Resource–diversity relationships in bacterial communities reflect the network structure of microbial metabolism
Name
2020.09.12.294660v2.full.pdf
Description
Submitted version
Size
782.43 KB
Format
Adobe PDF
Checksum (MD5)
a75c70c5ff267c98da32ccc3aa8efa5a
Author(s)
Dal Bello, Martina
Lee, Hyunseok
Goyal, Akshit
Gore, Jeff
Date Issued
2021
Journal
Nature Ecology & Evolution
Publisher
Springer Science and Business Media LLC
Citation
Dal Bello, Martina, Lee, Hyunseok, Goyal, Akshit and Gore, Jeff. 2021. "Resource–diversity relationships in bacterial communities reflect the network structure of microbial metabolism." Nature Ecology & Evolution, 5 (10).
Version
Original manuscript
Abstract
The relationship between the number of available nutrients and community diversity is a central question in ecological research that remains unanswered. Here we studied the assembly of hundreds of soil-derived microbial communities on a wide range of well-defined resource environments, from single carbon sources to combinations of up to 16. We found that, while single resources supported multispecies communities varying from 8 to 40 taxa, mean community richness increased only one-by-one with additional resources. Cross-feeding could reconcile these seemingly contrasting observations, with the metabolic network seeded by the supplied resources explaining the changes in richness due to both the identity and the number of resources, as well as the distribution of taxa across different communities. By using a consumer-resource model incorporating the inferred cross-feeding network, we provide further theoretical support to our observations and a framework to link the type and number of environmental resources to microbial community diversity.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1038/S41559-021-01535-8
