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Exchange of Carbohydrates Between Symbionts in Ectomycorrhiza

  • Chapter
Fungal Associations

Part of the book series: The Mycota ((MYCOTA,volume 9))

Abstract

The nutritive relationships in ectomycorrhizas are of dual nature. Fungal hyphae explore the soil for areas not already depleted of mobile nutrients by the plant roots and take up poorly mobile nutrients such as inorganic phosphate or ammonium via local patches. These nutrients are then either transported via conducting structures (rhizomorphs) toward the host root directly or after assimilation (ammonium). In return, the host plant delivers photoassimilates which are used for fungal growth, for delivering metabolic energy for active uptake, and as a source of carbon skeletons for ammonium assimilation. Thus, supply of photoassimilates to the symbiotic structure is the basis for a successful plant-fungus interaction. Carbon supply is, however, not only a one-way traffic from host to symbiont.

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Authors and Affiliations

  1. Botanisches Institut, Physiologische Ökologie der Pflanzen, Universität Tübingen, Auf der Morgenstelle 1, 72076, Tübingen, Germany

    U. Nehls, J. Wiese & R. Hampp

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  1. U. Nehls
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  2. J. Wiese
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  3. R. Hampp
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Editors and Affiliations

  1. Department of Botany, TU München at Weihenstephan, 85350, Freising, Germany

    Bertold Hock

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© 2001 Springer-Verlag Berlin Heidelberg

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Nehls, U., Wiese, J., Hampp, R. (2001). Exchange of Carbohydrates Between Symbionts in Ectomycorrhiza. In: Hock, B. (eds) Fungal Associations. The Mycota, vol 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-07334-6_7

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  • DOI: https://doi.org/10.1007/978-3-662-07334-6_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-08310-5

  • Online ISBN: 978-3-662-07334-6

  • eBook Packages: Springer Book Archive

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