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Fig. 1. SOD electrophoretic patterns in symbiotic (Anemonia viridis) and
non-symbiotic species (Actinia schmidti). (A) SOD activity in A.
viridis animal (ectoderm plus endoderm) extract and (B) A.
schmidti total extract in the absence (control) and in the presence of
KCN (10 mmol l1) revealed on native PAGE (8%) and by NBT
staining. Arrows indicate pharmacological identification of bands: MnSOD
(black arrows), CuZnSOD (open arrows). Cytosolic fractions containing a
quantity of 150 µg of protein was loaded in each well. Similar results were
obtained in four to 10 independent experiments for A. schmidti and
A. viridis specimens, respectively.