Data from: Gain-of-function experiments in bacteriophage lambda uncover residues under diversifying selection in nature

Rohan Maddamsetti, Daniel T. Johnson, Stephanie J. Spielman, Katherine L. Petrie, Debora S. Marks & Justin R. Meyer
Viral gain-of-function mutations frequently evolve during laboratory experiments. Whether the specific mutations that evolve in the lab also evolve in nature and whether they have the same impact on evolution in the real world is unknown. We studied a model virus, bacteriophage λ, that repeatedly evolves to exploit a new host receptor under typical laboratory conditions. Here we demonstrate that two residues of λ’s J protein are required for the new function. In natural λ...
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