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a case of pseudo-lupus vulgaris caused by a blastomyces.the case reported, in this article is one of a somewhat extensive cutaneous disease, which occurred in a man, 33 years of age, who gave the following history: the disease first made its appearance, eleven and a half years ago, at the back of the left ear, as a pimple which soon became pustular. the process extended forward, very slowly and gradually encroached upon and covered almost the entire face, the central portion of which now presents an atrophic cicatricial condition. another similar les ...189819866867
factors influencing the morphology of blastomyces dermatitidis. 194620277152
factors influencing the morphology of blastomyces dermatitidis. 194616561236
the action of streptothricin and other antibiotic agents on blastomyces dermatitidis infections of the chick embryo. 194620278387
ethylene as a metabolic product of the pathogenic fungus, blastomyces dermatitidis. 194818860050
the nuclear cytology of blastomyces dermatitidis. 194818887832
the effect of fatty acids on the oxygen uptake of blastomyces dermatitidis. 194918108884
studies on the physiological bases of morphogenesis in fungi; the respiratory metabolism of dimorphic pathogenic fungi.the interconversions of mycelial and yeast-like forms (m right harpoon over left harpoon y) in blastomyces dermatitidis and in blastomyces brasiliensis are characterized as examples of thermal dimorphism since the phenomena are apparently dependent only on the temperature of incubation of these two species. the change in morphology consequent upon y --> m conversion is considered to result from the selective inhibition of cell division, without the simultaneous inhibition of growth. such selecti ...194918139007
unusual forms of blastomyces dermatitidis in human tissues. 194918143918
the effect of fatty acids on the oxygen uptake of blastomyces dermatitidis. 194916561655
rough-smooth variation in blastomyces dermatitidis gilchrist and stokes 1898. 194918110580
studies on the metabolism of blastomyces dermatitidis. i. the effect of various substances on respiration. 195014774354
studies on the metabolism of blastomyces dermatitidis. ii. the effect of ph on respiration. 195014774355
[differential characteristics of paracoccidioides brasiliensis and blastomyces dermatitidis in tissues; utility of staining with best's carmine]. 195015425851
[study of the membrane of blastomyces dermatitidis and paracoccidioides brasiliensis in yeast-like cultures]. 195015425858
the metabolism of blastomyces dermatitidis, antagonists to the growth-inhibiting effect of trimeton maleate. 195114854885
blastomycosis of the external auditory canal (blastomyces dermatitidis). 195114810305
the effect of beta-propiolactone on the metabolism of blastomyces dermatitidis. 195313069412
serologic studies on north american blastomycosis; studies with soluble antigens from untreated and sonic-treated yeast-phase cells of blastomyces dermatitidis. 195313096758
small forms of blastomyces dermatitidis in human tissues. 195313039691
the effect of stilbamidine and propamidine on the oxidative metabolism of blastomyces dermatitidis. 195313117786
dual infection with blastomyces dermatitidis and histoplasma capsulatum; report of a fatal case in man. 195313092062
skin test antigens from yeast phase cultures of blastomyces dermatitidis and histoplasma capsulatum. 195413157247
effect of stilbamidine therapy on experimental blastomyces dermatitidis infections in mice. 195413163497
[gilchrist's disease in venezuela; first case; clinical study; histological confirmation; isolation and determination of the first south american strain of blastomyces dermatitidis]. 195413246227
[gilchrist & stokes 1898 blastomyces dermatitidis in venezuela; preliminary note]. 195414366079
the effect of pyribenzamine on the metabolism of blastomyces dermatitidis. 195424542872
delayed hypersensitivity in experimental fungus infections: the skin reactivity of antigens from the yeast phase of blastomyces dermatitidis. 195514367937
the in vitro sensitivity of blastomyces dermatitidis to six diamidine derivatives. 195514367938
biotin as a growth requirement for blastomyces dermatitidis. 195513263317
studies with blastomyces dermatitidis growth inhibitors. 195514360766
the fungistatic action of stilbamidine and 2-hydroxystilbamidine against histoplasma capsulatum as compared to blastomyces dermatitidis. 195613370719
the structure and mode of division of the nuclei in the yeast cells and mycelium of blastomyces dermatitidis. 195713472518
polysaccharide skin test antigens derived from histoplasma capsulatum and blastomyces dermatitidis. 195813533816
inhibition of histoplasma capsulatum and blastomyces dermatitidis by pseudomonas aeruginosa in vitro. 195913821877
histoplasma capsulatum and blastomyces dermatitidis polysaccharide skin tests on humans. 195914410129
