Kaadige MR, Lopes JM.  2006.  Analysis of Opi1p repressor mutants.. Curr Genet. 49(1):30-8.

Gardocki M E, Lopes JM.  2003.  Expression of the yeast PIS1 gene requires multiple regulatory elements including a Rox1p binding site.. J Biol Chem. 278(40):38646-52.