Smets, Barth F
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AbstractThere is a growing interest in controlling-promoting or avoiding-the invasion of microbial communities by new community members. Resource availability and community structure have been reported as determinants of invasion success. However, most invasion studies do not adhere to a coherent and consistent terminology nor always include rigorous interpretations of the processes behind invasion. Therefore, we suggest that a consistent set of definitions and a rigorous conceptual framework are needed. We define invasion in a microbial community as the establishment of an alien microbial type in a resident community and argue how simple criteria to define aliens, residents, and alien establishment can be applied for a wide variety of communities. In addition, we suggest an adoption of the community ecology framework advanced by Vellend (2010) to clarify potential determinants of invasion. This framework identifies four fundamental processes that control community dynamics: dispersal, selection, drift and diversification. While selection has received ample attention in microbial community invasion research, the three other processes are often overlooked. Here, we elaborate on the relevance of all four processes and conclude that invasion experiments should be designed to elucidate the role of dispersal, drift and diversification, in order to obtain a complete picture of invasion as a community process.
CitationKinnunen M, Dechesne A, Proctor C, Hammes F, Johnson D, et al. (2016) A conceptual framework for invasion in microbial communities. The ISME Journal 10: 2773–2775. Available: http://dx.doi.org/10.1038/ismej.2016.75.
SponsorsThis perspective is an outcome of discourses during the cross-institutional projects MERMAID (an initial training network funded by the People Programme—Marie Skłodowska-Curie Actions- of the European Union's Seventh Framework Programme FP7/2007–2013/ under REA grant agreement no. 607492) and the Inter-University Attraction Pole (IUAP) project μ-manager funded by the Belgian Science Policy (BELSPO, 305 P7/25). We also acknowledge support from the King Abdullah University of Science and Technology.
JournalThe ISME Journal
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