Fig. 8. Indirect immunofluorescence double labelling of a gill filament sagittal
sections of a Fort River P. marinus transformer for (A) carbonic
anhydrase (green) or (D) H+-ATPase B subunit (green) double
labelled for Na+/K+-ATPase
subunit (red; B and
E, respectively) with the corresponding merged images with the overlaid with
DAPI nuclear staining (blue) and differential interference contrast (DIC)
images for orientation (C and F, respectively). Scale bar, 50 µm.