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Figure 1. The kinetics of root tip bending after 90-degree reorientation at time 0. The y axis is angle in degrees, where 90 degrees is vertical. Points connected by solid line and dotted line correspond to average angles of wild-type and sku5 root tips, respectively. Vertical bars are standard deviations. The t test P values for each time point are as follows: 0 h, P = 0.740; 3 h, P = 0.118; 6 h, P = 0.009; 9 h, P = 0.037; 12 h, P = 0.010; 15 h, 2.8 x 10-8; 36 h, P = 0.193.
Figure 2. Bootstrap tree representing the relatedness of the SKU5 homologues based on their predicted amino acid sequences (SKS, SKU5 similar). Sequence alignments were done with ClustalX (version 1.64b). The tree was generated by the neighbor-joining method using 1000 bootstrap replicates and was drawn by TreeView (version 1.6.2). The scale represents 0.1 substitutions per site. The numbers in parentheses are the percentage amino acid sequence identity of that protein with the SKU5 protein and the number of ESTs for the corresponding gene that were identified in databases.