogs. | a total of 93 yersinia spp. were isolated from 68 of 252 dogs in shimane prefecture, japan. the yersinia spp. were 70 yersinia enterocolitica isolates from 50 dogs, 2 yersinia frederiksenii isolates from 2 dogs, 5 yersinia intermedia isolates from 5 dogs, and 16 yersinia pseudotuberculosis isolates from 16 dogs. fifteen of 70 y. enterocolitica isolates belonged to biotype 4 serotype o3 phagotype 8 (6 isolates), biotype 4 (maltose negative) serotype o3 phagotype 8 (4 isolates), biotype 3 (voges-p ... | 1984 | 6736224 |
| proposed revision of the wauters et al. antigenic scheme for serotyping of yersinia enterocolitica. | the antigenic scheme of wauters and co-workers was applied to serotype a total of 585 strains of yersinia enterocolitica, 43 strains of yersinia kristensenii, 40 strains of yersinia frederiksenii, and 25 strains of yersinia intermedia. the o antigens 11,23; 11,24; 12,25; 12,26; and 28 were exclusively associated with y. kristensenii. o antigen 16 was associated with y. kristensenii and y. frederiksenii. the serogroups o:4,33 and o:17 were only found in y. intermedia, whereas the remaining serogr ... | 1984 | 6746891 |
| new bacteriophage typing system for yersinia enterocolitica, yersinia kristensenii, yersinia frederiksenii, and yersinia intermedia: correlation with serotyping, biotyping, and antibiotic susceptibility. | yersinia enterocolitica is listed as a single species in bergey's manual of determinative bacteriology, but has recently been split into "true" y. enterocolitica, y. kristensenii, y. intermedia, and y. frederiksenii. from 48 bacteriophages isolated from raw sewage, 24 were chosen as being the most useful for differentiating strains within the four yersinia species. the composite set of 24 phages typed 92% of 236 y. enterocolitica strains, 100% of 16 y. kristensenii strains, 97% of 29 y. frederik ... | 1982 | 7076822 |
| rapid isolation of yersinia spp. from feces. | direct plating or cold enrichment or both have been used to isolate yersinia spp. from feces. freeze-shock double enrichment and koh treatment have been recommended for recovery of yersinia enterocolitica from surface waters and food, respectively. these techniques were evaluated as alternatives for rapid recovery of yersinia spp. from feces. stool samples were homogenized in buffered saline and autoclaved. escherichia coli. klebsiella pneumoniae, and pseudomonas aeruginosa were each added to th ... | 1982 | 7076823 |
| partial purification and characterization of bacteriocin from yersinia kristensenii. | a raw milk bacterial isolate, identified as yersinia kristensenii was found to produce a bacteriocin which was inhibitory to yersinia enterocolitica but not to other selected species of yersinia or gram-negative bacteria. maximum production of bacteriocin was obtained when the organism was grown in shake culture at 28 degrees c. mitomycin c at a concentration of 0.5 micrograms ml-1 induced bacteriocin production. the bacteriocin was partially purified and characterized by ammonium sulphate fract ... | 1995 | 7730201 |
| intestinal carriage of campylobacters, salmonellas, yersinias and listerias in pigeons in the city of barcelona. | the faecal bacterial flora of pigeons, which may be the source of infectious diseases in man, was studied in the city of barcelona. four hundred cloacal specimens were examined for campylobacter jejuni, camp. coli, salmonella spp., yersinia spp. and listeria spp., over a 12 month period. campylobacter jejuni was the most frequently isolated micro-organism, found in 105 pigeons (26.2%), with a greater incidence in the districts of the city with a high density of pigeons and without seasonal varia ... | 1995 | 7883642 |
| [phenotypic characterization and distribution of yersinia in human and environmental samples]. | the distribution of species and phenotypes of yersinia isolated from environmental samples over an eight year period are compared to that of stool cultures obtained from patients of the same geographical location (zaragoza, spain). the number of samples and the percentage contamination were as follows: wastewater 362, 67.4%, freshwater 523, 13.4%, raw food 607, 24.5% and cooked food 1134, 7.9%. yersinia enterocolitica was isolated significantly more frequently than other species in wastewater, w ... | 1994 | 7946129 |
