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  • 1965-1969  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Exposure of mice to inhalation of pigmented conidia of Sporothrix schenckii (1969)
    Springer
    Mycopathologia 38 (1969), S. 1-6 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Resumen Se intentó la infección de lauchas mediante inhalación en aparato dePiggott &Emmons, con conidios pigmentados deSporothrix schenckii partiendo de maderas artificialmente contaminadas en el laboratorio. En una primera experiencia las maderas infectadas fueron colocadas en el fondo del aparato. No se logró infectar ninguno de los 14 animales inhalados. En una segunda experiencia las maderas fueron colocadas suspendidas dentro del matraz y además se introdujeron cristales de cloruro de calcio para disminuír la cantidad de vapor de agua. Se comprobó un mayor desprendimiento de esporos con relación a la experiencia preliminar y en dos de los 20 animales inhalados se logró cultivarS. schenckii a partir de pulmón en uno y de higado y bazo en otro. Se deduce la dificultad de infectar lauchas con conidios pigmentados del hongo por este procedimiento. Estos resultados concuerdan con la rareza de la puerta de entrada pulmonar en la esporotricosis.
    Notes: Summary We have tried to infect mice by inhalation with pigmented conidia ofSporothrix schenckii, in an apparatus ofPiggott &Emmons using pieces of wood artificially contaminated in the laboratory. In a first experiment the infected pieces of wood were placed in the bottom of the flask. We could not infect any of the exposed animals. In the second experiment the pieces of wood were suspended inside the flask and moreover, calcium chloride crystals were used to avoid humidity. A much higher liberation of spores was observed as comparing with the first experience. In two out of the 20 animals positive cultures ofS. schenckii were obtained from the lungs of one and from the liver and spleen of the other. We infer the difficulty in infecting mice with pigmented conidia of the pathogen by this procedure. It is presumed that these results agree with the rarity of the pulmonary forms in sporotrichosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02051670
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  • 2
    Electronic Resource
    Electronic Resource
    habitat de Nocardia asteroides, Phialophora pedrosoi y Cryptococcus neoformans en Venezuela (1968)
    Springer
    Mycopathologia 34 (1968), S. 144-154 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Es wurden 336 Erd-, Holz- und Pflanzenproben aus verschiedenen Gebieten des Staates Mérida/Venezuela und benachbarten Zonen untersucht. Das Material wurde Meerschweinchen intratestikulär und weissen Mäusen intravenös injiziert. Hoden und Lungen der Tiere wurden auf Nährböden verbracht und histologisch untersucht. Elfmal wurdeNocardia asteroides, sechsmalPhialophora pedrosoi und einmalCryptococcus neoformans isoliert und histologisch nachgewiesen. Es werden die möglichen Gründe diskutiert, warum es nicht gelangParacoccidioides brasiliensis zu isolieren.
    Abstract: Summary 336 samples of soil, wood and plants from several aereas of the State of Mérida/Venezuela and adjacent regions were studied. The samples were injected into the testes of guinea pigs and into mice intravenously. The testes and lungs of the animals respectively were cultured and examined histologically. From eleven samples were isolatedNocardia asteroides, from sixPhialophora pedrosoi and from oneCryptococcus neoformans. It is discussed, why it was not possible to isolateParacoccidioides brasiliensis.
    Notes: Resumen Se estudiaron 336 muestras de tierra, madera y plantas provenientes de diferentes zonas del Edo. Mérida/Venezuela y Estados vecinos. Fueron inoculados cobayos y hamsters intratesticularmente y ratones por via endovenosa. Testículos y pulmones respectivamente fueron examinados por medio de cultivos e histológicamente. De 11 muestras se aislaronNocardia asteroides, de 6Phialophora pedrosoi y de unaCryptococcus neoformans. Se discuten las probables causas de porqué no se logró aislarParacoccidioides brasiliensis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02051423
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    Paper (German National Licenses)
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