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. 2014 Mar 24;165(1):290–308. doi: 10.1104/pp.113.233742

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Figure 8. — Ectopic lignification of the pith cells in NodC OE lines. A, Visualization by Wiesner staining of lignin in stem sections of the NodC OE line pTGK42-28 at two different positions along the stem. The apical region with reduced internode length is characterized by the accumulation of ectopic lignin in the pith region. The enlarged pith cells due to the sheared cell walls are clearly visible in this region. B, Sections within the internode with a normal phenotype have no ectopic lignification and no enlarged pith cells. Similar effects were observed in line pTGK42-10.