This story originally appeared in Biocommerce Week, a newsletter that has been discontinued.
Following on its acquisition of 454 Life Sciences a few months ago, Roche this week signed a definitive agreement to acquire privately held microarray firm NimbleGen Systems for $272.5 million, which is 20 times NimbleGen’s 2006 revenues.

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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.