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Microbiome Migration from Soil to Leaves in Maize and Rice
Jiejia Ma1,2, Qianze Peng2, Silu Chen1,2
1Longping Branch, College of Biology, Hunan University, Changsha 410082, China.
Microorganisms
|April 26, 2025
Summary
Plants selectively assemble beneficial microbes from soil, influencing crop growth. Specific bacterial groups like Achromobacter enhance plant development, highlighting microbial migration
Area of Science:
- Plant-microbe interactions
- Microbiome research
- Agricultural science
Background:
- Plant-microbe interactions are vital for crop productivity.
- Mechanisms of host-specific microbiome assembly are not well understood.
- Understanding these interactions can improve sustainable agriculture.
Purpose of the Study:
- To investigate host-specific microbiome migration and functional assembly in rice and maize.
- To determine how plants selectively assemble microbes from a shared soil source.
- To assess the impact of a synthetic microbial community (SynCom) on plant growth.
Main Methods:
- 16S rRNA sequencing to analyze microbiome composition.
- Phenotypic assessments of plant growth.
- Isolation of phyllosphere strains and construction of a synthetic microbial community (SynCom).
- Inoculation of rice and maize with SynCom and analysis of microbial enrichment.
Main Results:
- Maize selectively enriched specific microbiota and functional traits in its phyllosphere and rhizosphere from a common soil source.
- SynCom inoculation significantly enhanced plant growth compared to mock inoculation.
- Specific bacterial genera, including Bacillus and Rhizobium, showed differential enrichment in maize compared to rice.
- Achromobacter strains, assembled by both rice and maize, were identified as key contributors to plant growth enhancement.
Conclusions:
- Plant species exert significant influence on microbial migration and assembly within their compartments.
- Microbial migration dynamics and functional assembly are crucial for harnessing plant-microbe interactions.
- The study provides insights into leveraging microbial communities for sustainable agriculture and enhanced crop productivity.
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