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  • Title: [Possibilities of obtaining, by passage on plantlets, reproduction forms (porospores) in strains of Alternaria (dematiaceous fungi) isolated from human cutaneous lesions and having lost the possibility of fructifying. Preliminary results].
    Author: Doby JM, Boisseau-Lebreuil MT.
    Journal: C R Seances Soc Biol Fil; 1983; 177(2):229-33. PubMed ID: 6224543.
    Abstract:
    Strains of Alternaria (Dematiaceous Hyphomycetes) isolated from lesions in men or animals generally lose quickly their ability to fructify (porospores forming) after their isolation and keeping up on artificial culture mediums classicaly used in medical diagnostic laboratories. The authors, from the fact that Alternaria are fungi which are normally parasites of living plants, put, on plantlets from germinating corn seeds (graminaceous plant) and lentil seeds (papilionaceous plant), two strains of Alternaria isolated from human cases of alternariosis which were diagnosed in their laboratory and which did not give porospores since delays reaching 14 months. They obtained, on corn plantlets, very numerous, normal and mature porospores, and on lentil plantlets, or nothing with the first strain, or very rare porospores with the second. This method, if results are confirmed by further experimentations, will be usefull for the specific determination for strains isolated from lesions and become infertile. The differences of behaviour of two strains, according the botanical family of plantlets used, come perhaps from the relative host specificity of the most numerous species of Alternaria.
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