Table 2.

Recovery of cysts of competing Naegleriaspecies by filtration

Naegleria spp.Ratio of the 2 Naegleria speciesa% Recovery
N. fowleriN. lovaniensisN. australiensisTotal Naegleria
N. fowleri +N. lovaniensis62:38 (1:1)521342
64:36 (3:1)b 267673
78:22 (3:1)b 64549.5
84:16 (4:1)672565
89:11 (4:1)84075
Mean ± SD58.6 ± 21.7
N. fowleri + N. australiensis22:78 (1:1)b 84629.5
50:50 (1:1)502453
51:49 (1:1)b 51637
54:46 (1:1)324853
56:44 (1:1)651348
66:34 (1:1)b 333175
Mean ± SD52.5 ± 19.8
Mean recovery ± SD55.3 ± 19.823.8 ± 30.721.3 ± 16.454.5 ± 15.6
  • a The observed ratio and theoretical ratio (shown in parentheses) are given for each mixture of competingNaegleria species.

  • b Filtration performed during comparative experiments with centrifugation.