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Plant carbon nourishment of arbuscular mycorrhizal fungi.

Accepted version
Peer-reviewed

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Authors

Roth, Ronelle 

Abstract

Reciprocal nutrient exchange between the majority of land plants and arbucular mycorrhizal (AM) fungi is the cornerstone of a stable symbiosis. To date, a dogma in the comprehension of AM fungal nourishment has been delivery of host organic carbon in the form of sugars. More recently a role for lipids as alternative carbon source or as a signalling molecule during AM symbiosis was proposed. Here we review the symbiotic requirement for carbohydrates and lipids across developmental stages of the AM symbiosis. We present a role for carbohydrate metabolism and signalling to maintain intraradical fungal growth, as opposed to lipid uptake at the arbuscule as an indispensible requirement for completion of the AM fungal life cycle.

Description

Keywords

Carbohydrate Metabolism, Fatty Acids, Mycorrhizae, Symbiosis

Journal Title

Curr Opin Plant Biol

Conference Name

Journal ISSN

1369-5266
1879-0356

Volume Title

39

Publisher

Elsevier
Sponsorship
European Commission (629887)
Biotechnology and Biological Sciences Research Council (BB/N008723/1)
Ronelle Roth is supported by the BBSRC grant BB/N008723/1 to Uta Paszkowski.