Mechanisms of nutrient transport across interfaces in arbuscular mycorrhizas |
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Authors: | Ferrol N. Barea J.M. Azcón-Aguilar C. |
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Affiliation: | (1) Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Profesor Albareda 1, 18008 Granada, Spain |
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Abstract: | Bidirectional nutrient transfer between the plant and the fungus is a key feature of arbuscular mycorrhizal symbiosis. The major nutrients exchanged between the symbiotic partners are reduced carbon, assimilated through the plant photosynthesis and phosphate, taken up by the fungal hyphae exploring soil microhabitats. This nutrient exchange takes place across the symbiotic interfaces which are bordered by the plant and fungal plasma membranes. This review provides an overview of the current knowledge of the mechanisms underlying nutrient transport processes in the symbiosis, with special emphasis on recent developments in the molecular biology of the plant and fungal primary (H+-ATPases) and secondary transporters. |
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Keywords: | arbuscular mycorrhizas ATPases gene expression nutrient transporters symbiotic interfaces |
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