This Week in Nature | GenomeWeb

This Week in Nature

In a paper published online in advance in Nature this week, the Cold Spring Harbor Laboratory's Michael Wigler et al. report their use of whole-genome amplification and next-gen sequencing on flow-sorted nuclei isolated from polygenomic tumor cells to determine that, "in contrast to gradual models of tumor progression, our data indicate that tumors grow by punctuated clonal expansions with few persistent intermediates."

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In Science this week: deletion of one microRNA allows pluripotent stem cells to form embryonic and non-embryonic lineages, and more.

Arizona is planning to sue Theranos for "deceptive acts" and misrepresentations of its "capabilities and operation."

If confirmed as Department of Health and Human Services Secretary, Tom Price says he will divest himself of certain holdings, according to Stat News.

Oliver Smithies, who won the Nobel Prize in 2007, has died, the New York Times reports.