Fig. 6. Transport of p40 through the Golgi in microsporidia. Cells from cricket fat bodies were infected with P. grylli and prepared for cryo-immuno EM. (A-F) Cryosections of meronts (A-C) and sporoblasts (D-F) with labeling for p40. The TNs (C, thin arrows) are labeled for GM130 (15 nm; C) and p40 (10 nm; A-C). p40 can be seen over the forming spore wall (D,F, thick arrows) and in the peripheral parts of the enlarged TN (F, thin arrow), but not over the forming polar tube (E, thin arrows). Thin arrows in D indicate polar tubes. Bars, 80 nm (A-D,F); 90 nm (E).