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Staining of G4 DNA in the macronucleus of Stylonychia lemnea. Indirect immunofluorescence of Stylonychia using monoclonal antibody 1H6. Shown are different adult animals with a characteristic staining pattern that excludes the replication band (arrows) as well as the micronucleus (bottom panels, asterisks). The left panels show 1H6 staining, the second row corresponding DAPI staining and the third column an overlay of 1H6 and DAPI fluorescence. Scale bars: 10 μm.
