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<p>Soils host highly diverse microbial communities that regulate nutrient cycling, carbon storage, and ecosystem resilience, yet the mechanisms linking microbial diversity to function remain incompletely understood. Here we synthesize soil microbiome research through a function-centred framework based on recent studies across ecological, agricultural, and environmental systems. We identify four conserved functional axes, secondary metabolism, nutrient cycling, community interactions, and stress tolerance, that collectively govern ecosystem processes and environmental outcomes. Evidence indicates that these functions influence plant productivity, climate regulation, and pollutant transformation, although their expression is strongly context dependent. We propose that soil operates as a self-organizing system in which microbial interactions generate emergent ecosystem behaviour. This framework provides a basis for predictive, ecology-informed approaches to manage soil systems and to harness microbial functions for sustainable agriculture, environmental remediation, and climate mitigation.</p>

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Soil microbes are the tiny bioengineers running Earth’s underground factory

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月29日

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  • Suzanne Hassan-Dalléac,
  • Wafa Guiga,
  • Antonia Suau-Pernet

摘要

Soils host highly diverse microbial communities that regulate nutrient cycling, carbon storage, and ecosystem resilience, yet the mechanisms linking microbial diversity to function remain incompletely understood. Here we synthesize soil microbiome research through a function-centred framework based on recent studies across ecological, agricultural, and environmental systems. We identify four conserved functional axes, secondary metabolism, nutrient cycling, community interactions, and stress tolerance, that collectively govern ecosystem processes and environmental outcomes. Evidence indicates that these functions influence plant productivity, climate regulation, and pollutant transformation, although their expression is strongly context dependent. We propose that soil operates as a self-organizing system in which microbial interactions generate emergent ecosystem behaviour. This framework provides a basis for predictive, ecology-informed approaches to manage soil systems and to harness microbial functions for sustainable agriculture, environmental remediation, and climate mitigation.