Immunolocalization of accumulated glycinin in transgenic rice endosperm. Sections of embedded tissue were labeled with anti-prolamin (A), anti-glutelin (B), or anti-glycinin (C and D) sera, followed by gold-conjugated anti-rabbit IgG (A and B, 30 nm gold particles; C and D, 10 nm). A, B, and D, Transgenic rice 11[pGluB1Gly]; C, nontransgenic rice.