A nowhere-to-hide mechanism ensures complete piRNA-directed DNA methylation - Tamoghna Chowdhury; Shelagh Boyle; Ansgar Zoch; Xinyu Xiang; Madeleine Dias Mirandela; Hanna Fieler; Christos Spanos; Juan Zou; David Kelly; Wendy A. Bickmore; Atlanta G. Cook; Dónal O’Carroll (Nature, 2026)