UBASH3A and neoplasm: To test the effect of Sts2-SRDX mediated repression in the actual U. maydis - maize interaction, we generated U. maydis strains over-expressing Sts2-SRDX (or Sts2-SRDXm) to outcompete the native Sts2 and infected them to maize seedlings to evaluate the tumor formation.