tissue cultures of mouse peritoneal exudates inoculated with blastomyces dermatitidis. 196013716206
isolation of blastomyces dermatitidis from soil.through the intravenous inoculation of soil suspensions in the tail vein of mice, blastomyces dermatitidis was recovered from a lexington, kentucky, soil sample. the positive specimen was collected in a tobacco-stripping barn. the shed had sheltered a dog that died of blastomycosis 2 years before the sample was collected.196113721936
[a case of cutaneous blastomycosis caused by blastomyces dermatitidis]. 196113884988
preparation of a fluorescent antibody specific for the yeast phase of histoplasma capsulatum.kaufman, leo (communicable disease center, atlanta, ga.) and william kaplan. preparation of a fluorescent antibody specific for the yeast phase of histoplasma capsulatum. j. bacteriol. 82:729-735. 1961.-rabbit anti-histoplasma capsulatum globulin was conjugated with fluorescein isothiocyanate. this labeled antibody, in addition to staining six strains of h. capsulatum, exhibited strong cross-staining with ten strains of blastomyces dermatitidis and numerous other species of fungi. adsorption of ...196114454457
[evolutive infection and latent infection in guinea pigs caused by "blastomyces dermatitidis" conditioned to the environmental temperature]. 196113880996
effect of vaccines prepared from histoplasma capsulatum and other yeasts on experimental tuberculosis.hedgecock, loyd w. (veterans administration hospital, kansas city, mo.). effect of vaccines prepared from histoplasma capsulatum and other yeasts on experimental tuberculosis. j. bacteriol. 82:115-123. 1961.-resistance to experimental tuberculosis was enhanced by the injection of a nonviable vaccine prepared from histoplasma capsulatum in the mycelial phase but not by the organism in the yeast phase. acquired resistance was established within 7 days or less and usually maintained for at least 29 ...196113712699
skin sensitivity of human beings to histoplasma capsulatum and blastomyces dermatitidis polysaccharide antigens. 196113725815
simultaneous infection in man by histoplasma capsulatum and blastomyces dermatitidis. 196213860615
nutritional studies on the yeast phase of blastomyces dermatitidis and b. brasiliensis.gilardi, gerald l. (university of maryland, college park) and norman c. laffer. nutritional studies on the yeast phase of blastomyces dermatitidis and b. brasiliensis. j. bacteriol. 83:219-227. 1962.-nutritional characteristics of the yeast phase of 22 cultures of the genus blastomyces (9 of b. brasiliensis and 13 of b. dermatitidis) were examined to see if differences in nutritional behavior occurred which could serve as an aid in a more definitive classification. the studies included vitamin a ...196213898529
urease activity in cultures and extracts of blastomyces dermatitidis. 196213993607
quantitative studies of total lipids of pathogenic fungi.ten species of dermatophytes and four of the systemic fungi were assayed for total lipids, acetone-soluble fraction, and phospholipid content in different types of cultures. the yeast phase of each of the systemic fungi grown on solid medium exhibited a higher total lipid content than did the mycelial growth in liquid medium, either shake or still. shake cultures, in all the fungi tested, produced the least lipids. the yeasts were consistently higher also in the acetone-soluble fraction. histopl ...196216349622
rapid quantitative method for measuring the sensitivity of blastomyces dermatitidis to fungistatic agents.guidry, d. j. (louisiana state university school of medicine, new orleans) and findlay maier. rapid quantitative method for measuring the sensitivity of blastomyces dermatitidis to fungistatic agents. j. bacteriol. 85:504-508. 1963.-isolates of blastomyces dermatitidis (yeast phase) were grown in continuous shake liquid culture. when sufficient cells were added to impart an initial optical density of 0.100 to the inoculated medium, growth was rapid, and the time required to assay fungistatic age ...196314042924
effects of temperature on soil conidia of blastomyces dermatitidis. 196314042956
disinfection of aerosolized pathogenic fungi on laboratory surfaces. i. tissue phase.the effect of several fungicides on laboratory surfaces contaminated with the tissue phase of aerosolized blastomyces dermatitidis, coccidioides immitis, cryptococcus neoformans, and histoplasma capsulatum was ascertained. a statistical analysis of the data shows the correlation between fungi, surfaces, time, and concentration of disinfectant. all fungicides were effective at established times and concentrations, and the type of contaminated surface affected the fungicidal efficacy. by interpola ...196314063788
