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Fig. 6 | BMC Plant Biology

Fig. 6

From: Tracheid cell-wall structures and locations of (1 → 4)-β-d-galactans and (1 → 3)-β-d-glucans in compression woods of radiata pine (Pinus radiata D. Don)

Fig. 6

Immunogold micrographs of transverse sections of OW and three CWs labelled with BS 400-2. OW (a) MCW1 (b), MCW2 (c) and SCW (d). In OW tracheid walls, there are sporadic particles in the mid region of the S2 wall layer (see inset). In MCW1, there is denser labelling in the inner region of the S2 layer (S2i). Even greater density of labelling is found in the same wall region in MCW2. In SCW, there is abundant labelling of the S2i layer, which is mostly confined to within the helical cavities. Sections were from Tree 1. Scale bar: 1 μm (inset scale bar: 0.5 μm)

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