The A-repeat links ASF/SF2-dependent Xist RNA processing with random choice during X inactivation.
The A-repeat links ASF/SF2-dependent Xist RNA processing with random choice during X inactivation.
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DOI:
10.1038/nsmb.1877
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发表时间:
2010-08
影响因子:
16.8
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中科院分区:
文献类型:
--
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One X chromosome, selected at random, is silenced in each female mammalian cell. Xist encodes a noncoding RNA that influences the probability that the cis-linked X chromosome will be silenced. We found that the A-repeat, a highly conserved element within Xist, is required for the accumulation of spliced Xist RNA. In addition, the A-repeat is necessary for X-inactivation to occur randomly. In combination, our data suggest that normal Xist RNA processing is important in the regulation of random X-inactivation. We propose that modulation of Xist RNA processing may be part of the stochastic process that determines which X chromosome will be inactivated.
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影响因子:
14.9
作者:
Cartegni, L;Wang, JH;Krainer, AR
通讯作者:
Krainer, AR
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DOI:
10.1083/jcb.200908026
发表时间:
2010-02-22
期刊:
The Journal of cell biology
影响因子:
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通讯作者:
Panning B
DOI:
10.1083/jcb.200405117
发表时间:
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期刊:
The Journal of cell biology
影响因子:
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通讯作者:
Jaenisch R