Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale

Abstract Alkannin/shikonin and their derivatives are specialised metabolites of high pharmaceutical and ecological importance exclusively produced in the periderm of members of the plant family Boraginaceae. Previous studies have shown that their biosynthesis is induced in response to methyl jasmona...

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Main Authors: Muhammad Ahmad, Alicia Varela Alonso, Antigoni E. Koletti, Nebojša Rodić, Michael Reichelt, Philipp Rödel, Andreana N. Assimopoulou, Ovidiu Paun, Stéphane Declerck, Carolin Schneider, Eva M. Molin
Format: Article
Language:English
Published: Nature Portfolio 2022-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-21322-0
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author Muhammad Ahmad
Alicia Varela Alonso
Antigoni E. Koletti
Nebojša Rodić
Michael Reichelt
Philipp Rödel
Andreana N. Assimopoulou
Ovidiu Paun
Stéphane Declerck
Carolin Schneider
Eva M. Molin
author_facet Muhammad Ahmad
Alicia Varela Alonso
Antigoni E. Koletti
Nebojša Rodić
Michael Reichelt
Philipp Rödel
Andreana N. Assimopoulou
Ovidiu Paun
Stéphane Declerck
Carolin Schneider
Eva M. Molin
author_sort Muhammad Ahmad
collection DOAJ
description Abstract Alkannin/shikonin and their derivatives are specialised metabolites of high pharmaceutical and ecological importance exclusively produced in the periderm of members of the plant family Boraginaceae. Previous studies have shown that their biosynthesis is induced in response to methyl jasmonate but not salicylic acid, two phytohormones that play important roles in plant defence. However, mechanistic understanding of induction and non-induction remains largely unknown. In the present study, we generated the first comprehensive transcriptomic dataset and metabolite profiles of Lithospermum officinale plants treated with methyl jasmonate and salicylic acid to shed light on the underlying mechanisms. Our results highlight the diverse biological processes activated by both phytohormones and reveal the important regulatory role of the mevalonate pathway in alkannin/shikonin biosynthesis in L. officinale. Furthermore, by modelling a coexpression network, we uncovered structural and novel regulatory candidate genes connected to alkannin/shikonin biosynthesis. Besides providing new mechanistic insights into alkannin/shikonin biosynthesis, the generated methyl jasmonate and salicylic acid elicited expression profiles together with the coexpression networks serve as important functional genomic resources for the scientific community aiming at deepening the understanding of alkannin/shikonin biosynthesis.
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spelling doaj.art-d890f692b6e0414db49122ca0c45fcf42022-12-22T03:32:34ZengNature PortfolioScientific Reports2045-23222022-10-0112111710.1038/s41598-022-21322-0Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinaleMuhammad Ahmad0Alicia Varela Alonso1Antigoni E. Koletti2Nebojša Rodić3Michael Reichelt4Philipp Rödel5Andreana N. Assimopoulou6Ovidiu Paun7Stéphane Declerck8Carolin Schneider9Eva M. Molin10Center for Health & Bioresources, AIT Austrian Institute of Technology GmbHInstitut für Pflanzenkultur GmbH & Co. KG.Department of Chemical Engineering, Laboratory of Organic Chemistry and Center of Interdisciplinary Research and Innovation, Natural Products Research Centre of Excellence (NatPro-AUTh), Aristotle University of ThessalonikiDepartment of Chemical Engineering, Laboratory of Organic Chemistry and Center of Interdisciplinary Research and Innovation, Natural Products Research Centre of Excellence (NatPro-AUTh), Aristotle University of ThessalonikiDepartment of Biochemistry, Max Planck Institute for Chemical EcologyInstitut für Pflanzenkultur GmbH & Co. KG.Department of Chemical Engineering, Laboratory of Organic Chemistry and Center of Interdisciplinary Research and Innovation, Natural Products Research Centre of Excellence (NatPro-AUTh), Aristotle University of ThessalonikiDepartment of Botany and Biodiversity Research, University of ViennaEarth and Life Institute, Université Catholique de LouvainInstitut für Pflanzenkultur GmbH & Co. KG.Center for Health & Bioresources, AIT Austrian Institute of Technology GmbHAbstract Alkannin/shikonin and their derivatives are specialised metabolites of high pharmaceutical and ecological importance exclusively produced in the periderm of members of the plant family Boraginaceae. Previous studies have shown that their biosynthesis is induced in response to methyl jasmonate but not salicylic acid, two phytohormones that play important roles in plant defence. However, mechanistic understanding of induction and non-induction remains largely unknown. In the present study, we generated the first comprehensive transcriptomic dataset and metabolite profiles of Lithospermum officinale plants treated with methyl jasmonate and salicylic acid to shed light on the underlying mechanisms. Our results highlight the diverse biological processes activated by both phytohormones and reveal the important regulatory role of the mevalonate pathway in alkannin/shikonin biosynthesis in L. officinale. Furthermore, by modelling a coexpression network, we uncovered structural and novel regulatory candidate genes connected to alkannin/shikonin biosynthesis. Besides providing new mechanistic insights into alkannin/shikonin biosynthesis, the generated methyl jasmonate and salicylic acid elicited expression profiles together with the coexpression networks serve as important functional genomic resources for the scientific community aiming at deepening the understanding of alkannin/shikonin biosynthesis.https://doi.org/10.1038/s41598-022-21322-0
spellingShingle Muhammad Ahmad
Alicia Varela Alonso
Antigoni E. Koletti
Nebojša Rodić
Michael Reichelt
Philipp Rödel
Andreana N. Assimopoulou
Ovidiu Paun
Stéphane Declerck
Carolin Schneider
Eva M. Molin
Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
Scientific Reports
title Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
title_full Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
title_fullStr Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
title_full_unstemmed Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
title_short Dynamics of alkannin/shikonin biosynthesis in response to jasmonate and salicylic acid in Lithospermum officinale
title_sort dynamics of alkannin shikonin biosynthesis in response to jasmonate and salicylic acid in lithospermum officinale
url https://doi.org/10.1038/s41598-022-21322-0
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