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The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley

Lisa K. Mahdi, View ORCID ProfileShingo Miyauchi, View ORCID ProfileCharles Uhlmann, Ruben Garrido-Oter, View ORCID ProfileGregor Langen, Stephan Wawra, Yulong Niu, Senga Robertson-Albertyn, Davide Bulgarelli, Jane E. Parker, View ORCID ProfileAlga Zuccaro
doi: https://doi.org/10.1101/2021.03.18.435831
Lisa K. Mahdi
1University of Cologne, Institute for Plant Sciences, Cologne, Germany
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Shingo Miyauchi
2Max Planck Institute for Plant Breeding Research, Department of Plant Microbe Interactions, Cologne, Germany
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  • ORCID record for Shingo Miyauchi
Charles Uhlmann
2Max Planck Institute for Plant Breeding Research, Department of Plant Microbe Interactions, Cologne, Germany
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Ruben Garrido-Oter
2Max Planck Institute for Plant Breeding Research, Department of Plant Microbe Interactions, Cologne, Germany
3Cluster of Excellence on Plant Sciences (CEPLAS)
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Gregor Langen
1University of Cologne, Institute for Plant Sciences, Cologne, Germany
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Stephan Wawra
1University of Cologne, Institute for Plant Sciences, Cologne, Germany
3Cluster of Excellence on Plant Sciences (CEPLAS)
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Yulong Niu
2Max Planck Institute for Plant Breeding Research, Department of Plant Microbe Interactions, Cologne, Germany
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Senga Robertson-Albertyn
4University of Dundee, Plant Sciences, School of Life Sciences, Dundee, United Kingdom
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Davide Bulgarelli
4University of Dundee, Plant Sciences, School of Life Sciences, Dundee, United Kingdom
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Jane E. Parker
2Max Planck Institute for Plant Breeding Research, Department of Plant Microbe Interactions, Cologne, Germany
3Cluster of Excellence on Plant Sciences (CEPLAS)
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Alga Zuccaro
1University of Cologne, Institute for Plant Sciences, Cologne, Germany
3Cluster of Excellence on Plant Sciences (CEPLAS)
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  • ORCID record for Alga Zuccaro
  • For correspondence: azuccaro@uni-koeln.de
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Abstract

Plant root-associated bacteria can confer protection against pathogen infection. By contrast, the beneficial effects of root endophytic fungi and their synergistic interactions with bacteria remain poorly defined. We demonstrate that the combined action of a fungal root endophyte from a widespread taxon with core bacterial microbiota members provides synergistic protection against an aggressive soil-borne pathogen in Arabidopsis thaliana and barley. We additionally show early inter-kingdom growth promotion benefits which are host and microbiota composition dependent.

Highlights

  • The root endophytic fungus Serendipita vermifera can functionally replace core bacterial microbiota members in mitigating pathogen infection and disease symptoms.

  • S. vermifera additionally stabilizes and potentiates the protective activities of root-associated bacteria and mitigates the negative effects of a non-native bacterial community in A. thaliana.

  • Inter-kingdom synergistic beneficial effects do not require extensive host transcriptional reprogramming nor high levels of S. vermifera colonisation.

  • Inter-kingdom protective benefits are largely independent of the host while synergism leading to early inter-kingdom growth promotion is driven by host species and microbiota composition.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted March 18, 2021.
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The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley
Lisa K. Mahdi, Shingo Miyauchi, Charles Uhlmann, Ruben Garrido-Oter, Gregor Langen, Stephan Wawra, Yulong Niu, Senga Robertson-Albertyn, Davide Bulgarelli, Jane E. Parker, Alga Zuccaro
bioRxiv 2021.03.18.435831; doi: https://doi.org/10.1101/2021.03.18.435831
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The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley
Lisa K. Mahdi, Shingo Miyauchi, Charles Uhlmann, Ruben Garrido-Oter, Gregor Langen, Stephan Wawra, Yulong Niu, Senga Robertson-Albertyn, Davide Bulgarelli, Jane E. Parker, Alga Zuccaro
bioRxiv 2021.03.18.435831; doi: https://doi.org/10.1101/2021.03.18.435831

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