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Localization of p24δ5 and p24β2 by immunogold labelling on cryofixed Arabidopsis roots. (A and B) Labelling with antibodies against Nt-p24δ5 at the ER (A and B) and at a putative COPI vesicle (B). (C–E) Labelling with antibodies against Ct-p24β2 at the Golgi (C–E) and at the ER (C). Arrowheads point to gold particles. c, cis-Golgi; t, trans-Golgi. Scale bars=300 nm.
