Summary
This review systematically examines how arbuscular mycorrhizal fungi facilitate selenium acquisition and metabolism in plants, addressing the gap in understanding molecular mechanisms underlying this symbiosis. The authors synthesise evidence on selenium transport networks, speciation, and stress-response integration to support development of selenium-enriched crops and sustainable agroecological practices. The work provides a theoretical framework for microbial-assisted biofortification strategies to address global dietary selenium deficiency.
Regional applicability
The findings are globally applicable, as selenium bioavailability varies geographically and dietary deficiency is widespread. The United Kingdom, whilst not specifically addressed, experiences variable soil selenium levels and could benefit from such biological fortification approaches in crop production systems.
Key measures
Molecular regulation pathways; selenium transport mechanisms; symbiotic signalling; selenium speciation; plant stress response integration
Outcomes reported
The review synthesises knowledge on molecular mechanisms of AMF-mediated selenium uptake, transport, and assimilation in plants, focusing on symbiotic signal perception, selenium transport networks, and speciation. It aims to establish a theoretical foundation for developing selenium-rich crops through biological approaches and enhanced stress tolerance.
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