Supplemental Data

Files in this Data Supplement:

• Supplemental Figure 1 - Preincubation of anti-HCT antibodies with the purified recombinant HCT protein abolishes HCT immunolabelling in tobacco stem sections. (A) through (C), Immunofluorescence labelling obtained with anti-HCT serum (A), anti-HCT serum preincubated with purified recombinant HCT protein (B), or when anti-HCT serum was omitted (C). (D) through (F), Lignin autofluorescence corresponding to sections (A), (B), and (C), respectively. co, cortex ; ip, internal phloem ; pi, pith ; xy, xylem. Arrowheads indicate ip. Bars = 100 μm.