Antisense piRNA amplification, but not piRNA production or nuage assembly, requires the Tudor-domain protein Qin.
Zhang et al., 2014, EMBO J. 33(6): 536--539 [
FBrf0225029]
The tudor domain protein Kumo is required to assemble the nuage and to generate germline piRNAs in Drosophila.
Anand and Kai, 2012, EMBO J. 31(4): 870--882 [
FBrf0217541]