RFX1 and ciliopathy: In the past, the identification of direct targets of RFX TFs has been instrumental in the identification of new ciliome components, which lead to a better understanding of cilia function and the etiology of ciliopathies (Blacque et al., 2005; Chen et al., 2006; Efimenko et al., 2005; Li et al., 2004; Schiebinger et al., 2019).