Title |
An experimental model for the spatial structuring and selection of bacterial communities
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Published in |
Journal of Microbiological Methods, August 2011
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DOI | 10.1016/j.mimet.2011.08.010 |
Pubmed ID | |
Authors |
Torsten Thomas, Ilona Kindinger, Dan Yu, Meera Esvaran, Linda Blackall, Hugh Forehead, Craig R. Johnson, Mike Manefield |
Abstract |
Community-level selection is an important concept in evolutionary biology and has been predicted to arise in systems that are spatially structured. Here we develop an experimental model for spatially-structured bacterial communities based on coaggregating strains and test their relative fitness under a defined selection pressure. As selection we apply protozoan grazing in a defined, continuous culturing system. We demonstrate that a slow-growing bacterial strain Blastomonas natatoria 2.1, which forms coaggregates with Micrococcus luteus, can outcompete a fast-growing, closely related strain Blastomonas natatoria 2.8 under conditions of protozoan grazing. The competitive benefit provided by spatial structuring has implications for the evolution of natural bacterial communities in the environment. |
X Demographics
Geographical breakdown
Country | Count | As % |
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Netherlands | 1 | 100% |
Demographic breakdown
Type | Count | As % |
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Scientists | 1 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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Denmark | 1 | 7% |
Unknown | 13 | 93% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 6 | 43% |
Student > Bachelor | 2 | 14% |
Researcher | 2 | 14% |
Student > Master | 1 | 7% |
Student > Doctoral Student | 1 | 7% |
Other | 0 | 0% |
Unknown | 2 | 14% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 7 | 50% |
Immunology and Microbiology | 2 | 14% |
Biochemistry, Genetics and Molecular Biology | 1 | 7% |
Environmental Science | 1 | 7% |
Unknown | 3 | 21% |