TABLE 6.

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

SpeciesATCC accession no.CommentsPathogenicity
A. castellanii30010Classic strain (Neff isolate)Nonpathogenic
A. castellanii30011Classic strain (Castellani isolate)Nonpathogenic
A. culbertsoni30171Tissue culture contaminantPathogenic
A. polyphaga30461Corneal isolate (Jones et al.)Pathogenic
N. fowleri30174Isolated from human CSF (HB, strain)Class III pathogen
N. gruberi30133Soil isolate (EG)Nonpathogenic
B. mandrillaris50209Original isolate from mandrill baboonClass III pathogen