Impact of Arbuscular Mycorrhizal Inoculation and Growth Substrate on Biomass and Content of Polyphenols in Eclipta prostrata

Vo, Au Trung; Haddidi, Imane; Daood, Hussein G.; Mayer, Zoltán; Posta, Katalin

doi:10.21273/hortsci14227-19

Cited by 10 publications

(10 citation statements)

References 40 publications

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“…The difference in the second main constituent of polyphenols (4,5-dicaffeoylquinic acid in the present experiment versus demethyl wedelolactone in our previous one) may be attributable mainly to the different substrate volume we applied. The results demonstrated that under non-stress conditions, AM colonization considerably altered the content of six polyphenols in plants during growth stages, which is a confirmation with our previous findings showing that individual phenolics were influenced by AMF in this medicinal plant ( Vo et al, 2019 ). The reasons may be due to the mechanisms underlying AMF–plant interaction during mycorrhization.…”

Section: Discussionsupporting

confidence: 90%

“…Noticeably, in the current work, we extended identifications to 14 individual phenolics. The findings showed that wedelolactone, an important phenolic compound to prevent inflammatory diseases and cancer in humans ( Sarveswaran et al, 2012 ), was one of the two main components of phenolic compounds in plants during growth stages under different conditions, which is in line with the earlier results ( Vo et al, 2019 ). The difference in the second main constituent of polyphenols (4,5-dicaffeoylquinic acid in the present experiment versus demethyl wedelolactone in our previous one) may be attributable mainly to the different substrate volume we applied.…”

Section: Discussionsupporting

confidence: 87%

“…Natural antioxidants such as polyphenols have been intensively studied in the last few years because of restrictions on the use of synthetic antioxidants and enhanced public awareness of health-related issues ( Bhuyan and Basu, 2017 ). In our previous study, nine major polyphenols were identified and measured in E. prostrata plants ( Vo et al, 2019 ). Noticeably, in the current work, we extended identifications to 14 individual phenolics.…”

Section: Discussionmentioning

confidence: 99%

“…Germinated seeds were placed in 0.5-L plastic pots filled with an autoclaved mixture of sand and peat (60:40%) (v/v). The chemical properties of the sand:peat substrate have pH 6.9, N (%) 0.6%, P 681.29 mg kg –1 , K 2,819 mg kg –1 , carbonate (%) 17.18%, and dry matter content (m/m%) 54% ( Vo et al, 2019 ). The AM inocula were placed adjacent to seedling roots.…”

Section: Methodsmentioning

confidence: 99%

“…On the other hand, the potential of AM inoculation to boost the biosynthesis of bioactive compounds such as phenols, alkaloids, and terpenes has been described in numerous medicinal plants; thus, fungal symbiosis could inflict significant changes in the pharmacological properties of medicinal plants ( Kapoor et al, 2017 ). Previously, we reported that mycorrhizal inoculation modified the content of some polyphenols such as protocatechuic, 4- O -caffeoylquinic acid, 4,5-dicaffeoylquinic acid, luteolin, and quercetin-3-arabinoside of E. prostrata cultivated under different substrates with various nutrient supplies ( Vo et al, 2019 ). In rosemary, mycorrhization altered polyphenolic profile distribution in the leaves.…”

Section: Introductionmentioning

confidence: 99%

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Arbuscular Mycorrhizal Fungi Improve Tolerance of the Medicinal Plant Eclipta prostrata (L.) and Induce Major Changes in Polyphenol Profiles Under Salt Stresses

Duc

Haddidi

et al. 2021

Front. Plant Sci.

