Table 1.
Effect of mutations in minD and divIVA on septum formation during sporulation
| Strain
|
Genotype
|
% Cells with Phenotypea
|
|||||
|---|---|---|---|---|---|---|---|
| vegetative
|
sporulating
|
||||||
| no septum
|
medial septum
|
polar septum
|
asymmetric septum
|
medial septum
|
other
|
||
| SG38 | + | 13 | 21 | ND | 59 | ND | 7 |
| 1901 | minD | 8 | 7 | 13 | 39 | 4 | 29 |
| 1920 | midD divIVA | 14 | 10 | 13 | 35 | 9 | 19 |
a
A total of 180 cells (medial sections) of each strain were counted in samples taken 110 min after the initiation of sporulation. The category labeled “Other” comprises cells of various configurations containing two or more septa of any thickness. ND, not detected.