Citation: Zq. An et al., THE DISTAL GATA SEQUENCES OF THE SID1 PROMOTER OF USTILAGO-MAYDIS MEDIATE IRON REPRESSION OF SIDEROPHORE PRODUCTION AND INTERACT DIRECTLY WITH URBS1, A GATA FAMILY TRANSCRIPTION FACTOR, EMBO journal, 16(7), 1997, pp. 1742-1750