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Microbiology

A backup for bacteria

The finding that intestinal viruses can substitute for intestinal bacteria to promote the health of their mammalian hosts raises the possibility that viruses in the gut may be beneficial in some circumstances. See Letter p.94

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Figure 1: Beneficial viruses in the mammalian intestine.

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Correspondence to Julie K. Pfeiffer.

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Wang, Y., Pfeiffer, J. A backup for bacteria. Nature 516, 42–43 (2014). https://doi.org/10.1038/nature13938

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