| carriage of yersinia species by snails (achachatina marginata): an epidemiological survey. | three yersinia species yersinia enterocolitica, serogroup 0:9, yersinia intermedia, serogroup 0:52.54 and yersinia fredricksenii, serogroup 0:44.45 were experimentally inoculated into 249 giant african snails, achachatina marginata, and the rate of recovery, as well as change (loss or gain) in weight determined. results obtained showed that there was a high recovery rate of the inoculated yersinia serogroups. also, the snails showed loss in weight which increased with increase in recovery rate. ... | 1994 | 7954711 |
| evaluation of the pathogenicity and virulence of yersinia species isolated in edo and delta states of nigeria. | sixteen isolates of four species of yersinia comprising five of yersinia enterocolitica and yersinia fredricksenii, four of yersinia intermedia and two of yersinia kristensenii isolated from domestic and wild animals in villages in edo and delta states, nigeria, were evaluated for their pathogenicity using laboratory animal models and virulence characteristics tests which included autoagglutinability, calcium dependency for growth, heat-stable enterotoxin production and conjunctivities in guinea ... | 1993 | 8026357 |
| evaluation of rapid one system for identification of 379 strains in the family enterobacteriaceae and oxidase-negative, gram-negative nonfermenters. | the ability of the rapid one system (innovative diagnostic systems, inc., norcross, ga.) to identify 364 strains in the family enterobacteriaceae and 15 oxidase-negative, gram-negative, nonfermentative rods was evaluated. kits were inoculated with no. 2 mcfarland standard suspensions, and reactions were interpreted after 4 h of incubation at 35 degrees c. overall, the method correctly identified (to the species level or to the genus level for salmonellas and non-shigella sonnei shigella species) ... | 1994 | 8027345 |
| comparison of siderophore production and utilization in pathogenic and environmental isolates of yersinia enterocolitica. | yersinia enterocolitica strains of serotypes lethal to mice have been reported previously to produce an endogenous siderophore. in this study, an ethyl acetate-extractable siderophore was characterized and given the name yersiniophore. yersiniophore was produced by 16 of 16 human isolates of serotypes o:4, o:4,32, o:8, o:21, and one nonhuman isolate of serotype o:21. it was not produced by isolates of serotype o:3, o:5, or o:9. one strain of yersinia pseudotuberculosis produced yersiniophore, bu ... | 1994 | 8126201 |
| isolation of yersinia from raw meat (pork and chicken) and precooked meat (porcine tongues and sausages) collected from commercial establishments in mexico city. | a total of 160 meat product samples were collected from commercial outlets in mexico city to investigate the presence of different species of yersinia by the 4 degrees c enrichment method after 1, 3, 5, and 7 days of incubation using alkaline treatment and isolating in cefsulodin-irgasan-novobiocin and macconkey agars with tween 80. overall, yersinia spp. were isolated from 27% of the samples analyzed, whereas 40% of the raw and only 13% of the precooked samples were contaminated. although 2,970 ... | 2000 | 10772223 |
| arsenic and cadmium resistance in environmental isolates of yersinia enterocolitica and yersinia intermedia. | environmental strains of yersinia enterocolitica representing biotype 1a lack virulence plasmid (pyv) and are regarded as non-pathogenic. though these occupy a diverse range of environmental niches, nothing is known about their resistance to heavy metals. the minimal inhibitory concentrations (mics) of various metal ions, namely ag+, cu2+, zn2+, cd2+, as5+, and as3+, for strains of yersinia enterocolitica (biotype 1a) and yersinia intermedia (biotypes 1, 2, and 4), isolated from sewage effluents ... | 2000 | 10872084 |
| the isoelectric focusing patterns of beta-lactamases of yersinia intermedia isolates from aquatic environments. | | 2000 | 10980185 |
| outbreak of nosocomial infections due to extended-spectrum beta-lactamase-producing strains of enteric group 137, a new member of the family enterobacteriaceae closely related to citrobacter farmeri and citrobacter amalonaticus. | a member of the enterobacteriaceae initially identified as kluyvera cryocrescens by the microscan gram-negative combo 13 panel caused an outbreak of nosocomial infections in four patients (pneumonia, n = 2; urinary tract infection, n = 1; wound infection, n = 1) and urinary tract colonization in one patient. when the strains were tested by the enteric reference laboratory of the centers for disease control and prevention, biochemical results were most compatible with yersinia intermedia, kluyver ... | 2000 | 11060050 |
