A new mutation in wspF allows Pseudomonas fluorescens to colonize a previously unoccupied niche, but its proteomic effects reflect only a fitness cost. Between these two observations lies a better understanding of how organisms build and modify networks of protein expression through evolutionary time.
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Remold, S. Protein expression tells only half the story. Nat Genet 38, 979–980 (2006). https://doi.org/10.1038/ng0906-979
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DOI: https://doi.org/10.1038/ng0906-979