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. 2013 Jul 5;64(11):3313–3325. doi: 10.1093/jxb/ert170

Fig. 5.

Fig. 5.

Quinoa perisperm cells analysed by transmission electron microscopy during development. (A) Cytoplasm before starch deposition (stage 1, detail of Fig. 3A); (B, C) cytoplasm at the beginning of starch deposition (late stage 3, detail of Fig. 3B); (D) stage 5 (detail of Fig. 3C); (E) detail of the starch grain shown in D; (F) cell lumen of a perisperm at stage 6, almost completely full of starch (detail of Fig. 3D). Abbreviations: cw, cell wall; m, mitochondrion; rer, rough endoplasmic reticulum; v, vacuole. In B, the arrowhead indicates the endoplasmic reticulum; in F, arrows indicate single starch grains occupying the spaces among the compound starch grains. Scale bars 400nm (A–C); 1 μm (D); 500nm (E); 2 μm (F).