Chemotaxis as an emergent property of a swarm.

@article{Taylor2008ChemotaxisAA,
  title={Chemotaxis as an emergent property of a swarm.},
  author={Rion G Taylor and Roy D. Welch},
  journal={Journal of bacteriology},
  year={2008},
  volume={190 20},
  pages={6811-6}
}
We have characterized and quantified a form of bacterial chemotaxis that manifests only as an emergent property by measuring symmetry breaking in a swarm of Myxococcus xanthus exposed to a two-dimensional nutrient gradient from within an agar substrate. M. xanthus chemotaxis requires cell-cell contact and coordinated motility, as individual motile cells exhibit only nonvectorial movement in the presence of a nutrient gradient. Genes that specifically affect M. xanthus chemotaxis include at… CONTINUE READING

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