Influence of Elicitors and Eustressors on the Production of Plant Secondary Metabolites

Alvarado, Aurora Mariana; Aguirre‐Becerra, Humberto; Vázquez-Hernández, Ma. Cristina; Magaña-López, Ernesto; Parola-Contreras, Ixchel; Caicedo-López, Laura Helena; Contreras-Medina, Luis Miguel; García‐Trejo, Juan Fernando; Guevara-González, Ramón Gerardo; Feregrino-Pérez, Ana A.

doi:10.1007/978-981-13-7154-7_11

Cited by 31 publications

(15 citation statements)

References 212 publications

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“…Osmolytes accumulation, antioxidants production and higher SMs accumulation are some of the plant responses to harsh environmental conditions (Mahajan et al 2020). Secondary metabolites are chemical defense molecules that secreted when plants are under biotic and abiotic stresses (Alvarado et al 2019). Improving growth and survival of plants under stressful conditions is the primary function of SMs (Khare et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Integrative effects of stress- and stress tolerance-inducing elicitors on in vitro bioactive compounds of ajowan [Trachyspermum ammi (L.) Sprague] medicinal plant

Niazian

Howyzeh

Sadat-Noori

2021

Plant Cell Tiss Organ Cult

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Bioactive compounds of medicinal plants have a wide range of applications in pharmaceutical, food and other industries. In vitro culture systems have great potential for sustainable production of bioactive compounds of medicinal plants. In the present study, the individual and combined effects of a stress tolerance-inducing (salicylic acid) and a stress-inducing elicitor (polyethylene glycol) were evaluated on regeneration e ciency, antioxidants activity and phytochemical pro le of in vitro shoot cultures of ajowan. Different concentrations of salicylic acid (SA) (0, 10, 20, 40, 80 µM) and polyethylene glycol (PEG 6000) (0, 1, 2, 5%) were added to the shoot regeneration Murashige and Skoog medium containing Kin (1.5 mg/L) and NAA (0.25 mg/L) plant growth regulators. Salicylic acid reduced the adverse effect of PEG treatment on number of regenerated shoots and in vitro rooting. The activities of catalase, superoxide dismutase, and peroxidase enzymatic antioxidants were signi cantly increased in SA + PEG treated plants. The gas chromatography-mass spectrometry (GC-MS)-pro ling revealed quantitative and qualitative phytochemical differences between control and SA + PEG treated plants. The greatest means of p-cymene and thymol bioactive compounds were obtained from in vitro shoots treated with 5% PEG + 40 µM SA. The inter-simple sequence repeats (ISSR) markers proved the genetic stability of in vitro regenerated plants. The presented protocol is useful for large-scale sustainable production of secondary metabolites (SMs) of medicinal plants. The same strategy (stress tolerance-inducing elicitor + stress-inducing elicitor) is applicable to increase valuable SMs in other production systems such as hydroponic, greenhouse and eld conditions.

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Section: Introductionmentioning

confidence: 99%

Integrative effects of stress- and stress tolerance-inducing elicitors on in vitro bioactive compounds of ajowan [Trachyspermum ammi (L.) Sprague] medicinal plant

Niazian

Howyzeh

Sadat-Noori

2021

Plant Cell Tiss Organ Cult

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“…Plant foods grown in the field use sunlight for photosynthesis and production of bioactive metabolites such as phenolic compounds, whereas those grown commercially under controlled conditions use artificial light sources to meet their needs for photosynthesis and production of secondary metabolites such as phenolic compounds. Thus, changes in light quality, quantity, intensity and duration can be exploited to influence the final yield and bioactivities of phenolic compounds in different food systems [50]. According to Bantis et al [51], five wavelength ranges including red (660-700 nm), far-red (700-750 nm), blue (495-400 nm), UV-A (400-315 nm) and UV-R8 (315-280 nm) has been described with respect to plant radiation.…”

Section: Radiationmentioning

confidence: 99%

Novel Non-Thermal Processing Technologies: Impact on Food Phenolic Compounds during Processing

Ampofo¹,

Ngadi²

2022

Phenolic Compounds - Chemistry, Synthesis, Diversity, Non-Conventional Industrial, Pharmaceutical and Therapeutic Applications

