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Article dans une revue Plants Année : 2024

Phospholipid Signaling in Crop Plants: A Field to Explore

Résumé

In plant models such as Arabidopsis thaliana, phosphatidic acid (PA), a key molecule of lipid signaling, was shown not only to be involved in stress responses, but also in plant development and nutrition. In this article, we highlight lipid signaling existing in crop species. Based on open access databases, we update the list of sequences encoding phospholipases D, phosphoinositide-dependent phospholipases C, and diacylglycerol-kinases, enzymes that lead to the production of PA. We show that structural features of these enzymes from model plants are conserved in equivalent proteins from selected crop species. We then present an in-depth discussion of the structural characteristics of these proteins before focusing on PA binding proteins. For the purpose of this article, we consider RESPIRATORY BURST OXIDASE HOMOLOGUEs (RBOHs), the most documented PA target proteins. Finally, we discuss pioneering experiments that show, by different approaches such as monitoring of gene expression, use of pharmacological agents, ectopic over-expression of genes, and the creation of silenced mutants, that lipid signaling plays major roles in crop species. Finally, we present major open questions that require attention since we have only a perception of the peak of the iceberg when it comes to the exciting field of phospholipid signaling in plants.
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Dates et versions

hal-04599993, version 1 (04-06-2024)

Licence

Paternité - CC BY 4.0

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Lucas Amokrane, Igor Pokotylo, Sébastien Acket, Amélie Ducloy, Adrian Troncoso-Ponce, et al.. Phospholipid Signaling in Crop Plants: A Field to Explore. Plants, 2024, 13, pp.1532. ⟨10.3390/plants13111532⟩. ⟨hal-04599993⟩
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Dernière date de mise à jour le 26/06/2024
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