Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor
Sorghum bicolor is a promising bioenergy feedstock with high biomass production and unusual tolerance for stresses, such as water and nutrient limitation. Although the membership of the sorghum microbiome in response to stress has been explored, relatively little is known about how microbe–microbe n...
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The American Phytopathological Society
2024-11-01
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| Series: | Phytobiomes Journal |
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| Online Access: | https://apsjournals.apsnet.org/doi/10.1094/PBIOMES-02-24-0012-R |
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| author | Elle M. Barnes Kyle Hartman Dawn Chiniquy Wenting Zhao Peng Liu Cody Creech Daniel P. Schachtman Susannah G. Tringe |
| author_facet | Elle M. Barnes Kyle Hartman Dawn Chiniquy Wenting Zhao Peng Liu Cody Creech Daniel P. Schachtman Susannah G. Tringe |
| author_sort | Elle M. Barnes |
| collection | DOAJ |
| description | Sorghum bicolor is a promising bioenergy feedstock with high biomass production and unusual tolerance for stresses, such as water and nutrient limitation. Although the membership of the sorghum microbiome in response to stress has been explored, relatively little is known about how microbe–microbe networks change under water- or nutrient-limited conditions. This is important because network changes can indicate impacts on the functionality and stability of microbial communities. We performed network-based analysis on the core bacterial and archaeal community of an agronomically promising high biomass bioenergy genotype, Grassl, grown under nitrogen and water stress. Stress caused relatively minor changes in bacterial abundances within soil, rhizosphere, and endosphere communities but led to significant changes in bacterial network structure and modularity. We found a complete reorganization of network roles in all plant compartments, as well as an increase in the modularity and proportion of positive associations, which potentially could represent coexistence and cooperation in the sorghum bacterial/archaeal community under stress. Although stressors are often believed to be destabilizing, we found stressed networks were as or more stable than non-stressed networks, likely due to their redundancy and compartmentalization. Together, these findings support the idea that both sorghum and its bacterial/archaeal community can be resilient to future environmental stressors. [Figure: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY 4.0 International license. |
| format | Article |
| id | doaj-art-4f3c1003bd9f44bb884b9d758caf0a9d |
| institution | Kabale University |
| issn | 2471-2906 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | The American Phytopathological Society |
| record_format | Article |
| series | Phytobiomes Journal |
| spelling | doaj-art-4f3c1003bd9f44bb884b9d758caf0a9d2024-11-23T17:01:49ZengThe American Phytopathological SocietyPhytobiomes Journal2471-29062024-11-018449951110.1094/PBIOMES-02-24-0012-RAbiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolorElle M. Barnes0Kyle Hartman1Dawn Chiniquy2Wenting Zhao3Peng Liu4Cody Creech5Daniel P. Schachtman6Susannah G. Tringe7Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, CADepartment of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, CAEnvironmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CADepartment of Statistics, Iowa State University, Ames, IADepartment of Statistics, Iowa State University, Ames, IADepartment of Agronomy and Horticulture and Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NEDepartment of Agronomy and Horticulture and Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NEDepartment of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, CASorghum bicolor is a promising bioenergy feedstock with high biomass production and unusual tolerance for stresses, such as water and nutrient limitation. Although the membership of the sorghum microbiome in response to stress has been explored, relatively little is known about how microbe–microbe networks change under water- or nutrient-limited conditions. This is important because network changes can indicate impacts on the functionality and stability of microbial communities. We performed network-based analysis on the core bacterial and archaeal community of an agronomically promising high biomass bioenergy genotype, Grassl, grown under nitrogen and water stress. Stress caused relatively minor changes in bacterial abundances within soil, rhizosphere, and endosphere communities but led to significant changes in bacterial network structure and modularity. We found a complete reorganization of network roles in all plant compartments, as well as an increase in the modularity and proportion of positive associations, which potentially could represent coexistence and cooperation in the sorghum bacterial/archaeal community under stress. Although stressors are often believed to be destabilizing, we found stressed networks were as or more stable than non-stressed networks, likely due to their redundancy and compartmentalization. Together, these findings support the idea that both sorghum and its bacterial/archaeal community can be resilient to future environmental stressors. [Figure: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY 4.0 International license.https://apsjournals.apsnet.org/doi/10.1094/PBIOMES-02-24-0012-Rabiotic stressbioenergydroughtmicrobe–microbe associationsnitrogen limitationplant microbiome |
| spellingShingle | Elle M. Barnes Kyle Hartman Dawn Chiniquy Wenting Zhao Peng Liu Cody Creech Daniel P. Schachtman Susannah G. Tringe Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor Phytobiomes Journal abiotic stress bioenergy drought microbe–microbe associations nitrogen limitation plant microbiome |
| title | Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor |
| title_full | Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor |
| title_fullStr | Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor |
| title_full_unstemmed | Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor |
| title_short | Abiotic Stress Reorganizes Rhizosphere and Endosphere Network Structure of Sorghum bicolor |
| title_sort | abiotic stress reorganizes rhizosphere and endosphere network structure of sorghum bicolor |
| topic | abiotic stress bioenergy drought microbe–microbe associations nitrogen limitation plant microbiome |
| url | https://apsjournals.apsnet.org/doi/10.1094/PBIOMES-02-24-0012-R |
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