Abstract

Hobley et al. (e00629-19) show that dual predation by an environmentally isolated rosette-tailed phage family bacteriophage and the bacterial predator Bdellovibrio bacteriovorus can control the rise of genetically phage-resistant and phenotypically Bdellovibrio-resistant prey populations. Using a Bayesian model selection process, they inferred several interesting features that would have otherwise remained hidden in the data. For example, the results of dual predation can be predicted by the mathematical model fitted to single-predation data only; and, fitting with the observations of others, predation by Bdellovibrio generated a signal triggering expression of phenotypic resistance of the prey to Bdellovibrio.

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