| yersinia enterocolitica biogroup 1a, serotype o:5 in chicken carcasses. | to evaluate the presence of yersinia enterocolitica in raw chicken, 70 samples of chicken carcasses were obtained from a buenos aires, argentina, processing plant. the detection of this psychotropic microorganism was carried out using the whole carcass rinse method and enrichment in phosphate-buffered saline, 0.067 m, ph 7.6, at 4 degrees c, followed by alkaline treatment and isolation on cefsulodin-irgasan-novobiocin nutrient agar. y. enterocolitica or related species were detected in 7 of 70 s ... | 2000 | 11079706 |
| isolation of a new insertion element of yersinia intermedia closely related to remnants of mobile genetic elements present on yersinia plasmids harboring the yop virulon. | a new insertion element present in two alleles, designated is1635.1 and is1635.2, was identified on a plasmid of a yersinia intermedia strain by hybridization with the yersinia enterocolitica pyv virulence plasmid. is1635.1 and is1635.2 are 861 bp long, carry imperfect inverted terminal repeats and possess a single open reading frame encoding a putative transposase of the is6 family. a truncated is1635 element is present immediately downstream of element is1635.2. the capacity of the is1635 elem ... | 2000 | 11094276 |
| role of yersinia intermedia and pseudomonas putida in the development of a fruity off-flavour in pasteurized milk. | analysis by gas chromatography-mass spectrometry of pasteurized milk with a fruity (pineapple like) off odour and a sour, rancid and soapy taste indicated the presence of concentrations at microg/ml levels of ethyl butanoate, ethyl hexanoate, ethyl octanoate, ethyl decanoate, octanoic acid, decanoic acid and dodecanoic acid. the off-odour and taste were attributed to the presence of these compounds in the milk. microbiological examination confirmed that the milk was also contaminated with a seri ... | 2000 | 11131069 |
| clinical features of patients with novel yersinia species. | our purpose was to describe the clinical features of patients with novel yersinia species. between 1985 and 1999; 194 patients had yersinia species isolated from stool specimens, 38 (20%) had non-yersinia enterocolitica species; 12 (32%) had yersinia intermedia, 7 (18%) yersinia fredericksenii, 3 (8%) yersinia kristensenii, and the remaining 16 (42%) were unclassified non-yersinia enterocolitica species. the most common presenting symptom was diarrhea alone in 10 (26.3%) patients. symptoms persi ... | 2002 | 12498305 |
| from pig to pacifier: chitterling-associated yersiniosis outbreak among black infants. | in this case-control study of yersinia enterocolitica infections among black infants, chitterling preparation was significantly associated with illness (p<0.001). of 13 samples of chitterlings tested, 2 were positive for yersinia intermedia and 5 for salmonella. decontamination of chitterlings before sale with methods such as irradiation should be strongly considered. | 2003 | 12967503 |
| production of yersinia stable toxin (yst) and distribution of yst genes in biotype 1a strains of yersinia enterocolitica. | two hundred and fifty nine isolates of yersinia enterocolitica and related species were examined for the production of heat-stable enterotoxin (yersinia stable toxin; yst) as well as for the prevalence of enterotoxin genes, viz. ysta, ystb and ystc. under the conventional conditions used for the production of y. enterocolitica enterotoxin, i.e. in tryptic soy broth (tsb) supplemented with yeast extract at 28 degrees c for 48 h, 77.7 % of clinical isolates and 62.3 % of swine isolates showed ente ... | 2004 | 15496381 |
| use of a culture-independent molecular method to study the ecology of yersinia spp. in food. | a culture-independent method for the direct detection in food of yersinia spp. was developed in this study. it is based on the amplification of a 359 bp pcr product from the rna polymerase beta-subunit gene (rpob) and subsequent analysis by denaturing gradient gel electrophoresis (dgge). direct detection of yersinia spp. by pcr-dgge was carried out in ready-to-eat vegetables and the results compared with the results of the traditional, culture-dependent method. the dgge profiles were determined ... | 2005 | 16085330 |
