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Terpenoid Transport in Plants: How Far from the Final Picture?

TitoloTerpenoid Transport in Plants: How Far from the Final Picture?
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2023
AutoriDemurtas, Olivia Costantina, Nicolia A., and Diretto Gianfranco
RivistaPlants
Volume12
ISSN22237747
Abstract

Contrary to the biosynthetic pathways of many terpenoids, which are well characterized and elucidated, their transport inside subcellular compartments and the secretion of reaction intermediates and final products at the short- (cell-to-cell), medium- (tissue-to-tissue), and long-distance (organ-to-organ) levels are still poorly understood, with some limited exceptions. In this review, we aim to describe the state of the art of the transport of several terpene classes that have important physiological and ecological roles or that represent high-value bioactive molecules. Among the tens of thousands of terpenoids identified in the plant kingdom, only less than 20 have been characterized from the point of view of their transport and localization. Most terpenoids are secreted in the apoplast or stored in the vacuoles by the action of ATP-binding cassette (ABC) transporters. However, little information is available regarding the movement of terpenoid biosynthetic intermediates from plastids and the endoplasmic reticulum to the cytosol. Through a description of the transport mechanisms of cytosol- or plastid-synthesized terpenes, we attempt to provide some hypotheses, suggestions, and general schemes about the trafficking of different substrates, intermediates, and final products, which might help develop novel strategies and approaches to allow for the future identification of terpenoid transporters that are still uncharacterized. © 2023 by the authors.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85147865197&doi=10.3390%2fplants12030634&partnerID=40&md5=f6c00cd28c1f921a4e40a9018e3b7092
DOI10.3390/plants12030634
Citation KeyDemurtas2023