Note: An earlier version of this story incorrectly stated that both Huntington's disease modifiers on chromosome 15 were associated with delayed disease onset.

NEW YORK (GenomeWeb) – In Cell today, members of the Genetic Modifiers of Huntington's Disease Consortium described variants linked to earlier or later disease onset in individuals with Huntington's disease-causing trinucleotide repeats in the huntingtin gene HTT.

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The UK's Nuffield Council on Bioethics says genetically modifying human embryos could be morally permissible, according to the Guardian.

A new Nature Biotechnology paper reports that CRISPR-Cas9 gene editing can lead to large deletions or complex rearrangements that could be pathogenic.

The Wall Street Journal likens a prototype developed by Synthetic Genomics to a "biological fax machine."

In PNAS this week: strategy for reactivating Rett syndrome-linked MECP2, small molecules able to suppress Staphylococcus aureus virulence, and more.