The good viruses

Smiley Although viruses are most often studied as pathogens, many are beneficial to their hosts, providing essential functions in some cases and conditionally beneficial functions in others. Beneficial viruses have been discovered in many different hosts, including bacteria, insects, plants, fungi and animals. How these beneficial interactions evolve is still a mystery in many cases but, as discussed in this review, the mechanisms of these interactions are beginning to be understood in more detail.

The good viruses: viral mutualistic symbioses. (2011) Nature Reviews Microbiology 9, 99-108 doi:10.1038/nrmicro2491

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