Statistically learning the functional landscape of microbial communities
Statistically learning the functional landscape of microbial communities
复制标题
统计了解微生物群落的功能景观
DOI:
10.1038/s41559-023-02197-4
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发表时间:
2023
影响因子:
16.8
通讯作者:
Kuehn, Seppe
中科院分区:
文献类型:
--
作者:
Skwara, Abigail;Gowda, Karna;Yousef, Mahmoud;Diaz-Colunga, Juan;Raman, Arjun S.;Sanchez, Alvaro;Tikhonov, Mikhail;Kuehn, Seppe
Microbial consortia exhibit complex functional properties in contexts ranging from soils to bioreactors to human hosts. Understanding how community composition determines function is a major goal of microbial ecology. Here we address this challenge using the concept of community-function landscapes—analogues to fitness landscapes—that capture how changes in community composition alter collective function. Using datasets that represent a broad set of community functions, from production/degradation of specific compounds to biomass generation, we show that statistically inferred landscapes quantitatively predict community functions from knowledge of species presence or absence. Crucially, community-function landscapes allow prediction without explicit knowledge of abundance dynamics or interactions between species and can be accurately trained using measurements from a small subset of all possible community compositions. The success of our approach arises from the fact that empirical community-function landscapes appear to be not rugged, meaning that they largely lack high-order epistatic contributions that would be difficult to fit with limited data. Finally, we show that this observation holds across a wide class of ecological models, suggesting community-function landscapes can be efficiently inferred across a broad range of ecological regimes. Our results open the door to the rational design of consortia without detailed knowledge of abundance dynamics or interactions.
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