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Title: Life history strategies of soil bacterial communities across global terrestrial biomes

Abstract

The life history strategies of soil microbes determine their metabolic potential and their response to environmental changes. Yet these strategies remain poorly understood. Here we use shotgun metagenomes from terrestrial biomes to characterize overarching covariations of the genomic traits that capture dominant life history strategies in bacterial communities. The emerging patterns show a triangle of life history strategies shaped by two trait dimensions, supporting previous theoretical and isolate-based studies. The first dimension ranges from streamlined genomes with simple metabolisms to larger genomes and expanded metabolic capacities. As metabolic capacities expand, bacterial communities increasingly differentiate along a second dimension that reflects a trade-off between increasing capacities for environmental responsiveness or for nutrient recycling. Random forest analyses show that soil pH, C:N ratio and precipitation patterns together drive the dominant life history strategy of soil bacterial communities and their biogeographic distribution. Finally, our findings provide a trait-based framework to compare life history strategies of soil bacteria.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3];  [4]; ORCiD logo [2];  [2]; ORCiD logo [2]
  1. Univ. of California, Irvine, CA (United States); Montpellier Univ. 2 (France). UMR Eco&Sols; French National Research Institute for Agriculture, Food and Environment (INRAE), Champenoux (France); French Agricultural Research Centre for International Development (CIRAD); Research and Development Institute (IRD), Montpellier (France)
  2. Univ. of California, Irvine, CA (United States)
  3. Swedish Univ. of Agricultural Sciences, Uppsala (Sweden); University of Tartu (Estonia)
  4. Quadram Institute, Norwich (United Kingdom); Earlham Institute, Norwich (United Kingdom)
Publication Date:
Research Org.:
Univ. of California, Irvine, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science (BSS)
OSTI Identifier:
2263428
Grant/Contract Number:  
SC0020382; SC0016410
Resource Type:
Accepted Manuscript
Journal Name:
Nature Microbiology
Additional Journal Information:
Journal Volume: 8; Journal Issue: 11; Journal ID: ISSN 2058-5276
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; biogeography; metagenomics; microbial ecology

Citation Formats

Piton, Gabin, Allison, Steven D., Bahram, Mohammad, Hildebrand, Falk, Martiny, Jennifer B. H., Treseder, Kathleen K., and Martiny, Adam C. Life history strategies of soil bacterial communities across global terrestrial biomes. United States: N. p., 2023. Web. doi:10.1038/s41564-023-01465-0.
Piton, Gabin, Allison, Steven D., Bahram, Mohammad, Hildebrand, Falk, Martiny, Jennifer B. H., Treseder, Kathleen K., & Martiny, Adam C. Life history strategies of soil bacterial communities across global terrestrial biomes. United States. https://doi.org/10.1038/s41564-023-01465-0
Piton, Gabin, Allison, Steven D., Bahram, Mohammad, Hildebrand, Falk, Martiny, Jennifer B. H., Treseder, Kathleen K., and Martiny, Adam C. Thu . "Life history strategies of soil bacterial communities across global terrestrial biomes". United States. https://doi.org/10.1038/s41564-023-01465-0.
@article{osti_2263428,
title = {Life history strategies of soil bacterial communities across global terrestrial biomes},
author = {Piton, Gabin and Allison, Steven D. and Bahram, Mohammad and Hildebrand, Falk and Martiny, Jennifer B. H. and Treseder, Kathleen K. and Martiny, Adam C.},
abstractNote = {The life history strategies of soil microbes determine their metabolic potential and their response to environmental changes. Yet these strategies remain poorly understood. Here we use shotgun metagenomes from terrestrial biomes to characterize overarching covariations of the genomic traits that capture dominant life history strategies in bacterial communities. The emerging patterns show a triangle of life history strategies shaped by two trait dimensions, supporting previous theoretical and isolate-based studies. The first dimension ranges from streamlined genomes with simple metabolisms to larger genomes and expanded metabolic capacities. As metabolic capacities expand, bacterial communities increasingly differentiate along a second dimension that reflects a trade-off between increasing capacities for environmental responsiveness or for nutrient recycling. Random forest analyses show that soil pH, C:N ratio and precipitation patterns together drive the dominant life history strategy of soil bacterial communities and their biogeographic distribution. Finally, our findings provide a trait-based framework to compare life history strategies of soil bacteria.},
doi = {10.1038/s41564-023-01465-0},
journal = {Nature Microbiology},
number = 11,
volume = 8,
place = {United States},
year = {Thu Oct 05 00:00:00 EDT 2023},
month = {Thu Oct 05 00:00:00 EDT 2023}
}

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