Mapping the ecological networks of microbial communities

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Mapping the ecological networks of microbial communities

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Title: Mapping the ecological networks of microbial communities
Author: Xiao, Yandong; Angulo, Marco Tulio; Friedman, Jonathan; Waldor, Matthew K.; Weiss, Scott T.; Liu, Yang-Yu

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Citation: Xiao, Yandong, Marco Tulio Angulo, Jonathan Friedman, Matthew K. Waldor, Scott T. Weiss, and Yang-Yu Liu. 2017. “Mapping the ecological networks of microbial communities.” Nature Communications 8 (1): 2042. doi:10.1038/s41467-017-02090-2. http://dx.doi.org/10.1038/s41467-017-02090-2.
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Abstract: Mapping the ecological networks of microbial communities is a necessary step toward understanding their assembly rules and predicting their temporal behavior. However, existing methods require assuming a particular population dynamics model, which is not known a priori. Moreover, those methods require fitting longitudinal abundance data, which are often not informative enough for reliable inference. To overcome these limitations, here we develop a new method based on steady-state abundance data. Our method can infer the network topology and inter-taxa interaction types without assuming any particular population dynamics model. Additionally, when the population dynamics is assumed to follow the classic Generalized Lotka–Volterra model, our method can infer the inter-taxa interaction strengths and intrinsic growth rates. We systematically validate our method using simulated data, and then apply it to four experimental data sets. Our method represents a key step towards reliable modeling of complex, real-world microbial communities, such as the human gut microbiota.
Published Version: doi:10.1038/s41467-017-02090-2
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5725606/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34651958
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