This Week in Nature

In early online publication in Nature this week, work led by Ruedi Aebersold's lab developed a method that the scientists hope will become a "cornerstone of quantitative biology and systems biology." Their mass spec-based method allowed them to count the average number of protein copies per cell in a population for 83 percent of the proteins in the proteome of Leptospira interrogans, a spirochete responsible for leptospirosis.

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An Australian-led team has generated a draft genome assembly of the invasive cane toad in hopes it will help in population control, the Sydney Morning Herald reports.

The New York Times reports that the US Department of Defense has implemented about half the recommendations made to improve safe handling of dangerous agents.

In PLOS this week: approach for teasing out archaic introgression in human genomes, immune transcription features in HCV infection, and more.

Stat News reports that Maryland is promoting itself to the biotech industry with a mobile billboard.