Development and evaluation of agglutination and fluorescent antibody procedures for the identification ofCryptococcus neoformans
- 1 January 1965
- journal article
- Published by Oxford University Press (OUP) in Medical Mycology
- Vol. 4 (2) , 57-64
- https://doi.org/10.1080/00362176685190171
Abstract
Specific agglutinins and fluorescent antibodies were produced against Cryptococcus neoformans by adsorbing C. neoformans antibodies with cells of C. neoformans var. uniguttulatus, Candida albicans, and Candida curvata. Cross reactions and adsorption data revealed that C. neoformans, the saprophytic cryptococci and several species of Candida possessed common antigens. The agglutination test showed excellent sensitivity and was effective for the rapid and accurate identification of C. neoformans. The fluorescent antibody test was less sensitive and of limited value. The value of these findings, both from a diagnostic and taxonomic viewpoint, is discussed. Durch Absättigung mit Cryptococcus neoformans, var. uniguttulatus-, Candida albicans- und Candida curvata-Zellen wurden spezifisch reagierende, agglutinierende und fluoreszierende Antikörper gegen Cryptococcus neoformans erhalten. Kreuzreaktionen und Absorptionsbefunde offenbarten Antigen-gemeinschaften zwischen C. neoformans, saprophytischen Cryptococcen und mehreren Candida-Arten. Der Agglutinations—test zeigte eine ausgezeichnete Empfindlichkeit und erlaubte eine rasche und sichere Identifizierung von C. neoformans. Der Fluoreszenz-Test mit fluorochromierten Antikörpern war weniger empfindlich und von begrenztem Wert. Die Bedeutung der Befunde wird im Hinblick auf die Diagnostik und Taxonomie diskutiert.Keywords
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