This Week in Science

An international team led by investigators at the University of Michigan Medical School reports on its study of how germ-free mice "are unable to eradicate Citrobacter rodentium, a model for human infections." These results, the team says in a paper published online in advance this week, suggest that "pathogen colonization is controlled by bacterial virulence and through competition with metabolically related commensals."

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Consulting company McKinsey says diagnostics companies will have to combine genomic data analysis, electronic medical records, effective reimbursement strategies, and regulatory compliance in order to win.

A new report has found that researchers in Africa are still heavily dependent on funding from organizations in the US, Europe, and China, Nature News says.

An article in The Atlantic argues that the progress being made in science isn't keeping pace with the money and time being spent on research.

In Science this week: a CRISPR screen identifies sideroflexin 1 as a requisite component of one-carbon metabolism, and more.