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. 2010 Dec 2;6(12):e1001004. doi: 10.1371/journal.pcbi.1001004

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Egbert et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Placed in an environment with two sets of metabolizable resources ( located in the lower-right and located in the upper-right), the simulated bacteria move from an initial, even-distribution to the areas higher in concentration of either resource-pair. The insertion of (a chemical that inhibits the metabolism of ) causes the simulated bacteria to cease chemotaxis towards the no-longer metabolizable resources without influencing chemotaxis to the other attractants. Histogram A illustrates average distance to the non-inhibited () source. Histogram B shows the distance from the inhibited source (). As before, data is taken from 10 trials of 100 bacteria each. Plot C illustrates the spatial distribution of simulated bacteria in a typical trial.

Inline graphic — Placed in an environment with two sets of metabolizable resources ( located in the lower-right and located in the upper-right), the simulated bacteria move from an initial, even-distribution to the areas higher in concentration of either resource-pair. The insertion of (a chemical that inhibits the metabolism of ) causes the simulated bacteria to cease chemotaxis towards the no-longer metabolizable resources without influencing chemotaxis to the other attractants. Histogram A illustrates average distance to the non-inhibited () source. Histogram B shows the distance from the inhibited source (). As before, data is taken from 10 trials of 100 bacteria each. Plot C illustrates the spatial distribution of simulated bacteria in a typical trial.