This Week in PNAS

In this week's PNAS Early Edition, a pair of researchers at Israel's Tel Aviv University and Bar Ilan University propose that the "lateral acquisition of genes is affected by the friendliness of their products." Uri Gophnaa and Yanay Ofranb say genes that encode proteins involved in multiple protein-protein interactions "have a greater chance of forming new interactions in new species" and may "be more prone to transfer than genes with fewer interactions." The pair says that their pr

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Microsoft co-founder Paul Allen also contributed to brain research, NPR reports.

The New York Times reports on the shifting interpretations of what some genetic variants mean over time.

In Cell this week: investigation of metastatic tumor evolution, more than 16,000 genetic variants introduced into the budding yeast model organism, and more.

MIT's Technology Review reports on Genentech's pursuit of personalized cancer vaccines.