A protein called PriC allows DNA replication to proceed in Escherichia coli when the complex that usually initiates this process is compromised.

The authors created a useful collection of Rep protein variants with changes that alter the amino acid sequence, but these did not lead to clear improvements in how the virus worked. Instead, their ...

Among animals, the contribution of Dicer’s helicase to recognition and elimination of viral double-stranded RNA (dsRNA) varies from phylum to phylum. Vertebrate Dicers show no helicase activity, while ...

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