Additional file 10.

Device type-4 where the two habitats where inoculated in reverse orientation. (A) Kymograph of fluorescence intensity for a device of type-4, where only the two outer most habitats are used. The orientation of inoculation was reversed for the two habitats, i.e. the red strain was inoculated from the right into habitat 1 and from left into habitat 2, see panel B. Note that the kymograph of habitat 2 is horizontally mirrored to reveal the similarity with habitat 1. (B) Schematic of the inoculation locations.

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van Vliet et al. BMC Microbiology 2014 14:116   doi:10.1186/1471-2180-14-116