Article
A maternal-zygotic effect gene, Zfp57, maintains both maternal and paternal imprints.
Developmental cell - 1 Oct 2008
Li Xiajun, Ito Mitsuteru, Zhou Fen, Youngson Neil, Zuo Xiaopan, Leder Philip, Ferguson-Smith Anne C
Abstract excerpt
The mechanisms responsible for maintaining genomic methylation imprints in mouse embryos are not understood. We generated a knockout mouse in the Zfp57 locus encoding a KRAB zinc finger protein. Loss of just the zygotic function of Zfp57 causes partial neonatal lethality, whereas eliminating both the maternal and zygotic functions of Zfp57 results in a highly penetrant embryonic lethality. In oocytes, absence of...
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