Data from: Microbial expansion-collision dynamics promote cooperation and coexistence on surfaces

Shuang Xu & J. David Van Dyken
Microbes colonizing a surface often experience colony growth dynamics characterized by an initial phase of spatial clonal expansion followed by collision between neighboring colonies to form potentially genetically heterogeneous boundaries. For species with life cycles consisting of repeated surface colonization and dispersal, these spatially-explicit “expansion-collision dynamics” generate periodic transitions between two distinct selective regimes, “expansion competition” and “boundary competition”, each one favoring a different growth strategy. We hypothesized that this dynamic could promote stable coexistence...
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