The human THAP9 gene encodes an active P-element DNA transposase.
The human THAP9 gene encodes an active P-element DNA transposase.
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DOI:
10.1126/science.1231789
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发表时间:
2013-01-25
期刊:
影响因子:
--
通讯作者:
Rio DC
中科院分区:
文献类型:
--
作者:
Majumdar S;Singh A;Rio DC
The human genome contains ~50 genes that were derived from transposable elements or transposons, and many are now integral components of cellular gene expression programs. The human THAP9 gene is related to the Drosophila P-element transposase. Here, we show that human THAP9 can mobilize Drosophila P-elements in both Drosophila and human cells. Chimeric proteins formed between the Drosophila P-element transposase N-terminal THAP DNA binding domain and the C-terminal regions of human THAP9 can also mobilize Drosophila P elements. Our results indicate that human THAP9 is an active DNA transposase that, although “domesticated,” still retains the catalytic activity to mobilize P transposable elements across species.
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