serological characterization of pathogenic fungi by means of fluorescent antibodies. i. antigenic relationships between yeast and mycelial forms of histoplasma capsulatum and blastomyces dermatitidis.kaufman, leo (communicable disease center, atlanta, ga.) and william kaplan. serological characterization of pathogenic fungi by means of fluorescent antibodies. i. antigenic relationships between yeast and mycelial forms of histoplasma capsulatum and blastomyces dermatitidis. j. bacteriol. 85:986-991. 1963.-four antiglobulins prepared against the yeast and mycelial forms of histoplasma capsulatum and blastomyces dermatitidis were labeled with fluorescein isothiocyanate. cross-staining and adsor ...196314044028
lipid content of four strains of blastomyces dermatitidis of different mouse virulence.di salvo, arthur f. (medical college of georgia, augusta) and j. fred denton. lipid content of four strains of blastomyces dermatitidis of different mouse virulence. j. bacteriol. 85:927-931. 1963.-four strains of blastomyces dermatitidis showing marked differences in virulence for mice were studied to determine whether there was any relationship between lipid content and virulence. replicate samples of heat-killed yeast and mycelial cells, after rupturing by grinding, were extracted with a chlo ...196314044964
specific fluorescent antiglobulins for the detection and identification of blastomyces dermatitidis yeast-phase cells. 196314045072
concurrent infection with histoplasma capsulatum and blastomyces dermatitidis. 196414110032
the demonstration of growth stimulating substances for histoplasma capsulatum and blastomyces dermatitidis in infusions of starling (sturnis vulgaris) manure. 196414121484
comparison of the pathogenicity of the yeast and mycelial phases of blastomyces dermatitidis. 196414125886
a rapid, simplified medium for converting the mycelial phase of blastomyces dermatitidis to the yeast phase. 196414161179
ii. evidence of the presence in yeast extract of substances which stimulate the growth of histoplasma capsulatum and blastomyces dermatitidis similarly to that found in starling manure extract. 196414161193
isolation of blastomyces dermatitidis from natural sites at augusta, georgia. 196414205892
enhanced toxicity in chemically altered blastomyces dermatitidis. 196414127593
disinfection of aerosolized pathogenic fungi on laboratory surfaces. ii. culture phase.the effect of several fungicides on laboratory surfaces contaminated with the culture (spore) phase of aerosolized blastomyces dermatitidis, coccidioides immitis, and histoplasma capsulatum was ascertained. the culture (spore) phase was more resistant to the action of the fungicides than was the tissue (yeast) phase. the addition of a wetting agent increased the efficiency of several fungicides. the time required for disinfection with a given concentration of fungicide, or the concentration requ ...196414131365
cross reactions to blastomyces dermatitidis in mice. 196414245652
correlation of fluorescent antibody, histopathology, and culture on tissues from 372 animals examined for histoplasmosis and blastomycosis.porter, billie m. (communicable disease center, kansas city, kan.), barbara k. comfort, robert w. menges, robert t. habermann, and coy d. smith. correlation of fluorescent antibody, histopathology, and culture on tissues from 372 animals examined for histoplasmosis and blastomycosis. j. bacteriol. 89:748-751. 1965.-in a survey in the midwestern united states, tissues from 372 animals including 16 species were examined for histoplasma capsulatum and blastomyces dermatitidis. all of the specimens ...196514273656
lysis of blastomyces dermatitidis yeast-phase cells in natural soil. 196514246084
a comparison of the relative suceptibilities of laboratory animals to infection with the mycelial phase of blastomyces dermatitidis. 19665977761
occurrence of serotypes among histoplasma capsulatum strains.kaufman, leo (communicable disease center, atlanta, ga.), and sharon blumer. occurrence of serotypes among histoplasma capsulatum strains. j. bacteriol. 91:1434-1439. 1966.-extensive studies with a fluorescent antibody specific for the yeast form of histoplasma capsulatum indicated that, although most strains of h. capsulatum stained intensely, others stained weakly and some did not stain. these observations suggested that antigenic variants of the fungus existed. to test this hypothesis, recipr ...19665326107
diagnostic possibilities of utilizing precipitation in agar for the identification of histoplasma capsulatum, coccidioides immitis, blastomyces dermatitidis and paracoccidioides brasiliensis. 19665950913
blastomyces dermatitidis: production of the sexual stage.growth of five combinations of strains of blastomyces dermatitidis in paired cultures on yeast-extract agar, plus bone meal, yielded the perfect stage for the first time. these cleistothecia, apparently of a new genus, produced eight spored asci. monoascospore cultures developed hyphae and conidia typical of b. dermatitidis. mice were successfully infected with inocula from a monoascospore culture.19676021679
