title: Calcium opens the dialogue between plants and arbuscular mycorrhizal fungi.
abstract: Calcium ion is considered a ubiquitous second messenger in all eukaryotic cells. Analysis of intracellular Ca(2+) concentration dynamics has demonstrated its signalling role in plant cells in response to a wide array of environmental cues. The implication of Ca(2+) in the early steps of the arbuscular mycorrhizal symbiosis has been frequently claimed, mainly by analogy with what firmly demonstrated in the rhizobium-legume symbiosis. We recently documented transient Ca(2+) changes in plant cells challenged with diffusible molecules released by arbuscular mycorrhizal fungi. Ca(2+) measurements by the recombinant aequorin method provided new insights into the molecular communications between plants and these beneficial fungi.
authors.affiliation: Dipartimento di Biologia; Università di Padova; Padova, Italy.
authors.forename: Lorella
authors.initials: L
authors.lastname: Navazio
authors.forename: Paola
authors.initials: P
authors.lastname: Mariani
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