Table 2.
Culture of A. fumigatus from Lung Tissue after Intratracheal Administration of Conidia to X-CGD and Wild-type Mice*
Conidia dose | Duration of study (days after conidia challenge) | Wild-type mice | X-CGD mice | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Mean cfu‡/lung | Range | Mean cfu‡/lung | Range | |||||||
100,000 | 3–4 | 35 | 0–128 (n = 6) | 22,000 | 2,000–40,000 (n = 4) | |||||
7,000 | 3–9 | Not done | 8,500 | 400–16,000 (n = 5) | ||||||
1,000 | 7–11 | 100 | 0–200 (n = 2) | 3,800 | 200–12,000 (n = 8) | |||||
540 | 8–11 | 0 | n/a (n = 3) | 870 | 60–4,000 (n = 5) | |||||
48 | 4–21 | Not done | 225 | 0–680 (n = 5) |
Lungs were homogenized in 1 ml PBS per lung and serial dilutions were plated on Sabouraud's media in triplicate. Colonies were counted from plates containing 10–50 colonies.
cfu detected by plate culture.