Muzafar et al. demonstrate increased streptomycin resistance in Salmonella enterica, suggesting new evolutionary insights.
Evolutionary outcomes are affected by multiple complex factors, many of which are omitted from traditional experimental designs. In their recent manuscript, Muzafar et al. demonstrate that interspecies competition drives increased physiological streptomycin resistance in Salmonella enterica through upregulation of the stringent stress response, altering evolutionary trajectories between monoculture and coculture.
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Sheriff et al. (2026) studied this question.
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