Heterochromatin domains are essential for normal chromosome functions. The Eri1 ribonuclease is a negative regulator of the RNA interference machinery; recent studies have shown that, in fission yeast lacking Eri1, heterochromatin formation is more promiscuous.
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| http://dx.doi.org/10.1016/j.cub.2006.07.033 | DOI Listing |
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