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. 2008 May 27;105(22):7887–7892. doi: 10.1073/pnas.0801696105

Fig. 5.

Fig. 5.

Tissue-specific deposition of syringyl lignin in S. moellendorffii is associated with the expression pattern of SmF5H. (a) Mäule staining of transverse sectioned S. moellendorffii stem. Red color indicates the presence of syringyl lignin, and brown color indicates the presence of guaiacyl lignin. (b and c) In situ hybridization of SmF5H mRNAs in Selaginella transverse sections using antisense (b) and sense (c) SmF5H probes. Purple color indicates the presence of the SmF5H mRNA. (Scale bars: 200 μm.)