This Week in Nature

In Nature Genetics this week, a Stanford University-led research team reports on the creation of human and mouse tissue-specific maps of genomic imprinting, offering new insights into the evolution of this epigenetic process. The investigators generated an atlas of imprinting across 33 mouse and 45 human developmental stages and tissues, and found that almost all imprinted genes were imprinted in early development.

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A genome-wide association study that linked common genetic variants to salivary gland carcinoma risk has been retracted, according to Retraction Watch.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