Table 2. Quantification of Colocalization among CSI1, CSI3, CSCs, and Microtubules.

Untreated Seedlings	RFP-CSI1 (A) vs.	YFP-CESA6 (A) vs.	GFP-CSI3 (A) vs.
	GFP-CSI3 (B)	CSI3-RFP (B)	RFP-TUA5 (B)
No. of colocalized voxels	362	470	685
Percentage of materia A/B colocalized	52% ± 3%/43% ± 3%	75% ± 3%/75% ± 3%	80% ± 3%
P value	0.003/0.074	<0.001	<0.001
Percentage of expected random colocalized	39% ± 2%/38% ± 2%	33% ± 1%/35% ± 2%	46% ± 2%