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. 2015 Jun 20;66(19):5753–5767. doi: 10.1093/jxb/erv278

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 6. — Transmission electron microscope micrographs of epidermal cell walls of coleoptile and first two leaves from the fdl1-1 mutant seedlings. (A) The cell wall proper of coleoptile and first leaf cannot be distinguished in a fused zone. (B) Distinct cell walls are visible in the free area adjacent to the fused one. (C) The higher magnification reveals the absence of any cuticular materials between the fused cell walls of two leaf surfaces. (D) A cuticle layer can be seen on the cell walls of the small free zone. (E) An evident continuous cuticle covers the free surfaces of the epidermal cells, also bordering the point of fusion (arrow). (F) The cuticle overlays the surfaces of two unfused leaf epidermises. co, coleoptile; cu, cuticle; lf, leaf. Bars: 1 μm (A, B); 0.5 μm (C, F); 0.25 μm (D, E).