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Université de Fribourg

Phosphate systemically inhibits development of arbuscular mycorrhiza in Petunia hybrida and represses genes involved in mycorrhizal functioning

Breuillin, Florence ; Schramm, Jonathan ; Hajirezaei, Mohammad ; Ahkami, Amir ; Favre, Patrick ; Druege, Uwe ; Hause, Bettina ; Bucher, Marcel ; Kretzschmar, Tobias ; Bossolini, Eligio ; Kuhlemeier, Cris ; Martinoia, Enrico ; Franken, Philipp ; Scholz, Uwe ; Reinhardt, Didier

In: The Plant Journal, 2010, p. -

Most terrestrial plants form arbuscular mycorrhiza (AM), mutualistic associations with soil fungi of the order Glomeromycota. The obligate biotrophic fungi trade mineral nutrients, mainly phosphate (Pi), for carbohydrates from the plants. Under conditions of high exogenous phosphate supply, when the plant can meet its own P requirements without the fungus, AM are suppressed,...