cell wall changes during the budding process of paracoccidioides brasiliensis and blastomyces dermatitidis.the difference between the budding process of paracoccidioides brasiliensis and blastomyces dermatitidis is reported herein. a characteristic feature in p. brasiliensis is that the optical density of the cell wall increases at the site where budding begins and at the neck of the dividing cell, whereas b. dermatitidis does not undergo this alteration. the neck which is formed between the mother and daughter cell at the site of division is much wider in b. dermatitidis than in p. brasiliensis. the ...19676027991
endogenous mycotic panophthalmitis caused by blastomyces dermatitidis. report of a case and a review of the literature. 19676019015
experimental infection of bats (tadarida brasiliensis) with blastomyces dermatitidis. 19676025762
effect of continuous and intermittent elevated temperatures on the in vitro growth of blastomyces dermatitidis. 19676036224
serological response of rhesus monkeys to histoplasma, blastomyces, and coccidioides antigens.fifteen adult rhesus monkeys were inoculated with nonviable histoplasma capsulatum, blastomyces dermatitidis, or coccidioides immitis. antibody assays were made periodically during a 2-year period by use of a complement-fixation (cf) test employing four antigens and a latex-agglutination test. selected sera were also studied in an immunodiffusion test and a coccidioidin-precipitin test. the serological patterns obtained with the anti-histoplasma, anti-blastomyces, and anti-coccidioides monkey se ...19674961413
cytolytic plasma factor in experimental coccidioidomycosis.peripheral blood leukocytes from guinea pigs infected with coccidioides immitis 5 weeks previously were lysed significantly when incubated at 37 c for 3.5 hr with a concentrated c. immitis culture filtrate, but not with a concentrated aspergillus fumigatus or blastomyces dermatitidis culture filtrate. mononuclear leukocytes and presumably granulocytes were both lysed. characterization of the factor responsible for this leukocytolysis reaction revealed that it was contained in plasma and serum bu ...19674963788
the susceptibility of blastomyces dermatitidis to drying. 19675338714
blastomyces dermatitidis infection in the congo. report of a second autochthonous case. 19685637024
the ascigerous stage of blastomyces dermatitidis. 19685644961
respiratory infection of laboratory animals with conidia of blastomyces dermatitidis. 19685700465
[1st case of blastomycosis due to blastomyces dermatitidis observed in mozambique. cure by amphotericin b]. 19685755458
mycelial phase of paracoccidioides brasiliensis and blastomyces dermatitidis: an electron microscope study.a comparative study of the mycelial phase of paracoccidioides brasiliensis and blastomyces dermatitidis reveals that both fungi are very much alike, containing multiple nuclei and nuclear pores, mitochondria, ribosomes, scarce endoplasmic reticulum, intracytoplasmic membrane systems, glycogen, and vacuoles. shadowed cell walls show fine fibrillar surfaces that contrast with those in the yeast phase. the intracytoplasmic membrane system is continuous with the plasma membrane and is similar to bac ...19685674059
[blastomycosis caused by blastomyces dermatitidis. its existence in africa]. 19685758395
development and use of a polyvalent conjugate to differentiate histoplasma capsulatum and histoplasma duboisii from other pathogens.previous investigations have demonstrated the existence of five histoplasma capsulatum serotypes. available specific fluorescent-antibody reagents stain only four of the five serotypes. antibodies produced against the most complete h. capsulatum serotype were labeled with fluorescein isothiocyanate to develop a reagent specific for h. capsulatum that was reactive with all the known serotypes. the unadsorbed reagent not only stained all the h. capsulatum serotypes, but it also stained cultures of ...19684869210
in vitro and in vivo activity of hamycin against blastomyces dermatitidis.clinical responses of patients with blastomycosis to treatment with hamycin have been variable. an explanation for this was sought in a series of studies in which in vitro and in vivo susceptibilities to hamycin of five strains of blastomyces dermatitidis were compared. minimal inhibitory concentrations of hamycin for the five strains indicated uniformly high levels of in vitro susceptibility (0.008 to 0.016 mug/ml). in vivo activity was measured in infected mice treated intraperitoneally for a ...19695773006
cell wall composition of the yeast and mycelial forms of paracoccidioides brasiliensis.isolation and chemical analyses of the cell walls of the yeast (y form) and mycelial forms (m form) of paracoccidioides brasiliensis and blastomyces dermatitidis revealed that their chemical composition is similar and depends on the form. lipids, chitin, glucans, and proteins are the main constituents of the cell walls of both forms of these fungi. there is no significant difference in the amount of lipids (5 to 10%) and glucans (36 to 47%) contained by the two forms. in both fungi, the y form h ...19695776517
