News tagged with xist

Revealing a missing link

When it comes to genes, it’s definitely possible to have too much of a good thing. Accordingly, mammalian females have a mechanism that randomly inactivates one of the two X sex chromosomes within each ...

Nov 12, 2010
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Aurora B answers an XIST-ential question

Early in development, mammalian female cells counteract their double dose of X chromosomes by coating one of them with a large RNA named XIST. The RNA binds to the same X chromosome from which it is transcribed ...

Aug 24, 2009
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Not all clones the same

Despite their name, not all clones are created equal. This is especially true for the products of somatic cell nuclear transfer (SCNT), which entails the transplantation of the nucleus from a mature somatic ...

Nov 05, 2010
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Australian marsupials challenge gene theory

Scientists studying the kangaroo genome have cast doubt on the credentials of a gene thought to be crucial to the process of inactivating one sex chromosome in women.

Apr 30, 2007
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