Disturbance During Biofilm Community Succession Promotes Cooperation and Diversity
| Autor: | Marchesi, Douglas Hodgson, Andrew Smith, Claudio Avignone-Rossa, Nelli J. Beecroft, James P. Stratford |
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| Rok vydání: | 2018 |
| Předmět: |
0303 health sciences
geography geography.geographical_feature_category 030306 microbiology Ecology Ecology (disciplines) Biofilm Ecological succession Replicate Coral reef respiratory system biochemical phenomena metabolism and nutrition 15. Life on land Biology 03 medical and health sciences Disturbance (ecology) human activities Biodiversity management 030304 developmental biology Diversity (business) |
| DOI: | 10.1101/352914 |
| Popis: | Diversity-disturbance relationships have found widespread application in ecology, conservation and biodiversity management. In spite of their explanatory power, these conceptual frameworks have yet to be systematically applied to understanding succession in diverse microbial biofilms. Here we investigate community assembly in biofilms formed in replicate microbial bioelectrochemical systems using time-course sequencing of community 16S rRNA genes, corresponding to hundreds of operational taxonomic units (OTUs). For the first time we present a statistical model showing that a simple diversity-disturbance relationship can be used to explain dynamic changes in high diversity biofilm communities. This simple model reveals that succession in these systems is guided towards either a low diversity, generalist-dominated biofilm or a high diversity, cooperative-specialist biofilm, depending on the level of endogenous disturbance measured within the community. The pattern observed shows remarkable symmetry with findings from macro-scale communities such as grasslands, forests and coral reefs. |
| Databáze: | OpenAIRE |
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