Mycorrhizal Fungi and Plant Interactions

Mycorrhizal fungi form intimate partnerships with the roots of most land plants, exchanging soil-derived nutrients—particularly phosphorus and nitrogen—for plant-produced sugars, a relationship that underpins much of terrestrial ecosystem functioning. Researchers study how the staggering diversity of these fungi shapes plant community structure, influences soil biota, and scales up to affect global nutrient cycles and biodiversity patterns. DNA barcoding has recently expanded the ability to survey fungal communities in situ, revealing that the identity and abundance of mycorrhizal partners can dramatically alter plant health and ecosystem resilience in ways that classical methods missed. Active questions include how these symbiotic networks respond to land-use change and climate shifts, and whether managing fungal community composition could offer practical levers for improving agricultural sustainability.

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Keywords

Mycorrhizal FungiFungal DiversityPlant InteractionsSoil BiotaSymbiotic RelationshipsEcosystem Functioning