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Area of Science:

  • Agricultural Science
  • Microbiology
  • Environmental Science

Background:

  • Electroactive microorganisms (EAMs) offer novel applications in agriculture through extracellular electron transfer.
  • Their functions include nutrient cycling, biofertilization, pollutant degradation, and bioelectricity generation.
  • Soil microbial fuel cells demonstrate EAMs' potential in biosensing and bioremediation.

Purpose of the Study:

  • To review the role of EAMs in active soil management for regenerative agriculture.
  • To explore the concept of "gardening microorganisms" as programmable agents.
  • To position EAMs as a tool for creating climate-smart, resilient agroecosystems.

Main Methods:

  • Literature review of EAMs' functions and applications in soil systems.
  • Discussion of integrating microbial consortia engineering and bioelectronic scaffolds.
  • Analysis of EAMs in the context of circular nutrient recovery and waste valorisation.

Main Results:

  • EAMs facilitate nutrient recovery, waste valorisation, and enhance soil resilience.
  • Soils can be reframed as dynamic bioelectronic interfaces powered by EAMs.
  • The integration of EAMs enables intelligent, self-regulating soil systems.

Conclusions:

  • EAMs are pivotal for advancing regenerative agriculture and sustainable soil management.
  • By "gardening microorganisms," we can engineer soils for enhanced productivity and ecological balance.
  • EAMs contribute to climate-smart agroecosystems that sustain both productivity and environmental health.