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Related Experiment Video

Updated: Jul 25, 2025

A Gnotobiotic System for Studying Microbiome Assembly in the Phyllosphere and in Vegetable Fermentation
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Core community drives phyllosphere bacterial diversity and function in multiple ecosystems.

Ran Xue1, Shan Liu2, Erinne Stirling3

  • 1Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, 310058, China.

The Science of the Total Environment
|June 30, 2023
PubMed
Summary

A robust regional core bacterial community exists in plant phyllospheres across diverse ecosystems. This core community, comprising 29 OTUs, maintains microbial structure and function despite environmental variations.

Keywords:
Co-occurrence patternCore communityEnvironmental heterogeneityFunctional structurePhyllosphere

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Area of Science:

  • Microbial ecology
  • Plant-microbe interactions
  • Ecosystem science

Background:

  • The phyllosphere hosts diverse microorganisms influenced by various factors.
  • Understanding microbial community structure across ecosystems is crucial.
  • The existence of a continental-scale core phyllosphere community remains unclear.

Purpose of the Study:

  • To identify a regional core bacterial community in plant phyllospheres.
  • To characterize the importance of this core community in maintaining structure and function.
  • To assess the core community's resilience to environmental heterogeneity.

Main Methods:

  • Collected 287 phyllosphere bacterial communities from seven distinct ecosystems in east China.
  • Analyzed bacterial richness and community structure.
  • Investigated the role of core communities in nutrient metabolism and functional potential.

Main Results:

  • Identified a similar regional core community of 29 OTUs across all seven ecosystems, comprising 44.9% of total abundance.
  • The core community was less affected by environmental variables and network connections compared to non-core OTUs.
  • The core community exhibited significant nutrient metabolism functions with low functional redundancy.

Conclusions:

  • A robust regional core phyllosphere bacterial community persists across diverse ecosystems and spatial scales.
  • This core community plays a pivotal role in maintaining microbial community structure and function.
  • Core communities are essential for phyllosphere stability despite environmental heterogeneity.