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Eclipta prostrata (L.) is an important and well-known medicinal plant due to its valuable bioactive compounds. Microorganisms, including arbuscular mycorrhizal fungi (AMF), and salinity could directly impact plant metabolome, thus influencing their secondary metabolites and the efficacy of herbal medicine. In this study, the role of different single AMF species (Funneliformis mosseae, Septoglomus deserticola, Acaulospora lacunosa) and a mixture of six AMF species in plant growth and physio-biochemical characteristics of E. prostrata under non-saline conditions was investigated. Next, the most suitable AM treatment was chosen to examine the impact of AMF on physio-biochemical features and polyphenol profiles of E. prostrata under saline conditions (100 and 200 mM NaCl). The findings indicated that AMF mixture application resulted in more effective promotion on the aboveground part of non-saline plants than single AMF species. AM mixture application improved growth and salt tolerance of E. prostrata through increasing the activity of catalase, peroxidase (at 4 weeks), proline, and total phenolic content (at 8 weeks). Such benefits were not observed under high salinity, except for a higher total phenolic concentration in mycorrhizal plants at 8 weeks. Through high-performance liquid chromatography, 14 individual phenolic compounds were analyzed, with wedelolactone and/or 4,5-dicaffeoylquinic acid abundant in all treatments. Salinity and mycorrhizal inoculation sharply altered the polyphenol profiles of E. prostrata. Moderate salinity boosted phenolic compound production in non-AM plants at 4 weeks, while at 8 weeks, the decline in the content of phenolic compounds occurred in uncolonized plants subjected to both saline conditions. Mycorrhization augmented polyphenol concentration and yield under non-saline and saline conditions, depending on the growth stages and salt stress severity. Plant age influenced polyphenol profiles with usually a higher content of phenolic compounds in older plants and changed the production of individual polyphenols of both non-AM and AM plants under non-stress and salt stress conditions. A better understanding of factors (involving mycorrhiza and salinity) affecting the phenolic compounds of E. prostrata facilitates the optimization of individual polyphenol production in this medicinal plant.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Arbuscular Mycorrhizal Fungi Improve Tolerance of the Medicinal Plant Eclipta prostrata (L.) and Induce Major Changes in Polyphenol Profiles Under Salt Stresses

Duc

Haddidi

et al. 2021

Front. Plant Sci.

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Arbuscular mycorrhizal fungi and production of secondary metabolites in medicinal plants

et al. 2022

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Medicinal plants are an important source of therapeutic compounds used in the treatment of many diseases since ancient times. Interestingly, they form associations with numerous microorganisms developing as endophytes or symbionts in different parts of the plants. Within the soil, arbuscular mycorrhizal fungi (AMF) are the most prevalent symbiotic microorganisms forming associations with more than 70% of vascular plants. In the last decade, a number of studies have reported the positive effects of AMF on improving the production and accumulation of important active compounds in medicinal plants.In this work, we reviewed the literature on the effects of AMF on the production of secondary metabolites in medicinal plants. The major findings are as follows: AMF impact the production of secondary metabolites either directly by increasing plant biomass or indirectly by stimulating secondary metabolite biosynthetic pathways. The magnitude of the impact differs depending on the plant genotype, the AMF strain, and the environmental context (e.g., light, time of harvesting). Different methods of cultivation are used for the production of secondary metabolites by medicinal plants (e.g., greenhouse, aeroponics, hydroponics, in vitro and hairy root cultures) which also are compatible with AMF. In conclusion, the inoculation of medicinal plants with AMF is a real avenue for increasing the quantity and quality of secondary metabolites of pharmacological, medical, and cosmetic interest.

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Native arbuscular mycorrhizal inoculation enhances secondary metabolite contents in Tamarix gallica grown in saline soil

Bencherif,

Tifour,

Dalpè

et al. 2024

Symbiosis

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Impact of Arbuscular Mycorrhizal Inoculation and Growth Substrate on Biomass and Content of Polyphenols in Eclipta prostrata

Cited by 10 publications

References 40 publications

Arbuscular Mycorrhizal Fungi Improve Tolerance of the Medicinal Plant Eclipta prostrata (L.) and Induce Major Changes in Polyphenol Profiles Under Salt Stresses

Arbuscular Mycorrhizal Fungi Improve Tolerance of the Medicinal Plant Eclipta prostrata (L.) and Induce Major Changes in Polyphenol Profiles Under Salt Stresses

Arbuscular mycorrhizal fungi and production of secondary metabolites in medicinal plants

Native arbuscular mycorrhizal inoculation enhances secondary metabolite contents in Tamarix gallica grown in saline soil

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