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Maintaining immune homeostasis in fly gut

Like every metazoan species hosting a gut flora, drosophila tolerate commensal microbiota yet remain able to mount an efficient immune response to food-borne pathogens. New findings explain how the quantity of reactive oxygen species in the gut is 'tuned' to microbial burden and how intestinal immune homeostasis is thereby maintained.

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Figure 1: Signaling networks controlling gut production of AMP and ROS in the presence of commensal microbiota and a greater microbial burden.

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Correspondence to Julien Royet.

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Leulier, F., Royet, J. Maintaining immune homeostasis in fly gut. Nat Immunol 10, 936–938 (2009). https://doi.org/10.1038/ni0909-936

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