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In recent times, food consumption has advanced beyond simply meeting growth and development needs to include the supply of ingredients that can protect against diseases. Among such non-nutritive ingredients are phenolic compounds. These are benzene-ringed secondary metabolites produced in plants upon exposure to environmental stress. Previous studies have linked phenolic compounds to bioactive benefits (e.g., antioxidative, anti-inflammatory, and anti-cancer) with these bioactivities dependent on their biochemical structure and concentrations of individual phenolic compounds present in the food system. However, majority of plant foods are thermally processed into ready-to-eat forms, with these processing methods potentially altering the structure and subsequent bioactivities of endogenous phenolic compounds. Thus, the aim of this chapter is to highlight on emerging non-thermal novel technologies (such as pulsed electric field, radiation, ultrasonication, high hydrostatic pressure processing and high pressure carbon dioxide processing) that can be exploited by the food industry to preserve/enhance bioactivities of phenolic compounds during processing.

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“…For instance, Zhang et al studied the effects of graphene on tomato that resulted in the longer seedling than the control. Something similar happened with the application of silver nanoparticles in Pelargonium zonale and resulted in higher chlorophyll and carotenoids contents of leaf 6 . Nevertheless, up to now, there is little published data that have investigated effects of nanomaterials as elicitors on beneficial fungal organisms, and most studies on the subject have been mostly tended to focus on antimicrobial activity of nanoparticles rather than consider them as potential substances that maybe support fungal growth or secondary metabolites production in certain conditions and concentrations.…”

Section: Introductionmentioning

confidence: 95%

“…Something similar happened with the application of silver nanoparticles in Pelargonium zonale and resulted in higher chlorophyll and carotenoids contents of leaf. 6 Nevertheless, up to now, there is little published data that have investigated effects of nanomaterials as elicitors on beneficial fungal organisms, and most studies on the subject have been mostly tended to focus on antimicrobial activity of nanoparticles rather than consider them as potential substances that maybe support fungal growth or secondary metabolites production in certain conditions and concentrations. The issue has grown in consequence of studies such as that conducted by Kotzybik et al, which indicated that SiO 2 nanoparticles could either inhibit or increase the growth of Penicillium verrucosum, depending on dosages of nanoparticles on medium.…”

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confidence: 99%

Effects of different graphene‐based nanomaterials as elicitors on growth and ganoderic acid production by Ganoderma lucidum

Rostami

Yazdian

Mirjani

et al. 2020

Biotechnology Progress

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Graphene-based nanomaterials (GBNs) have attracted considerable interest nowadays due to their wide range of applications. However, very little attention has been paid to the application of nanomaterials as potential elicitors for production of valuable metabolites. Herein, aiming to earn insight into effects of nanomaterials on secondary metabolite biosynthesis by medicinal fungi, we evaluated the influence of GBNs on growth and production of ganoderic acid (GA) by Ganoderma lucidum in submerged culture. Graphene oxide (GO), reduced graphene oxide (rGO), and rGO/Fe 3 O 4 nanocomposite were synthesized successfully and characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy analysis. The prepared nanomaterials were added to the culture of G. lucidum at final concentrations of 50, 100, and 150 mg/L on Day 5. The results showed that the elicitation of G. lucidum with GO and rGO decreased the cell dry weight and GA production slightly, especially in higher concentrations. However, rGO/Fe 3 O 4 nanocomposite not negatively affected cell growth and improved GA production. G. lucidum growth rate responded to elicitation experiments differently and depended on the type of nanomaterials and their concentrations, but almost all GBNs caused an increase in GA content (mg/100 mg dry weight). Also, field emission scanning electron microscopy morphological study showed that under elicitation, mycelia were more condensed and tightly stacked together. The findings from this study may suggest that GBNs in low concentrations could be applied as elicitors to secondary metabolites production from higher fungus, but further environmental, physiological, and biological studies required.

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Influence of Elicitors and Eustressors on the Production of Plant Secondary Metabolites

Cited by 31 publications

References 212 publications

Integrative effects of stress- and stress tolerance-inducing elicitors on in vitro bioactive compounds of ajowan [Trachyspermum ammi (L.) Sprague] medicinal plant

Integrative effects of stress- and stress tolerance-inducing elicitors on in vitro bioactive compounds of ajowan [Trachyspermum ammi (L.) Sprague] medicinal plant

Novel Non-Thermal Processing Technologies: Impact on Food Phenolic Compounds during Processing

Effects of different graphene‐based nanomaterials as elicitors on growth and ganoderic acid production by Ganoderma lucidum

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