| yersiniophage phir1-37 is a tailed bacteriophage having a 270 kb dna genome with thymidine replaced by deoxyuridine. | bacteriophage pir1-37 was isolated based on its ability to infect strain yeo3-r1, a virulence-plasmid-cured o antigen-negative derivative of yersinia enterocolitica serotype o : 3. in this study, the phage receptor was found to be a structure in the outer core hexasaccharide of y. enterocolitica o : 3 lps. the phage receptor was present in the outer core of strains of many other y. enterocolitica serotypes, but also in some yersinia intermedia strains. surprisingly, the receptor structure reside ... | 2005 | 16339954 |
| genotyping of human and porcine yersinia enterocolitica, yersinia intermedia, and yersinia bercovieri strains from switzerland by amplified fragment length polymorphism analysis. | in this study, 231 strains of yersinia enterocolitica, 25 strains of y. intermedia, and 10 strains of y. bercovieri from human and porcine sources (including reference strains) were analyzed using amplified fragment length polymorphism (aflp), a whole-genome fingerprinting method for subtyping bacterial isolates. aflp typing distinguished the different yersinia species examined. representatives of y. enterocolitica biotypes 1a, 1b, 2, 3, and 4 belonged to biotype-related aflp clusters and were c ... | 2006 | 16751516 |
| a novel phytase with preferable characteristics from yersinia intermedia. | a yersinia intermedia strain producing phytase was isolated from glacier soil. the phytase gene, appa, was isolated by degenerate pcr and tail-pcr. the full-length fragment contained 2354bp with a 1326-bp open reading frame encoding 441 amino acids. appa contained the active site rhgxrxp and hd sequence motifs that are typical of histidine acid phosphatases. to our knowledge, this is the first report of the detection of phytase activity and cloning of the relevant gene from y. intermedia. the ge ... | 2006 | 17034758 |
| characteristics of beta-lactamases and their genes (blaa and blab) in yersinia intermedia and y. frederiksenii. | the presence of beta-lactamases in y. enterocolitica has been reported to vary with serovars, biovars and geographical origin of the isolates. an understanding of the beta-lactamases in other related species is important for an overall perception of antibiotic resistance in yersiniae. the objective of this work was to study the characteristics of beta-lactamases and their genes in strains of y. intermedia and y. frederiksenii, isolated from clinical and non-clinical sources in india. | 2007 | 17407578 |
| cdp-alcohol hydrolase, a very efficient activity of the 5'-nucleotidase/udp-sugar hydrolase encoded by the usha gene of yersinia intermedia and escherichia coli. | nucleoside 5'-diphosphate-x hydrolases are interesting enzymes to study due to their varied activities and structure-function relationships and the roles they play in the disposal, assimilation, and modulation of the effects of their substrates. few of these enzymes with a preference for cdp-alcohols are known. in yersinia intermedia suspensions prepared from cultures on columbia agar with 5% sheep blood, we found a cdp-alcohol hydrolase liberated to triton x-100-containing medium. growth at 25 ... | 2008 | 18641143 |
| syntheses of all stereoisomers of goniodiol from yeast-reduction products and their antimicrobiological activity. | all stereoisomers of goniodiol were synthesized from yeast-reduction products. the c-6 chiral centers were converted from the chiral centers of the yeast-reduction products. stereoselective conversion of the alkene, which had been prepared from the yeast-reduction product, to glycol constructed the c-7 and c-8 stereochemistry. (+)-goniodiol and 7-epi-(+)-goniodiol showed the highest antibacterial activity (mic, 3.1 mm) against yersinia intermedia. | 2008 | 18776681 |
| improvement of yersinia frederiksenii phytase performance by a single amino acid substitution. | a new phytase (appa) with optimum ph 2.5--substantially lower than that of most of microbial phytases (ph 4.5-6.0)--was cloned from yersinia frederiksenii and heterologously expressed in escherichia coli. containing the highly conserved motifs typical of histidine acid phosphatases, appa has the highest identity (84%) to the yersinia intermedia phytase (optimal ph 4.5), a member of histidine acid phosphatase family. based on sequence alignment and molecular modeling of appa and related phytases, ... | 2009 | 19378262 |
