Evaluation of the Indirect Fluorescent-Antibody Technique for Identification of Naegleria Species
AUTOR(ES)
De Jonckheere, J.
RESUMO
The indirect fluorescent-antibody technique was used to assess a rapid method for identification of amoebae belonging to the genus Naegleria. Thirty-eight Naegleria and eight other limax amoeba strains were examined by using one N. gruberi and two N. fowleri antisera. All pathogenic Naegleriae, most of which originated from fatal cases of primary amoebic meningo-encephalitis, were identified as belonging to the fowleri species. Most of the N. gruberi strains showed irregular fluorescence. Other limax amoebae, such as Vahlkampfia, Acanthamoeba, Hartmannella, and Schizopyrenus sp. gave negative responses with the prepared antisera. The indirect fluorescent-antibody technique allows the identification of N. fowleri in a mixed culture of both N. fowleri and N. gruberi strains. Twenty-two Naegleria isolated from a suspected stream, other surface waters, and muddy soil could be excluded from the fowleri species with the indirect fluorescent-antibody technique. The results obtained demonstrate that this immunological technique is a valid method for the rapid identification of N. fowleri trophozoites.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=186678Documentos Relacionados
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