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A comparison of some Ceratocystis species with sporothrix schenckii

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Abstract

Sympodulosporogenous states ofC. minor, C. montia, C. multiannulata, C. narcissi, C. nigrocarpa, C. perparvispora andC. pilifera were compared with typical and atypical strains ofS. schenckii from the aspects of some culture, morphological, serological characteristics, and mouse virulence. With a possible exception, all the former characteristics demonstrated among theCeratocystis species were either the same as, or varied in the same way as those observed amongS. schenckii strains. None of the former hydrolyzed starch, although all of the latter did. All species and strains cross reacted serologically in agglutination and Arthus-rype reactions, and produced similar gross pathological signs when injected with gastric mucin intraperitoneally into mice. Except for some variations in sizes and shapes of sympodulospores and of yeast-like budding forms observed in tissue smears and in cultures incubated at 37°C, theCeratocystis species were not significantly different from typical strains ofS. schenckii.

Zusammenfassung

Der sympodulosporogene Zustand vonC. minor, C. montia, C. multiannulata, C. narcissi, C. nigrocarpa, C. perparvispora undC. pilifera wurde mit typischen und atypischen Stämmen vonS. schenckii betreffs kultureller, morphologischer, serologischer Charakteristik und auf Virulenz für Mäuse untersucht. Mit einer möglichen Ausnahme waren alle Charakteristiken unter denCeratocystis-Arten dieselben oder sie wechselten wie diejenigen unter den Stämmen vonS. schenckii. Keine Stämme derCeratocystis hydrolysierten Stärke, während die Stämme vonS. schenckii getan haben. Alle die Arten und Stämme zeigten Kreuzreaktionen serologisch und in der Arthus-reaktion und zeigten dieselben groß-pathologischen Veränderungen nach intraperitonealen Injektionen mit Magenmuzin in der Maus. Außer etlicher Abwechslungen in Größe und Gestalt der Sympodulosporen und der hefe-ähnlichen Keimung, die in Gewebeausstrichen und in Kulturen bei 37°C beobachtet worden sind, waren dieCeratocystis-Arten nicht wesentlich unterschiedlich von typischen Stämmen vonS. schenckii.

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Authors and Affiliations

  1. University of Montana, Missoula, Montana, U.S.A.

    J. J. Taylor

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  1. J. J. Taylor
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Additional information

The author, Dr.R. W. Davidson (Colorado State University, Ft. Collins, Colorado), and Dr.F. Mariat (Institut Pasteur, Paris) have, in collaboration, identified the ascigerous state ofSporothrix schenckii strain G-118 isolated by the latter to beCeratocystis stenoceras (Robak)C. Moreau.

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Taylor, J.J. A comparison of some Ceratocystis species with sporothrix schenckii. Mycopathologia et Mycologia Applicata 42, 233–240 (1970). https://doi.org/10.1007/BF02051951

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  • DOI: https://doi.org/10.1007/BF02051951

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