Tracking the behaviour of bacteria as they group together on a surface reveals a 'rich-get-richer' mechanism in which polysaccharide deposition and cellular location amplify in a positive feedback loop. See Letter p.388
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Notes
*This article and the paper under discussion1 were published online on 8 May 2013.
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Römling, U. Bacterial communities as capitalist economies. Nature 497, 321–322 (2013). https://doi.org/10.1038/nature12103
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DOI: https://doi.org/10.1038/nature12103