systemic antifungal activity of pyrrolnitrin.the antifungal activity of pyrrolnitrin, previously shown to be effective against superficial infections, was evaluated against experimental systemic mycoses. pyrrolnitrin was inhibitory in vitro at <0.78 to 100 mug/ml to candida albicans, cryptococcus neoformans, blastomyces dermatitidis, sporotrichum schenckii, and histoplasma capsulatum. pyrrolnitrin activity was reduced about 90% in sera. after multiple subcutaneous doses of pyrrolnitrin at 20 mg/kg, activity was recovered in mouse blood and ...19695785951
[fungistatic and fungicidal effect of phenol, lysol and formaldehyde on the fungi coccidioides immitis 7-86, histoplasma capsulatum 6652, and blastomyces dermatitidis 6064]. 19695787564
protoplasts of systemic dimorphic fungal pathogens: histoplasma capsulatum and blastomyces dermatitidis. 19695768613
[antigenic study of agents causing deep fungal infections by comparative analysis of culture media. i. histoplasma capsulatum and h. duboisii. relationship with h. farciminosum, gymnoascus demonbreunii, blastomyces dermatitidis and paracoccidioides brasiliensis]. 19695371826
blastomyces dermatitidis meningoencephalitis in a dog. 19695388553
extracellular enzymes of blastomyces dermatitidis. 19694313407
filamentous forms of blastomyces dermatitidis in mouse lung. light and electron microscopy. 19705418299
comparison of infection of laboratory animals with blastomyces dermatitidis using different routes of inoculation. 19705418318
electronmicroscopy of self-parasitism by histoplasma capsulatum and blastomyces dermatitidis. 19705470550
susceptibility of laboratory animals to blastomyces dermatitidis using different routes of inoculation. 19705496705
blastomycosis-epidemiology and biology of its etiologic agent ajellomyces dermatitidis. 19705535368
ultrastructural changes during the yeastlike to mycelial-phase conversion of blastomyces dermatitidis and histoplasma capsulatum.fine details of the sequential anatomical events occurring during yeast to mold morphogenesis of the dimorphic fungal pathogens blastomyces dermatitidis and histoplasma capsulatum as seen in ultrathin sections are described and illustrated by electron micrographs. discrete intracytoplasmic membrane systems intimately associated with the plasma membrane were observed to be formed within 6 to 8 hr after induction of the conversion process. within 12 to 18 hr, an intermediate or transitional cell w ...19705413831
comparison of macrocomplement and microcomplement fixation techniques used in fungus serology.a comparative evaluation was performed on the micro- and macrocomplement fixation (cf) tests that are used as standard procedures in the serodiagnosis of blastomycosis, coccidioidomycosis, and histoplasmosis. tests with 937 sera from suspected and culturally proven cases of these diseases against yeast-form antigens of blastomyces dermatitidis and histoplasma capsulatum and against the soluble antigens, coccidioidin and histoplasmin, revealed that the microtiters were within +/- 1 dilution of th ...19705498606
evaluation of systemic antifungal agents in x-irradiated mice.the effect of x irradiation on the survival time of animals experimentally infected with pathogenic fungi was studied, and the activity of antifungal agents in pre-irradiated hosts was evaluated. a 24-hr preinfection dose of x irradiation decreased the survival time of mice infected with cryptococcus neoformans and histoplasma capsulatum to a greater extent than candida albicans or blastomyces dermatitidis infections. exposure to 400 r caused a significant reduction in the variation (s(2)) survi ...19705498613
cell wall composition of the yeastlike and mycelial forms of blastomyces dermatitidis.the thermally induced changes in the cell wall polysaccharides of blastomyces dermatitidis strain bd64, which produces a yeastlike form (y form) at 37 c and a mycelial form (m form) at 20 c, were examined. the cell walls of the y and m forms contained 36 and 51% of hexoses, respectively. the m-form cell wall contained glucose, galactose, and mannose in a molar ratio of 1:0.1:0.2. the y-form cell wall contained mainly glucose and a very small amount of galactose and mannose. the glucans of the ce ...19715557599
in vitro antifungal activity of clotrimazole (bay b 5097).the in vitro antifungal activity of clotrimazole (bay b 5097) was compared with those of amphotericin b, griseofulvin, nystatin, and pyrrolnitrin. the inhibitory activity of clotrimazole against most systemic pathogens was comparable to that of amphotericin b; minimal inhibitory concentrations of the two drugs for blastomyces dermatitidis, histoplasma capsulatum, sporothrix schenckii, cryptococcus neoformans, and coccidioides immitis were in the range of 0.20 to 3.13 and 0.10 to 6.25 mug/ml, res ...19714949484
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