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  • Title: Evaluation of commercial reagents to identify the exoantigens of Blastomyces dermatitidis, Coccidioides immitis, and Histoplasma species cultures.
    Author: Sekhon AS, DiSalvo AF, Standard PG, Kaufman L, Terreni AA, Garg AK.
    Journal: Am J Clin Pathol; 1984 Aug; 82(2):206-9. PubMed ID: 6465085.
    Abstract:
    Commercially available individual serologic reagents (Nolan/Scott Biological Laboratories, Inc.) and an "exoantigen identification system" (a kit supplied by Immuno-Mycologics, Inc.) were evaluated at two laboratories for their possible application in the microimmunodiffusion test to identify Blastomyces dermatitidis, Coccidioides immitis, and Histoplasma species. Both laboratories accurately identified all the cultures, and comparison of the results obtained with the commercial products and those established with the conventional methods performed by a third control laboratory demonstrated full agreement. The use of these two commercial products is recommended for the immunologic identification of cultures suspected of being B. dermatitidis, C. immitis, and Histoplasma species. It was observed, however, that the exoantigen reactions for four B. dermatitidis and two C. immitis isolates were much sharper and more readable with the individual reagents than the reactions observed with the kit.
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