Cell-cell contacts confine public goods diffusion inside Pseudomonas aeruginosa clonal microcolonies.

@article{Julou2013CellcellCC,
  title={Cell-cell contacts confine public goods diffusion inside Pseudomonas aeruginosa clonal microcolonies.},
  author={Thomas Julou and Thierry Mora and Laurent Guillon and Vincent Croquette and Isabelle J Schalk and David Bensimon and Nicolas Desprat},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2013},
  volume={110 31},
  pages={
          12577-82
        }
}
The maintenance of cooperation in populations where public goods are equally accessible to all but inflict a fitness cost on individual producers is a long-standing puzzle of evolutionary biology. An example of such a scenario is the secretion of siderophores by bacteria into their environment to fetch soluble iron. In a planktonic culture, these molecules diffuse rapidly, such that the same concentration is experienced by all bacteria. However, on solid substrates, bacteria form dense and… CONTINUE READING

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