Mutants in the mouse NuRD/Mi2 component P66alpha are embryonic lethal.
Mutants in the mouse NuRD/Mi2 component P66alpha are embryonic lethal.
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DOI:
10.1371/journal.pone.0000519
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发表时间:
2007-06-13
期刊:
影响因子:
3.7
通讯作者:
Nusse R
中科院分区:
文献类型:
--
作者:
Marino S;Nusse R
The NuRD/Mi2 chromatin complex is involved in histone modifications and contains a large number of subunits, including the p66 protein. There are two mouse and human p66 paralogs, p66α and p66β. The functions of these genes are not clear, in part because there are no mutants available, except in invertebrate model systems. We made loss of function mutants in the mouse p66α gene (mp66α, official name Gatad2a, MGI:2384585). We found that mp66α is essential for development, as mutant embryos die around day 10 of embryogenesis. The gene is not required for normal blastocyst development or for implantation. The phenotype of mutant embryos and the pattern of gene expression in mutants are consistent with a role of mp66α in gene silencing. mp66α is an essential gene, required for early mouse development. The lethal phenotype supports a role in execution of methylated DNA silencing.
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