Table 1.
Wild-type (Ws) and atx1-1 root growth and a comparative analysis of RAM activity in these two genotypesAll parameters were evaluated as indicated in the Materials and methods.
| Genotype | Rate of root growth (μm h–1) | Elongated cell length (μm) | RAM length (μm) | PD length (μm) | PD no. of cells | TD length (μm) | Cell production rate (cell h–1) | Cell cycle duration (h) | NC transit during 24 h |
|---|---|---|---|---|---|---|---|---|---|
| Ws | 262±41 | 169±17 | 400±133 | 272±105 | 43±4 | 128±38 | 1.5±0.2 | 20.8±2.5 | 35±6 |
| atx1-1 | 91±24 | 157±13 | 251±58 | 132±36 | 21±3 | 128±28 | 0.6±0.1 | 30.8±7.3 | 12±3 |
| Statistics. | * | ND | *(NTF) | * | * | ND | * | * | * |
Cell length of fully elongated cortical cells is indicated. Mean ±SD, n = 12.
*Statistical significance at P<0.001 (two-tailed Student’s t-test). When the normality test failed (NTF), a Mann–Whitney rank sum test was performed. ND indicates no significant difference (P>0.05).