Table 2.
Comparison of strains 972 and A1153a
| Cell or filament | Medium | Strain | No. of cells | Mean cell length at septation (μm) (SD) | Mean growth rate (μm/h) (SD) |
|---|---|---|---|---|---|
| Single cells | YES | 972 | 100 | 14.7 (1.21) | 2.35 (0.35) |
| YES | A1153 | 100 | 12.8 (1.09) | 2.07 (0.32) | |
| LNB | 972 | 98 | 15.0 (1.51) | 1.63 (0.28) | |
| LNB | A1153 | 100 | 12.4 (1.08) | 1.19 (0.16) | |
| Filaments | |||||
| From time-lapse microscopy | LNB | A1153 | 50 | 20.0 (1.70) | 1.63 (0.96) |
| From excised blocks | |||||
| LNB | 972 | 49 | 18.5 (1.83) | ||
| LNB | A1153 | 50 | 18.9 (1.54) |
a
The mean cell lengths at septation and mean growth rates for strains 972 and A1153 were determined on YES and LNB media and compared to the values for tip cells in filaments. The average length of septated tip cells of filaments imaged from excised agar blocks is also shown.