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CysEP is localized to ricinosomes in nucellar cells undergoing PCD. (A–E) Ten DAP. (F–I) Twenty DAP. (J and K) During cell collapse. (A) Ricinosomes in the nucellar cells are derived from the ER. (B–D, F–H, J, and K) CysEP is localized to ricinosomes in nucellar cells fated to die. (A, E, and I) Preimmune control. er, endoplasmic reticulum; G, Golgi complex; ps, polysomes; all others as in Fig. 5. (Bars, 1 μm.)
