Freudenreich, Stavenhagen, and Zakian. (1997) 1997. “Stability of a CTG CAG Trinucleotide Repeat in Yeast Is Dependent on Its Orientation in the Genome.”. Mol Cell Biol 17 (4): 2090-8.

Ribeyre, Cyril, Judith Lopes, Jean-Baptiste Boulé, Aurèle Piazza, Aurore Guédin, Virginia Zakian, Jean-Louis Mergny, and Alain Nicolas. (2009) 2009. “The Yeast Pif1 Helicase Prevents Genomic Instability Caused by G-Quadruplex-Forming CEB1 Sequences in Vivo.”. PLoS Genet 5 (5): e1000475. doi:10.1371/journal.pgen.1000475.