Mycorrhizal Symbiosis
Mycorrhizal Symbiosis - Related Videos
07:43
Production of Arbuscular Mycorrhizal (AM) Fungal Inoculum and Phenotypic Evaluation of Rice and AM Symbiosis Under Saline Conditions
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2025
This article describes a protocol for generating arbuscular mycorrhizal (AM) fungi inoculum to investigate AM-enhanced salt stress tolerance in rice.
00:58
Symbiosis
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2026
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
11:28
Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community
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Cited by 1 •
2007
Jared Leadbetter takes us for a nature walk through the diversity of life resident in the termite hindgut - a microenvironment containing 250 different species found nowhere else on Earth. Jared reveals that the symbiosis exhibited by this system is multi-layered and involves not only a relationship between the termite and its gut inhabitants, but also involves a complex web of symbiosis among the gut microbes themselves.
09:17
Investigation of Plant Interactions Across Common Mycorrhizal Networks Using Rotated Cores
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Cited by 7 •
2019
Most plants within communities likely are interconnected by arbuscular mycorrhizal (AM) fungi, but mediation of plant interactions by them has been investigated primarily by growing plants with versus without mycorrhizas. We present a method to manipulate common mycorrhizal networks among mycorrhizal plants to investigate their consequences for plant interactions.
06:43
Inoculating and Observing Arbuscular Mycorrhizal Cultures on Superabsorbent Polymer-Based Autotrophic Systems
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Cited by 1 •
2024
Here, we describe a simple and inexpensive technique for inoculating and observing arbuscular mycorrhizal fungi in superabsorbent polymer-based autotrophic systems.
FAQs
The key spatial advantage comes from fungal hyphae, extensions that grow beyond the root surface. They reach soil volumes that roots alone may not explore, creating additional access to water and minerals. This expanded foraging zone helps explain why the association can influence plant nutrition and growth, particularly where phosphorus availability affects acquisition.
Carbon exchange sustains the partnership in both directions. Plants provide fungi with carbon compounds made during photosynthesis, while the fungal partner contributes to the plant’s access to soil resources. This exchange links plant carbon production with belowground nutrient acquisition, creating a biological connection between photosynthetic activity aboveground and resource use in soil.
Phosphorus is especially important because fungal extensions can increase the soil volume explored for this mineral. The same expanded reach can improve access to water, helping explain reported effects on drought tolerance. These benefits do not mean every stress disappears; instead, the association can strengthen plant performance under particular nutritional or soil-stress conditions.
At the ecosystem level, fungal networks matter beyond individual plants. They contribute to nutrient cycling and soil structure, while changes in mycorrhizal associations can help explain patterns in plant community dynamics. Biology therefore examines the partnership at several scales, from exchanges between roots and fungi to effects on soil processes and plant community composition.
Researchers consider this symbiosis in sustainable agriculture when they want to support plant nutrition while reducing reliance on chemical fertilizers. Its relevance lies in using a biological relationship to improve access to soil resources rather than viewing fertility only as an external input. The approach connects root biology with practical goals for crop production and resource management.
In ecosystem restoration, mycorrhizal symbiosis connects plant establishment with belowground ecosystem function. Its potential value includes supporting plant growth and nutrition while also contributing to soil structure and nutrient cycling. Studying these linked effects can help explain how restored plant communities develop and why fungal associations matter for recovery beyond the individual plant.