| characterization of atypical isolates of yersinia intermedia and definition of two new biotypes. | the species yersinia intermedia is a member of the genus yersinia which belongs to the enterobacteriaceae family. this species is divided into eight biotypes, according to brenner's biotyping scheme. this scheme relies on five tests (utilization of simmons citrate and acid production from d-melibiose, d-raffinose, alpha-methyl-d-glucoside [alphamg], and l-rhamnose). the collection of the french yersinia reference laboratory (institut pasteur, paris, france) contained 44 strains that were origina ... | 2009 | 19494062 |
| cloning, expression, and characterization of a new deoxyribose 5-phosphate aldolase from yersinia sp. ea015. | a new deoc gene encoding deoxyribose 5-phosphate aldolase (dera) was identified in yersinia sp. ea015 isolated from soil. the dera gene had an open reading frame (orf) of 672 base pairs encoding 223 amino acids to yield a protein of molecular mass 24.8 kda. the amino acid sequence was 94% identical to that of dera from yersinia intermedia atcc 29909. dera was over-expressed in escherichia coli and purified using ni-nta affinity chromatography. the specific activity was 137 micromol/min/mg. the m ... | 2009 | 19505577 |
| the detection of yersinia enterocolitica in surface water by quantitative pcr amplification of the ail and yada genes. | yersinia enterocolitica has been detected in surface water, and drinking untreated water is a risk factor for infection. pcr-based methods have been used to detect y. enterocolitica in various sample types, but quantitative studies have not been conducted in water. in this study, quantitative pcr (qpcr)-based methods targeting the yersinia virulence genes ail and yada were used to survey the grand river watershed in southern ontario, canada. initial testing of reference strains showed that ail a ... | 2010 | 20375478 |
| assessment of the microbiological safety of dried spices and herbs commercialized in spain. | spices and herbs are natural products or their blends that must be free of extraneous matter content. conventional production of these products implicates a number of hygienic problems so spices and herbs may be exposed to a wide range of microbial contamination during pre- and post-harvest and they can present high microbial counts. in this study, we have analyzed the microbial quality of 53 samples of spices and dry herbs collected from spanish markets detecting a contamination of samples of s ... | 2010 | 20848208 |
| diversity of bacteria associated with bursaphelenchus xylophilus and other nematodes isolated from pinus pinaster trees with pine wilt disease. | the pinewood nematode (pwn), bursaphelenchus xylophilus, has been thought to be the only causal agent of pine wilt disease (pwd), however, since bacteria have been suggested to play a role in pwd, it is important to know the diversity of the microbial community associated to it. this study aimed to assess the microbial community associated with b. xylophilus and with other nematodes isolated from pine trees, pinus pinaster, with pwd from three different affected forest areas in portugal. one hun ... | 2010 | 21151611 |
| prevalence of very low numbers of potential pathogenic isolates of yersiniaenterocolitica and yersinia intermedia in traditional fast foods of india. | in this study, an incidence pattern of 1.7% for yersiniaenterocolitica and 2.5% for y. intermedia were observed in an analysis of 120 diversified food samples collected from the local market of mysore, southern india. two native isolates characterized as y. enterocolitica belonged to biotype 1b and revealed the presence of major virulence related traits such as regulator of virulence, mucoid yersinia factor regulator, attachment invasion locus, heat stable enterotoxin, yersinia type ii secretory ... | 2011 | 23024408 |
| characterisation of the spoilage microbiota in raw salmon (salmo salar) steaks stored under vacuum or modified atmosphere packaging combining conventional methods and pcr-ttge. | in order to characterise the spoilage related to microbiota of raw salmon, a combination of culture-dependent and -independent methods, including pcr-ttge, was used to analyse 3 raw salmon batches stored for 3 days at chilled temperature in modified atmosphere packaging (map) (50% co₂/50% n₂) or under vacuum. sensory evaluation, microbiological enumeration and chemical analysis were performed after 3, 7 and 10 days of storage. at the onset of spoilage, 65 bacterial isolates were picked from the ... | 2011 | 22265297 |
