This Week in PNAS

In the early, online version of the Proceedings of the National Academy of Sciences, a team from Switzerland and the US present a genome-scale analysis of gene deletion effects on metabolic networks in 55 bacteria from nine species, including 46 Escherichia coli strains and two strains of Shigella.

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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.