Table 11.
Infectivity of low numbers of Type III (VEG, TgGoatUS4) and Type II (ME 49, TgNmBrl) strains of Toxoplasma gondii oocyst to mice
|
T. gondii strain (Type) |
Dose | No. of mice |
Mouse strains | ||||||
|---|---|---|---|---|---|---|---|---|---|
| SW | KO | HLA 3.11 |
HLA 2.1 |
HLA B7 |
C57/ Black |
BALB/c | |||
| ME 49 (II) |
100 | 25 | 25/0 (618)a |
25/25 NA |
25/25 NA |
25/21 (304) |
25/18 (128) |
23/2 (236) |
23/1 (126) |
| TgNmBr1 TypeII |
1000 | 10 | 10/0 (526) |
10/10 NA |
10/2 (785) |
10/1 (686) |
10/0 (300) |
10/0 (526) |
ND |
| TgGoatUS4 (Atypical) |
1000 | 10 | 10/1 (457) |
10/10 NA |
10/10 NA |
10/10 NA |
10/0 (364) |
9/0 (50) |
ND |
a
=No. of mice T. gondii infected/no. died (average no. of tissue cysts)
b
ND=not done, NA=not applicable, mice died.