Table 1.
Root length reduction and AtCHR23 mRNA up-regulation in transgenic Arabidopsis lines with modified AtCHR23 expression
| Plant line | Root length (mm) a | CV b | VAR c | P(VAR) d | Reduction in root length (%) e | Fold up-regulation AtCHR23 f |
|---|---|---|---|---|---|---|
| Columbia – WT |
40.53 |
0.052 |
4.76 |
na |
na |
na |
|
AtCHR23-4ov |
31.89 |
0.164 |
27.63 |
*** |
21.6 |
30 |
|
AtCHR23-5ov |
34.65 |
0.161 |
31.32 |
*** |
14.9 |
40 |
|
atchr23 |
41.81 |
0.080 |
12.26 |
* |
nd |
na |
|
G_AtCHR23-1ov |
35.04 |
0.161 |
31.46 |
*** |
14.0 |
15 |
|
G_AtCHR23-3ov |
31.46 |
0.163 |
26.49 |
*** |
22.7 |
13 |
| CHR23:G_AtCHR23ov | 36.26 | 0.164 | 35.47 | ** | 11.0 | 2 |
aMean root length; bcoefficient of variation calculated as ratio of the standard deviation to the mean; cvariance in root length; dsignificance of variance relative to WT as determined by Levene’s test, *, P < 0.05; **, P < 0.01; ***; P < 0.001; ereduction in root length relative to WT; ffold up-regulation of AtCHR23 relative to WT. WT, wild-type; na, not applicable; nd, not detected.