This Week in Nature

In Nature this week, scientists led by HHMI's Raymond Deshaies describe the polyubiquitylation pathway, which is the conjugation of a series of ubiquitin molecules onto proteins as part of the degradation process. By employing "new theoretical and experimental methodologies," they were able to watch the process in milliseconds, and found that it actually proceeds sequentially.

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US News & World Report writes that genetic testing of lung tumors can help identify treatments for patients.

A team of researchers plans to sample Loch Ness for environmental DNA, according to Newsweek.

The New York Times writes about the appearance of mosaicism in healthy people.

In PNAS this week: insecticide resistance patterns Anopheles gambiae mosquito, transcriptome patterns in Pseudomonas aeruginosa during infection, and more.