Data from: Different food sources elicit fast changes to bacterial virulence

Tarmo Ketola, L. Mikonranta, Jouni Laakso & Johanna Mappes
Environmentally transmitted, opportunistic bacterial pathogens have a life cycle that alternates between hosts and environmental reservoirs. Resources are often scarce and fluctuating in the outside-host environment, whereas overcoming the host immune system could allow pathogens to establish a new, resource abundant and stable niche within the host. We tested if shortterm exposure to different outside-host resource types and concentrations affect Serratia marcescens—(bacterium)’s virulence in Galleria mellonella (moth). As expected, virulence was mostly dictated by the...
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