| detection of yersinia spp. in meat products by enrichment culture, immunomagnetic separation and nested pcr. | the prevalence of yersinia enterocolitica in meat products was assessed by four methods: cold enrichment in trypticase soy broth (a), enrichment in modified rappaport broth at 25 °c (b), concentration by immunomagnetic separation (c) and yada nested pcr (d). furthermore, the pathogenic potentials of the isolates were established by phenotypic and genotypic tests, and their genomic relationships were determined by pulsed-field gel electrophoresis (pfge). a total of 238 samples were collected at r ... | 2011 | 22265296 |
| [testicular damage in elastorrhexis generalisata]. | | 2016 | 5031134 |
| [measurement of orthodontic appliance force using prototype sensors]. | in introductory remarks the most important biomechanical principles, which are relevant for the research, and conditions which must be satisfied presented in intraoral measuring of orthodontic forces were pointed out. first the aim of the research was defined, and then the investigation of mechanical properties of acrylics as a material for orthodontic appliances were carried out. the type of strain gauges, bonds and measuring system configurations, as well as measuring amplifiers and recording ... | 2008 | 2635572 |
| [plastic operations on the tricuspid valve in the surgical treatment of acquired multivalvular heart diseases]. | | 2013 | 3623209 |
| objectives to direct the training of emergency medicine residents on off-service rotations: orthopedics. | in this third article in a continuing series on objectives for emergency medicine training, orthopedic objectives are presented. orthopedic complaints are common in emergency medicine. direction in mastering evaluative, cognitive, and procedural skills are provided utilizing behaviorally based objectives and references. these objectives provide a structure for systematically learning the content of orthopedics through enlightened patient care, questioning of attending physicians and supervisors, ... | 2008 | 2362128 |
| minimal incision techniques for digital deformities. | we have presented basic minimal incision approaches to the more common digital deformities. we feel that with proper evaluation of the deformity and the patient, minimal incision surgery techniques give excellent long-term results with several advantages. these advantages include: less discomfort due to less surgical dissection. less need for internal fixation by careful use of compression dressings in the immediate postoperative period along with early ambulation. less disability. compression d ... | 2010 | 2937517 |
| electron transfer reactions in photosystem i following vitamin k1 depletion by ultraviolet irradiation. | photosystem i preparations were irradiated with uv to destroy vitamin k1 in situ. the depletion of vitamin k1 resulted in inactivation of nadp+ photoreduction and introduction of a approximately 220 ms component in the flash generated p700+ rereduction at room temperature. the photoreduction of the terminal fes centers fa and fb in control and vitamin k1-depleted preparations at 7 k were comparable. the data confirm that vitamin k1 is functionally implicated in primary electron transfer reaction ... | 2008 | 2546799 |
| [observing children - a forgotten part of the early recognition of developmental disorders]. | | 1999 | 91231 |
| comparison of fibrin networks in plasma and fibrinogen solution. | mass-length ratio of fibrin fibres (microt and microp) derived independently from turbidity and permeability respectively, in networks made in fibrinogen solution and plasma, have been compared under similar conditions of clotting. amount of fibrinogen conversion to fibrin was similar in both systems when high thrombin concentrations were used. but networks in plasma had significantly thicker fibres (higher microt and microp) than those in fibrinogen solution. this difference arises from differi ... | 2013 | 3660340 |
| quantitation of hormone replacement induced withdrawal bleeds. | | 2007 | 1847822 |