Canna~Fangled Abstracts

Proteomics of terpenoid biosynthesis and secretion in trichomes of higher plant species.

By July 28, 2016 No Comments
 2016 Aug;1864(8):1039-49. doi: 10.1016/j.bbapap.2016.02.010. Epub 2016 Feb 9.


PM 1aAmong the specialized (secondary) plant metabolites, terpenoids represent the most diverse family and are often involved in the defense against pathogens and herbivores. Terpenoids can be produced both constitutively and in response to the environment. At the front line of this defense strategy are the glandular trichomes, which are organs dedicated primarily to the production of specialized metabolites. Mass spectrometry-based proteomics is a powerful tool, which is very useful to investigate enzymes involved in metabolic pathways, such as the synthesis and secretion of terpenoids in glandular trichomes. Here we review the strategies used to investigate the specific roles of these particular organs from non-model plant species, mainly belonging to the Lamiaceae, Solanaceae, and Cannabaceae families. We discuss how proteomics helps to accurately pinpoint candidate proteins to be functionally characterized, and how technological progresses create opportunities for studying low-abundance proteins, such as the ones related to the synthesis and transport of specialized metabolites. This article is part of a Special Issue entitled: Plant Proteomics – a bridge between fundamental processes and crop production, edited by Dr. Hans-Peter Mock.
Copyright © 2016 Elsevier B.V. All rights reserved.


Glandular trichomes; Metabolism; Plant; Proteomics; Terpenoids; Transport

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