Predators promote defence of rhizosphere bacterial populations by selective feeding on non-toxic cheaters

@article{Jousset2009PredatorsPD,
  title={Predators promote defence of rhizosphere bacterial populations by selective feeding on non-toxic cheaters},
  author={Alexandre Jousset and Laur{\`e}ne Rochat and Maria P{\'e}chy-Tarr and Christoph J. Keel and Stefan Scheu and Michael Bonkowski},
  journal={The ISME Journal},
  year={2009},
  volume={3},
  pages={666-674}
}
Soil pseudomonads increase their competitiveness by producing toxic secondary metabolites, which inhibit competitors and repel predators. Toxin production is regulated by cell–cell signalling and efficiently protects the bacterial population. However, cell communication is unstable, and natural populations often contain signal blind mutants displaying an altered phenotype defective in exoproduct synthesis. Such mutants are weak competitors, and we hypothesized that their fitness depends on… CONTINUE READING

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