2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114925In this talk I briefly review the status of SUSY GUTs in 4, 5, 6 and 10 dimensions, focusing on the issue of gauge coupling unification and proton decay. I then discuss the predictions of the minimal SO(10) SUSY model [MSO$_{10}$SM].22 pages, 18 figures, Invited talk given at the 2nd World Summit on Physics Beyond the Standard Model, Galapagos Islands, Ecuador, June 22-25, 2006High Energy Physics - PhenomenologyGrand Unified Theoriestext