Project description:Affymetrix soybean genome arrays were used to identify genes differentially expressed in the immune resistance response at 6, 12, 24, and 48 hours after inoculation with Phakopsora pachyrhizi isolates TW72-1 or HW94-1 soybean + HW94-1 = resistant; soybean + TW72-1 = susceptible Keywords: time course