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Elevated temperature and CO2 strongly affect the growth strategies of soil bacteria

Author

Listed:
  • Yang Ruan

    (Lanzhou University
    Nanjing Agricultural University)

  • Yakov Kuzyakov

    (University of Goettingen
    Peoples Friendship University of Russia (RUDN University))

  • Xiaoyu Liu

    (Nanjing Agricultural University)

  • Xuhui Zhang

    (Nanjing Agricultural University)

  • Qicheng Xu

    (Nanjing Agricultural University)

  • Junjie Guo

    (Nanjing Agricultural University)

  • Shiwei Guo

    (Nanjing Agricultural University)

  • Qirong Shen

    (Nanjing Agricultural University)

  • Yunfeng Yang

    (Tsinghua University)

  • Ning Ling

    (Lanzhou University
    Nanjing Agricultural University)

Abstract

The trait-based strategies of microorganisms appear to be phylogenetically conserved, but acclimation to climate change may complicate the scenario. To study the roles of phylogeny and environment on bacterial responses to sudden moisture increases, we determine bacterial population-specific growth rates by 18O-DNA quantitative stable isotope probing (18O-qSIP) in soils subjected to a free-air CO2 enrichment (FACE) combined with warming. We find that three growth strategies of bacterial taxa – rapid, intermediate and slow responders, defined by the timing of the peak growth rates – are phylogenetically conserved, even at the sub-phylum level. For example, members of class Bacilli and Sphingobacteriia are mainly rapid responders. Climate regimes, however, modify the growth strategies of over 90% of species, partly confounding the initial phylogenetic pattern. The growth of rapid bacterial responders is more influenced by phylogeny, whereas the variance for slow responders is primarily explained by environmental conditions. Overall, these results highlight the role of phylogenetic and environmental constraints in understanding and predicting the growth strategies of soil microorganisms under global change scenarios.

Suggested Citation

  • Yang Ruan & Yakov Kuzyakov & Xiaoyu Liu & Xuhui Zhang & Qicheng Xu & Junjie Guo & Shiwei Guo & Qirong Shen & Yunfeng Yang & Ning Ling, 2023. "Elevated temperature and CO2 strongly affect the growth strategies of soil bacteria," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36086-y
    DOI: 10.1038/s41467-023-36086-y
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    References listed on IDEAS

    as
    1. Bram W. Stone & Junhui Li & Benjamin J. Koch & Steven J. Blazewicz & Paul Dijkstra & Michaela Hayer & Kirsten S. Hofmockel & Xiao-Jun Allen Liu & Rebecca L. Mau & Ember M. Morrissey & Jennifer Pett-Ri, 2021. "Nutrients cause consolidation of soil carbon flux to small proportion of bacterial community," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    2. Miltiadis Iatrou & Christos Karydas & George Iatrou & Ioannis Pitsiorlas & Vassilis Aschonitis & Iason Raptis & Stelios Mpetas & Kostas Kravvas & Spiros Mourelatos, 2021. "Topdressing Nitrogen Demand Prediction in Rice Crop Using Machine Learning Systems," Agriculture, MDPI, vol. 11(4), pages 1-17, April.
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    4. S. Hu & F. S. Chapin & M. K. Firestone & C. B. Field & N. R. Chiariello, 2001. "Nitrogen limitation of microbial decomposition in a grassland under elevated CO2," Nature, Nature, vol. 409(6817), pages 188-191, January.
    5. Bram W. Stone & Junhui Li & Benjamin J. Koch & Steven J. Blazewicz & Paul Dijkstra & Michaela Hayer & Kirsten S. Hofmockel & Xiao-Jun Allen Liu & Rebecca L. Mau & Ember M. Morrissey & Jennifer Pett-Ri, 2021. "Author Correction: Nutrients cause consolidation of soil carbon flux to small proportion of bacterial community," Nature Communications, Nature, vol. 12(1), pages 1-1, December.
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