Figure 6From: Fungal-associated NO is involved in the regulation of oxidative stress during rehydration in lichen symbiosisROS content of isolated Trebouxia sp. Capital letters identify the fluorescence image; the lower-case letter indicates the corresponding bright-field images: A-a control; B-b algae treated with 200 μM c-PTIO. Each micrograph is representative of several images corresponding to independent samples. Magnification 1000×. Bar 20 μmBack to article page