Immunological localization of PEPC in germinating
wheat grains. Grains were soaked for 14 h (A–C) or 24 h (D).
Sections (10 μm) were probed with polyclonal PEPC IgGs (1 μg per
slide; A, C, and D) or preimmune serum (B). al, Aleurone layer; cr,
coleorhiza; ep, epicotyl; ept, epithelium; sc, scutellum; se, starchy
endosperm; and r, radicle. Magnifications: A and B, ×50; and C and D,
×100.