This Week in Science

In Science's early online edition, researchers performed a genome-wide RNAi screen in Drosophila to find genes for susceptibility or resistance to intestinal infection by the bacteria Serratia marcescens. Screening on organism- and tissue-specific levels, they found that the JAK-STAT signaling pathway "controls host defense in the gut by regulating stem cell proliferation and thus epithelial cell homeostasis," they say.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

A small study finds differences between three genomic prostate cancer tests, Medscape reports.

In Nature this week: shared genetic architecture for asthma and allergic diseases, and more.

A survey of Canadians finds them to be divided on genetically modified food, the Ottawa Citizen reports.