...et al. 2015). In addition, chromatin assembly factors such as ATRX, DAXX, and CAF1A/B are also known to be involved in retroelement silencing in early embryos or embryonic stem cells (Elsasser et al. 2015; Hatanaka et al. 2015; Sadic et al. 2015; Voon et al. 2015; Yang et al. 2015).As exemplified...