SUMO-1 conjugation selectively modulates STAT1-mediated gene responses Running title: Sumoylation modulates STAT1 responses Daniela Ungureanu1, Sari Vanhatupa1, Juha Grönholm1, Jorma J. Palvimo2 and Olli Silvennoinen1,3 1From Institute of Medical Technology, University of Tampere, Tampere, Finland; 3Department of Clinical Microbiology, Tampere University Hospital, Tampere, Finland; 2Department ...