Table 5. Analysis of cell division and cell size in tmk mutant leaves.
Genotype | Size of the6th leaf (cm2) | Size of adaxialmature epidermalpavement cells (µm2) | Frequency of cellsshowing Cyc1At:GUSactivity |
Wild type | 3.04±0.28 | 1431±412 | 4.3%±0.6% |
tmk1;tmk4 | 0.28±0.08* | 1212±376* | 1.2%±0.4%* |
tmk1;tmk3;tmk4 | 0.15±0.04* | 1132±382* | ND |
tmk1;tmk2;tmk3;tmk4 | 0.16±0.03* | 1118±394* | ND |
Wild-type plants were compared with various tmk mutant combinations. Adaxial epidermal pavement cells were measured in 20 plants for each genotype. The average±standard deviation is shown. Values that are significantly different (p<0.01) from wild type are labeled with an asterisk. The frequency of cells showing Cyc1At:GUS was determined by number of adaxial epidermal pavement cells stained with Cyc1At:GUS/total number of adaxial epidermal pavement cells. ND: not determined.