TABLE 3.
Effect of FCZ on permeation of C. albicans cells
Populationa | MPC (μg of FCZ/ml) | % Permeated cellsb |
---|---|---|
Planktonic JK21 cells | 128 | 11 |
Planktonic Ca30 cellsc | 1 | 95 |
Planktonic CaI4 cellsc | 1 | 94 |
Adherent Ca30 cellsc | 128 | 50 |
Adherent CaI4 cellsc | 128 | 48 |
24-h Ca30 biofilmsc | 128 | 43 |
24-h CaI4 biofilmsc | 128 | 39 |
Detached Ca30 cells | 4 | 91 |
Detached CaI4 cells | 4-8 | 92 |
24-h daughter Ca30 cells | 2 | 98 |
24-h daughter CaI4 cells | 2 | 96 |
24-h planktonic Ca30 cells | 1-2 | 94 |
24-h planktonic CaI4 cells | 2 | 96 |
48-h daughter Ca30 cells | 1-2 | 96 |
48-h daughter CaI4 cells | 2-4 | 91 |
48-h planktonic Ca30 cells | 1-2 | 90 |
48-h planktonic CaI4 cells | 4 | 94 |
The permeation of C. albicans cells by FCZ was evaluated with planktonic cells, attached cells, mature biofilms, and biofilm daughter cells.
Percentage of cells with a mean fluorescence intensity at 620 nm (FL2) of greater than 1,000 at the indicated MPC.
Unlike planktonic cells, adherent and biofilm cells were subjected to mild sonication prior to flow cytometric analysis; nonetheless, adherent and biofilm cells showed less than 50% the permeation shown by plantonic cells.