Bacterial competition: surviving and thriving in the microbial jungle
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TLDR
A growing body of theoretical and experimental population studies indicates that the interactions within and between bacterial species can have a profound impact on the outcome of competition in nature.Abstract:
Most natural environments harbour a stunningly diverse collection of microbial species. In these communities, bacteria compete with their neighbours for space and resources. Laboratory experiments with pure and mixed cultures have revealed many active mechanisms by which bacteria can impair or kill other microorganisms. In addition, a growing body of theoretical and experimental population studies indicates that the interactions within and between bacterial species can have a profound impact on the outcome of competition in nature. The next challenge is to integrate the findings of these laboratory and theoretical studies and to evaluate the predictions that they generate in more natural settings.read more
Citations
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Coexistence and Pattern Formation in Bacterial Mixtures with Contact-Dependent Killing.
TL;DR: In this paper, the authors used a population dynamics model for two interacting bacterial strains and found that coexistence can be made possible by the interplay of contact-dependent killing and long-range growth inhibition, leading to the formation of various cellular patterns.
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Pore-scale modeling of competition and cooperation of multispecies biofilms for nutrients in changing environments
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Enrichment of Clostridia enhances Geobacter population and electron harvesting in a complex electroactive biofilm.
TL;DR: In this paper, secondary electroactive biofilms were formed on carbon electrodes from Desulfuromonas-dominated inoculum of pre-formed bioanodes, and the performance of primary bio-anodes when the planktonic community was conserved, a Clostridium enrichment allowed to restore the performance in maximal current densities promoting an increase of Geobacter population.
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