Cited by 83Plant biochemistry and biosynthesisPlant tissue culture and regenerationSesquiterpenes and Asteraceae Studies

A Genome-Wide Scenario of Terpene Pathways in Self-pollinated Artemisia annua

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Ma, Dong-Ming, Wang, Zhilong, Wang, Liangjiang, Alejos-Gonzales, Fatima, Sun, Ming-An, Xie, De-Yu·2015·Molecular Plant

Abstract

Scenarios of genes to metabolites in Artemisia annua remain uninvestigated. Here, we report the use of an integrated approach combining metabolomics, transcriptomics, and gene function analyses to characterize gene-to-terpene and terpene pathway scenarios in a self-pollinating variety of this species. Eighty-eight metabolites including 22 sesquiterpenes (e.g., artemisinin), 26 monoterpenes, two triterpenes, one diterpene and 38 other non-polar metabolites were identified from 14 tissues. These metabolites were differentially produced by leaves and flowers at lower to higher positions. Sequences from cDNA libraries of six tissues were assembled into 18 871 contigs and genome-wide gene expression profiles in tissues were strongly associated with developmental stages and spatial specificities. Sequence mining identified 47 genes that mapped to the artemisinin, non-amorphadiene sesquiterpene, monoterpene, triterpene, 2-C-methyl-D-erythritol 4-phosphate and mevalonate pathways. Pearson correlation analysis resulted in network integration that characterized significant correlations of gene-to-gene expression patterns and gene expression-to-metabolite levels in six tissues simultaneously. More importantly, manipulations of amorpha-4,11-diene synthase gene expression not only affected the activity of this pathway toward artemisinin, artemisinic acid, and arteannuin b but also altered non-amorphadiene sesquiterpene and genome-wide volatile profiles. Such gene-to-terpene landscapes associated with different tissues are fundamental to the metabolic engineering of artemisinin.

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Crossref · 10.1016/j.molp.2015.07.004

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Authors
Ma, D.-M., Wang, Z., Wang, L., Alejos-Gonzales, F., Sun, M.-A., & Xie, D.-Y.
Affiliations
  • North Carolina State University (US)
  • Clemson University (US)
  • Virginia Tech (US)
Corresponding author
Xie, De-Yu
Venue
Molecular Plant
Publisher
Elsevier BV
Published
2015-11
Volume
8
Issue
11
Pages
1580-1598
ISSN
1674-2052 (ISSN-L)
OpenAlex
W1913281859
Cited by
83
References
81
Citations by year
2026: 5 · 2025: 2 · 2024: 5 · 2023: 11 · 2022: 8 · 2021: 18 · 2020: 3 · 2019: 10 · 2018: 8 · 2017: 7 · 2016: 5 · 2015: 1
FWCI
3.04
Type
journal article
Language
en
Open access
Locations
  • Molecular Plant (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant tissue culture and regeneration
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Sesquiterpenes and Asteraceae Studies
Keywords
Artemisia annua, terpene biosynthesis, artemisinin biosynthesis, sesquiterpenes, monoterpenes, triterpenoids, amorpha-4,11-diene synthase, gene regulatory networks, 2-C-methyl-D-erythritol 4-phosphate pathway, mevalonate pathway, tissue-specific metabolism, volatile compounds, metabolic engineering
MeSH terms
Gas Chromatography-Mass Spectrometry, Terpenes, Genes, Plant, Gene Expression Profiling, Artemisia annua, Artemisinins, Pollination, Metabolomics, Self-Fertilization

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