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. 2006 Jan-Feb;1(1):1–5. doi: 10.4161/psb.1.1.2277

Figure 1.

Figure 1

Light micrographs showing self recognition (A) and non-self incompatibility (B) between AM fungal hyphae. (A) Visualization of complete fusions of hyphal walls and protoplasmic continuity, evidenced by formazan salt depositions in hyphal bridges (succinate dehydrogenase activity, SDH) in two compatible hyphae of the AM fungus Glomus mosseae. (B) Incompatible interaction between hyphae of two geographically different isolates of the AM fungus Glomus mosseae, visualised after SDH and Trypan blue staining, showing protoplasm withdrawal and septum formation in the approaching hypha (isolate IN101C) after contact with a branch initial (isolate SY710). Scale bar = 10 µm.