This Week in PLoS

In PLoS ONE this week, German researchers present a flow cytometry-based FRET assay to examine protein-protein interactions within cells. Using a combination of FRET and fluorescence-activated cell sorting techniques, the team analyzed the interactions of HIV and SIV proteins Nef and Vpu with cellular factors.

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The New York Times and ProPublica say that many physicians fail to disclose their financial ties when publishing in medical journals.

The Wall Street Journal reports Human Longevity's valuation has dropped by 80 percent.

Science reports that the US National Cancer Institute is cutting its operating budget by 5 percent.

In PLOS this week: similar variants seen in bullbogs, people with Robinow syndrome; ApoE genotypes in African-American, Puerto Rican populations; and more.