This Week in Nature

In Nature this week, a team led by researchers at St. Jude Children's Research Hospital report a novel therapy for retinoblastoma. The team performed genomic and epigenetic analyses of retinoblastoma samples, and found that the cancer's genome is stable, though several of its pathways can be deregulated. As the team reports, the only known cancer gene mutated in these tumors is RB1, and that the overall mutational rate is very low.

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A new study in JAMA finds that genetic tests might not be able to determine what diet is right for someone seeking to lose weight.

A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.

Vampire bats' ability to live off blood is etched in their genomes and gut microbiomes, the Scientist reports.

In Genome Biology this week: peopling of the Sahara, epigenetic reprogramming analysis of liverwort, and more.