Five cases of primary amebic meningoencephalitis in Mexicali, Mexico: study of the isolates

Author:

Lares-Villa F1,De Jonckheere J F1,De Moura H1,Rechi-Iruretagoyena A1,Ferreira-Guerrero E1,Fernandez-Quintanilla G1,Ruiz-Matus C1,Visvesvara G S1

Affiliation:

1. Department of Microbiology, E.N.C.B., I.P.N., Carpio y Plan de Ayala, Col. Santo Tomás, Mexico, D.F.

Abstract

Five Naegleria strains isolated from patients with primary amebic meningoencephalitis and one strain isolated from the water of an artificial canal were investigated. All strains were pathogenic for mice when instilled intranasally and showed cytopathic effects in Vero cell cultures. Their growth characteristics (isolation and subculture at 45 degrees C), serological results, and isoenzyme patterns permitted us to identify the six strains as Naegleria fowleri. This is the first time that Naegleria fowleri has been isolated from patients with primary amebic meningoencephalitis in Mexico.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference21 articles.

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2. Naegleria australiensis sp. nov., another pathogenic Naegleria from water;De Jonckheere J. F.;Protistologica,1981

3. Pathogenic and nonpathogenicAcanthamoeba spp. in thermal polluted discharges and surface waters;De Jonckheere J. F.;J. Protozool.,1981

4. Isoenzyme patterns of pathogenic and nonpathogenic Naegleria spp. using agarose isoelectric focusing;De Jonckheere J. F.;Ann. Microbiol. (Inst. Pasteur),1982

5. Appearance of pathogenic Naegleria fowleri (Amoebida, Vahlkampfiidae) in artificially heated water of a fish farm;De Jonckheere J. F.;Aquaculture,1983

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