This Week in Cell

In a paper published online in advance in Molecular Cell this week, researchers at the University of Zurich show that poly(ADP-ribose)-polymerase-1, or PARP1/ARTD1, "is implicated in the maintenance of silent rDNA chromatin during cell division." More specifically, the team shows that "PARP1 associates with TIP5 … via the noncoding pRNA and binds to silent rRNA genes after their replication in mid-late S phase," such that it represses rRNA transcription and plays a role in the formation of silent rDNA chromatin.

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Reuters reports that UK researchers are using gene-editing tools to develop flu-resistant chickens.

Nature calls for genomics to become part of the World Health Organization's cholera surveillance approach.

Vox explores a proposal to institute a lottery system to award grant funds.

In Genome Biology this week: gut microbiome study of individuals from Tanzania and Botswana, sixth version of the Network of Cancer Genes database, and more.