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Dynamic metabolites: A bridge between plants and microbes.

Yaowu Su1, Juan Wang1, Wenyuan Gao1

  • 1School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China; Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University, Tianjin 300072, China.

The Science of the Total Environment
|July 21, 2023
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Summary

Plant metabolites shape soil microbiomes by influencing microbe recruitment through various factors. Understanding these plant-metabolite-microbe interactions is crucial for agricultural applications.

Keywords:
Plant primary metabolitesPlant secondary metabolitesPlant-microbe interactions

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Area of Science:

  • Microbiology
  • Plant Science
  • Biochemistry

Background:

  • Plant metabolites significantly influence soil microbiome composition.
  • Plant-microbe interactions and microbiome recruitment mechanisms are not fully understood.

Purpose of the Study:

  • To review the dynamic processes by which plant metabolites shape soil microbiomes.
  • To highlight the roles of plant primary metabolites (PPMs), phytohormones, and plant secondary metabolites (PSMs).
  • To identify current challenges and future research directions in plant-metabolite-microbe interactions.

Main Methods:

  • Literature review and synthesis of existing research on plant metabolites and soil microbiomes.
  • Categorization of factors influencing metabolite-mediated microbe assembly (physiographic, cultivar, phylogeny, environmental stress).
  • Discussion of the reciprocal beneficial effects of assembled microbes on plants.

Main Results:

  • Plant metabolites, including PPMs, phytohormones, and PSMs, dynamically shape soil microbial communities.
  • Microbe assembly is influenced by a complex interplay of physiographic, cultivar, phylogenetic, and environmental factors.
  • The microbes recruited by plants provide benefits widely utilized in agriculture.

Conclusions:

  • Plant metabolites are key recruiters of soil microbiomes, with significant agricultural implications.
  • Further research is needed to elucidate mechanisms, expand species studied, and quantify microbial abundance.
  • Understanding these interactions is vital for advancing sustainable agriculture and plant health.