Genome Res. 2017 May 8. doi:10.1101/gr.219022.116

Richardson SR, Gerdes P, Gerhardt DJ, Sanchez-Luque FJ, Bodea GO, Muñoz-Lopez M, Jesuadian JS, Kempen MHC, Carreira PE, Jeddeloh JA, Garcia-Perez JL, Kazazian HH Jr, Ewing AD, Faulkner GJ.

Heritable L1 retrotransposition in the mouse primordial germline and early embryo.

One de novo insertion per eight mice. L1 or SINE retrotransposition may also happen in the primordial germ cells.