Cited by 52Mycorrhizal Fungi and Plant InteractionsPlant and fungal interactionsPlant biochemistry and biosynthesis

Increase in Artemisia annua Plant Biomass Artemisinin Content and Guaiacol Peroxidase Activity Using the Arbuscular Mycorrhizal Fungus Rhizophagus irregularis

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Domokos, Erzsébet, Jakab-Farkas, László, Darkó, Béla, Bíró-Janka, Béla, Mara, Gyöngyvér, Albert, Csilla, Balog, Adalbert·2018·Frontiers in Plant Science

Abstract

The main objective of this study was to investigate Artemisia annua plant property variations in terms of plant biomass, glandular trichome numbers, artemisinin production and Guaiacol peroxidase (GPOX) activity when plants are in mutualism with AMF. According to the results, Artemisia annua mutualism with AMF significantly increased the most important and pharmaceutically relevant factors of fresh and dry plant biomass. This increase, especially in the biomass of plant herba (leaves), was 30% higher during the vegetation period and remained high (29% higher than for control) when plants were harvested at the end of the vegetation period. Similar differences in dry biomass were also detected. Glandular trichomas numbers increased by 40%, and the artemisinin content by 17% under AMF colonisation. No effects due to AMF on chlorophyll variations were detected, while Guaiacol peroxidase (GPOX) enzyme concentrations increased significantly under AMF colonization. Altogether the Artemisia plant properties with high pharmaceutically importance (fresh and dry biomass of leaves and artemisinin, number of trichomes and the artemisinin content) were significantly improved by AMF, the application in Artemisia cultivation can be an effective and cheap method. The high GPOX activity under AMF colonization indicate an enhanced oxidative stress alleviation, therefore a higher resistance to water deficiency, mechanisms important under climate conditions with low water supply where Artemisia is usually cultivated.

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Crossref · 10.3389/fpls.2018.00478

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  • R. irregularis had a positive impact on artemisinin content due to increased glandular trichome density at 40% greater than the control along with increased guaiacol peroxidase activity for defense against oxidative stress.

    “Another AM fungal species of the same genus, R. irregularis, also had a positive impact on artemisinin content due to increased glandular trichome density at 40% greater than the control along with increased guaiacol peroxidase activity for defense against oxidative stress (Domokos et al. 2018).”

    From Enhancing artemisinin content in and delivery from Artemisia annua: a review of alternative, classical, and transgenic approaches (2021) · cites this paper as Domokos et al. 2018

    The Results (Glandular Trichome and Artemisinin Content Variation; page not provided) report 40.7% more glandular trichomes, 17% more artemisinin, and a strong correlation between them; the GPOX Results report higher activity in AMF-treated plants. The paper does not establish that the extra trichomes caused the artemisinin increase, and its Discussion says higher GPOX activity may confer resistance to water deficiency rather than demonstrating defense against oxidative stress in these plants. (LLM, conf=0.86)

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Authors
Domokos, E., Jakab-Farkas, L., Darkó, B., Bíró-Janka, B., Mara, G., Albert, C., & Balog, A.
Affiliations
  • Universitatea de Medicină, Farmacie, Științe și Tehnologie „George Emil Palade” din Târgu Mureș (RO)
  • Sapientia Hungarian University of Transylvania (RO)
Corresponding author
  • Domokos, Erzsébet
  • Balog, Adalbert
Venue
Frontiers in Plant Science
Published
2018-04-13
Volume
9
Pages
478-478
ISSN
1664-462X (ISSN-L)
OpenAlex
W2797498904
Cited by
52
References
37
Citations by year
2026: 2 · 2025: 6 · 2024: 11 · 2023: 7 · 2022: 7 · 2021: 9 · 2020: 3 · 2019: 5 · 2018: 2
FWCI
4.20
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Plant Science (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Emberi Eroforrások Minisztériuma
  • Eötvös Loránd Tudományegyetem
  • Magyarország Kormánya
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant and fungal interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
Keywords
Artemisia annua, arbuscular mycorrhizal fungi, Glomus intraradices, artemisinin production, plant biomass, glandular trichomes, guaiacol peroxidase, oxidative stress, drought tolerance, plant-fungus mutualism, chlorophyll content

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