IntAct-U-ExM enables super-resolution imaging of isoform-specific actin networks across species. - Dhar, Anubhav; Dey, Sucheta; Mullick, Sanjana; Suman, Nishant Kumar; van Zwam, Maxime C.; Palani Balaji, Nishaant Kumar; Ghosh, Angana; Nair, Deepak; van den Dries, Koen; Gadadhar, Sudarshan; Palani, Saravanan (PLoS Biology, 2026)