TABLE 6.

Selected species of free-living pathogenic and nonpathogenic amebas available from the ATCCa

SpeciesATCC accession no.CommentsPathogenicity
A. castellanii 30010 Classic strain (Neff isolate)Nonpathogenic
A. castellanii 30011 Classic strain (Castellani isolate)Nonpathogenic
A. culbertsoni 30171 Tissue culture contaminantPathogenic
A. polyphaga 30461 Corneal isolate (Jones et al.)Pathogenic
N. fowleri 30174 Isolated from human CSF (HB, strain)Class III pathogen
N. gruberi 30133 Soil isolate (EG)Nonpathogenic
B. mandrillaris 50209 Original isolate from mandrill baboonClass III pathogen