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Fig. 6. Immunolocalization of Na+/K+-ATPase (red; A,B,C) and
H+-ATPase (green; A',B',C') in gill filament
sagital sections of transformers of P. marinus acclimated to
freshwater (FW; A,A',A''), 10
(B,B',B'') and 25
(C,C',C'') salinity. Images were merged with DAPI nuclear
staining (blue) and differential interference contrast (DIC) images for
orientation (A'',B'',C''). Scale bar, 50 µm.