To mature them and induce meiosis, Kono's team had to transfer them into an enucleated oocyte from a wild-type mouse. With the haploid genome of the mutant oocyte in hand, they were finally ready ...

Developmental Cell 33(5), 589–602 (2015) 4.Kim J, et al.: "Meikin is a conserved regulator of meiosis-I-specific kinetochore function." Nature 517(7535):466-471 (2015) 5.Solc P, et al.: "Multiple ...