Parasitism to mutualism shift during a viral infection in Drosophila under thermal stress

Host-parasite interactions exist along a continuum from parasitism to mutualism, yet the environmental drivers governing transitions along this spectrum remain underexplored. Here we show that chronic thermal stress systematically attenuates virulence across multiple natural RNA viruses in Drosophila melanogaster and shifts persistent Nora virus infection into conditional mutualism, enhancing…

biorxiv.org ·1d ago

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Parasitism to mutualism shift during a viral infection in Drosophila under thermal stress

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