Molognoni, Fernanda Correction: Ras and Rac1, frequently mutated in melanomas, are activated by superoxide anion, modulate Dnmt1 level and are causally related to melanocyte malignant transformation. [electronic resource] - PloS one 2015 - e0124983 p. digital Publication Type: Published Erratum ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0124983 doi