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. 2018 Apr 25;9:552. doi: 10.3389/fpls.2018.00552

FIGURE 7.

FIGURE 7

Immunogold staining of JIM11 epitope in the symbiotic protocorms of D. officinale. (A) In the apical portion of the protocorm, no immunogold particles were observed. Scale bar = 1 μm. (B) TEM of a basal portion of protocorm cell with fungal hyphae (H). Labeling occurred in the host cell wall (CW) and the interfacial matrix (arrowhead) or fungal cell wall. Scale bar = 1 μm. (C) TEM of a portion of protocorm cell with collapsed fungal hyphae (H). Scale bar = 1 μm. (D) The control staining. Thin sections were incubated with the mouse pre-immune IgG instead of JIM11 antibody. Immunogold particles were absent in these treatments. Scale bar = 1 μm.