Apocarotenoids: Old and New Mediators of the Arbuscular Mycorrhizal Symbiosis.

Valentina Fiorilli, Jian You Wang, Paola Bonfante, Luisa Lanfranco, Salim Al-Babili

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Plants utilize hormones and other small molecules to trigger and coordinate their growth and developmental processes, adapt and respond to environmental cues, and communicate with surrounding organisms. Some of these molecules originate from carotenoids that act as universal precursors of bioactive metabolites arising through oxidation of the carotenoid backbone. This metabolic conversion produces a large set of compounds known as apocarotenoids, which includes the plant hormones abscisic acid (ABA) and strigolactones (SLs) and different signaling molecules. An increasing body of evidence suggests a crucial role of previously identified and recently discovered carotenoid-derived metabolites in the communication with arbuscular mycorrhizal (AM) fungi and the establishment of the corresponding symbiosis, which is one of the most relevant plant-fungus mutualistic interactions in nature. In this review, we provide an update on the function of apocarotenoid hormones and regulatory metabolites in AM symbiosis, highlighting their effect on both partners.
Original languageEnglish (US)
JournalFrontiers in plant science
Volume10
DOIs
StatePublished - Sep 27 2019

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