What determines transfer of carbon from plants to mycorrhizal fungi?

© 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 244(2024), 4 vom: 17. Okt., Seite 1199-1215
1. Verfasser: Bunn, Rebecca A (VerfasserIn)
Weitere Verfasser: Corrêa, Ana, Joshi, Jaya, Kaiser, Christina, Lekberg, Ylva, Prescott, Cindy E, Sala, Anna, Karst, Justine
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Review comparative advantage functional equilibrium membrane transport mycorrhizas sanctions and rewards shading symbiosis transporters mehr... Carbon 7440-44-0
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520 |a Biological Market Models are common evolutionary frameworks to understand the maintenance of mutualism in mycorrhizas. 'Surplus C' hypotheses provide an alternative framework where stoichiometry and source-sink dynamics govern mycorrhizal function. A critical difference between these frameworks is whether carbon transfer from plants is regulated by nutrient transfer from fungi or through source-sink dynamics. In this review, we: provide a historical perspective; summarize studies that asked whether plants transfer more carbon to fungi that transfer more nutrients; conduct a meta-analysis to assess whether mycorrhizal plant growth suppressions are related to carbon transfer; and review literature on cellular mechanisms for carbon transfer. In sum, current knowledge does not indicate that carbon transfer from plants is directly regulated by nutrient delivery from fungi. Further, mycorrhizal plant growth responses were linked to nutrient uptake rather than carbon transfer. These findings are more consistent with 'Surplus C' hypotheses than Biological Market Models. However, we also identify research gaps, and future research may uncover a mechanism directly linking carbon and nutrient transfer. Until then, we urge caution when applying economic terminology to describe mycorrhizas. We present a synthesis of ideas, consider knowledge gaps, and suggest experiments to advance the field 
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700 1 |a Corrêa, Ana  |e verfasserin  |4 aut 
700 1 |a Joshi, Jaya  |e verfasserin  |4 aut 
700 1 |a Kaiser, Christina  |e verfasserin  |4 aut 
700 1 |a Lekberg, Ylva  |e verfasserin  |4 aut 
700 1 |a Prescott, Cindy E  |e verfasserin  |4 aut 
700 1 |a Sala, Anna  |e verfasserin  |4 aut 
700 1 |a Karst, Justine  |e verfasserin  |4 aut 
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