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Microbiomes in agroecosystem: Diversity, function and assembly mechanisms.

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  • 1College of Urban and Environmental Sciences, Peking University, Beijing, People's Republic of China.

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|October 2, 2022
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Summary
This summary is machine-generated.

Soil microbes drive crucial ecological processes and influence crop health. This review explores how environmental factors and crop genetics shape these vital soil and plant microbiomes in agricultural settings.

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Area of Science:

  • Agricultural Science
  • Microbiology
  • Ecology

Background:

  • Soils harbor immense microbial biodiversity essential for ecological processes and plant microbiome development.
  • Crop-associated microbiomes significantly impact plant performance, including nutrient uptake, disease resistance, and stress tolerance.
  • Current knowledge of soil and plant microbiomes is largely derived from natural ecosystems, with less focus on agroecosystems.

Purpose of the Study:

  • To review current knowledge on the diversity and function of microbial communities in agroecosystem soil-plant continuum.
  • To characterize ecological mechanisms governing soil and crop microbiome assembly.
  • To explore the roles of crop host and environmental factors in shaping microbiome structure and interactions.

Main Methods:

  • Review of existing literature on soil and crop microbiomes in agroecosystems.
  • Analysis of factors influencing microbiome structure, co-occurrence patterns, and crop-microbiome interactions.
  • Illustration of deterministic vs. stochastic processes in microbial community assembly.

Main Results:

  • Identified key factors like plant species, developmental stage, pathogen invasion, and land management shaping microbiomes.
  • Described potential sources and keystone taxa of crop microbiomes.
  • Highlighted the interplay between deterministic and stochastic processes in microbial community assembly under various conditions.

Conclusions:

  • Understanding soil-plant continuum microbiomes is crucial for sustainable agriculture.
  • Further research is needed to elucidate microbial community assembly and interactions in agroecosystems.
  • Identifying keystone taxa and understanding assembly mechanisms can optimize crop microbiome engineering.