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The Coexistence Relationship Between Plants and Soil Bacteria Based on Interdomain Ecological Network Analysis
Wei Cong1, Jingjing Yu1, Kai Feng2
1Key Laboratory of Biodiversity Conservation of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing, China.
Frontiers in Microbiology
|December 24, 2021
Summary
Plant-bacteria networks reveal unique soil microbial communities in Chinese forests. The tree Acer tetramerum acts as a key hub, stabilizing these crucial ecosystems.
Area of Science:
- Ecology
- Microbiology
- Network analysis
Background:
- Plant-soil microbial interactions are vital for ecosystem function but complex to study.
- Understanding these interdomain relationships is essential for ecosystem management.
Purpose of the Study:
- To construct and analyze an interdomain ecology network (IDEN) of plant-bacteria.
- To investigate plant-bacteria associations across diverse Chinese forest ecosystems.
- To identify key plant species influencing soil bacterial community structure.
Main Methods:
- Utilized SparCC for pairwise association analysis.
- Integrated plant surveys with soil microbial 16S rRNA sequencing.
- Applied network analysis to explore community structure and identify hubs.
Main Results:
- Identified associations between 48 plant species and soil bacteria.
- Observed significant modularity (p < 0.001) in the plant-bacteria network.
- Found a high proportion of unique soil bacterial operational taxonomy units (OTUs) at each site (43.08–76.28%).
- Highlighted Acer tetramerum as a network hub in mixed forests, suggesting a role in community stabilization.
Conclusions:
- Interdomain ecology networks offer a novel approach to studying plant-microbe relationships.
- Plant-bacteria associations are specific and vary significantly across forest types.
- Acer tetramerum plays a critical role in maintaining the stability of forest ecosystems.
Keywords:
16S rRNA high-throughput sequencingSparCC methodinterdomain ecological networksplant-bacteria coexistencetopological structureMore Related Videos
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