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Fungal community assembly in drought-stressed sorghum shows stochasticity, selection, and universal ecological dynamics

Author

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  • Cheng Gao

    (University of California)

  • Liliam Montoya

    (University of California)

  • Ling Xu

    (University of California
    Plant Gene Expression Center, US Department of Agriculture-Agricultural Research Service)

  • Mary Madera

    (University of California)

  • Joy Hollingsworth

    (University of California Kearney Agricultural Research & Extension Center)

  • Elizabeth Purdom

    (University of California)

  • Vasanth Singan

    (Department of Energy Joint Genome Institute, 1 Cyclotron Rd.)

  • John Vogel

    (Department of Energy Joint Genome Institute, 1 Cyclotron Rd.)

  • Robert B. Hutmacher

    (University of California West Side Research & Extension Center, UC Davis Department of Plant Sciences)

  • Jeffery A. Dahlberg

    (University of California Kearney Agricultural Research & Extension Center)

  • Devin Coleman-Derr

    (University of California
    Plant Gene Expression Center, US Department of Agriculture-Agricultural Research Service)

  • Peggy G. Lemaux

    (University of California)

  • John W. Taylor

    (University of California)

Abstract

Community assembly of crop-associated fungi is thought to be strongly influenced by deterministic selection exerted by the plant host, rather than stochastic processes. Here we use a simple, sorghum system with abundant sampling to show that stochastic forces (drift or stochastic dispersal) act on fungal community assembly in leaves and roots early in host development and when sorghum is drought stressed, conditions when mycobiomes are small. Unexpectedly, we find no signal for stochasticity when drought stress is relieved, likely due to renewed selection by the host. In our experimental system, the host compartment exerts the strongest effects on mycobiome assembly, followed by the timing of plant development and lastly by plant genotype. Using a dissimilarity-overlap approach, we find a universality in the forces of community assembly of the mycobiomes of the different sorghum compartments and in functional guilds of fungi.

Suggested Citation

  • Cheng Gao & Liliam Montoya & Ling Xu & Mary Madera & Joy Hollingsworth & Elizabeth Purdom & Vasanth Singan & John Vogel & Robert B. Hutmacher & Jeffery A. Dahlberg & Devin Coleman-Derr & Peggy G. Lema, 2020. "Fungal community assembly in drought-stressed sorghum shows stochasticity, selection, and universal ecological dynamics," Nature Communications, Nature, vol. 11(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-13913-9
    DOI: 10.1038/s41467-019-13913-9
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    Cited by:

    1. Cheng Gao & Ling Xu & Liliam Montoya & Mary Madera & Joy Hollingsworth & Liang Chen & Elizabeth Purdom & Vasanth Singan & John Vogel & Robert B. Hutmacher & Jeffery A. Dahlberg & Devin Coleman-Derr & , 2022. "Co-occurrence networks reveal more complexity than community composition in resistance and resilience of microbial communities," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Pengfa Li & Leho Tedersoo & Thomas W. Crowther & Baozhan Wang & Yu Shi & Lu Kuang & Ting Li & Meng Wu & Ming Liu & Lu Luan & Jia Liu & Dongzhen Li & Yongxia Li & Songhan Wang & Muhammad Saleem & Alex , 2023. "Global diversity and biogeography of potential phytopathogenic fungi in a changing world," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Xue Jin & Huiting Jia & Lingyi Ran & Fengzhi Wu & Junjie Liu & Klaus Schlaeppi & Francisco Dini-Andreote & Zhong Wei & Xingang Zhou, 2024. "Fusaric acid mediates the assembly of disease-suppressive rhizosphere microbiota via induced shifts in plant root exudates," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    4. Xiaolong Lin & Zongmu Yao & Xinguang Wang & Shangqi Xu & Chunjie Tian & Lei Tian, 2021. "Water-Covered Depth with the Freeze–Thaw Cycle Influences Fungal Communities on Rice Straw Decomposition," Agriculture, MDPI, vol. 11(11), pages 1-16, November.

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