Journal
BIOMOLECULES
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/biom11081207
Keywords
arabidopsis; amidase signature superfamily; growth; stress; auxin; abscisic acid; amidase; indole-3-acetamide; indole-3-acetic acid; fatty acid amide hydrolase
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Funding
- Spanish Ministry of Economy, Industry and Competitiveness (MINECO) [BFU2017-82826-R]
- 'Severo Ochoa Program for Centers of Excellence in R&D' from the Agencia Estatal de Investigacion of Spain [SEV-2016-0672]
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The diversification of land plants relies on their ability to cope with environmental fluctuations, with research focusing on major phytohormones like auxins and abscisic acid. This study highlights the roles of AS superfamily members in balancing growth and defense trade-offs through the conversion of bioactive substrates.
The diversification of land plants largely relies on their ability to cope with constant environmental fluctuations, which negatively impact their reproductive fitness and trigger adaptive responses to biotic and abiotic stresses. In this limiting landscape, cumulative research attention has centred on deepening the roles of major phytohormones, mostly auxins, together with brassinosteroids, jasmonates, and abscisic acid, despite the signaling networks orchestrating the crosstalk among them are so far only poorly understood. Accordingly, this review focuses on the Arabidopsis Amidase Signature (AS) superfamily members, with the aim of highlighting the hitherto relatively underappreciated functions of AMIDASE1 (AMI1) and FATTY ACID AMIDE HYDROLASE (FAAH), as comparable coordinators of the growth-defense trade-off, by balancing auxin and ABA homeostasis through the conversion of their likely bioactive substrates, indole-3-acetamide and N-acylethanolamine.
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