Comparative effect of elicitors on the physiology and secondary metabolites in broccoli plants

Hassini, Ismahen; Ríos, Juan J.; García-Ibáñez, Paula; Baenas, Nieves; Carvajal, Micaela; Moreno, Diego A.

doi:10.1016/j.jplph.2019.05.008

Cited by 32 publications

(25 citation statements)

References 70 publications

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“…As well as for the total phenols, the trend of AA was directly proportional to salt concentration, demonstrating that the increase in the polyphenol content corresponds to a greater AA. These results reveal the possible use of salinity as an efficient technique for increasing the secondary metabolite content in plants grown for nutraceutical use, as documented for other elicitors or species (Bistgani et al, 2019;Hassini et al, 2019). In particular, in C. cardunculus, which is well-known for its high amount of polyphenolic compounds (Pandino et al, 2011), technical interventions based on the variation of NaCl concentrations in the germination solution could effectively modulate the bioactive molecules content in the sprouts.…”

Section: Discussionmentioning

confidence: 79%

Cynara cardunculus L. as a Multipurpose Crop for Plant Secondary Metabolites Production in Marginal Stressed Lands

et al. 2020

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Cardoon (Cynara cardunculus L.) is a Mediterranean crop, member of the Asteraceae family, characterized by high production of biomass and secondary metabolites and by a good adaptation to climate change, usable in green chemistry, nutraceutical, and pharmaceutical sectors. Recent studies demonstrated the ability of cardoon to grow up in a stressful environment, which is associated with enhanced biosynthesis of biologically active compounds in these plants, and this effect is increased by abiotic stresses (salt, heat, pollution, and drought stress) that characterize many world marginal areas, affected by the climate changes. The plant response to these stresses consists in implementing different processes that modify some plant biological functions, such as alleviating both cellular hyperosmolarity and ion disequilibrium or synthesizing antioxidant molecules. The aim of this work was to investigate different cardoon response mechanisms to abiotic stresses and to evaluate their influence on the biologically active compounds biosynthesis. Following this purpose, we analyzed the ability of cardoon seeds to germinate under different salt stress conditions, and on the sprouts obtained, we measured the total phenol content and the antioxidant activity. Moreover, the growth of cardoon seedlings grown under heavy metals stress conditions was monitored, and the expression levels of heavy metal transport-associated genes were analyzed. The results showed the ability of cardoon plants to tolerate abiotic stress, thanks to different defense mechanisms and the possibility to obtain biomass with high content of biologically active molecules by exploiting the natural tolerance of this species for abiotic stresses. Moreover, we identified some important genes encoding for metal transportation that may be involved in arsenic and cadmium uptake and translocation in C. cardunculus. Then, this species can be considered as a promising crop for green chemistry and energy in marginal lands.

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Section: Discussionmentioning

confidence: 79%

Cynara cardunculus L. as a Multipurpose Crop for Plant Secondary Metabolites Production in Marginal Stressed Lands

et al. 2020

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“…The different elicitation treatments were as follows: 100 μmol L −1 MeJA dissolved in 0.2% ethanol, 200 μmol L −1 SA dissolved in 0.2% ethanol, a combined treatment (SA + MeJA), and control plants treated only with distilled water. Concentrations were based on previous experiments performed under controlled conditions . Additionally, this solution was supplemented with a patented concentration of surfactant (PCT/ES2019/070457).…”

Section: Methodsmentioning

confidence: 99%

“…Concentrations were based on previous experiments performed under controlled conditions. 28 Additionally, this solution was supplemented with a patented concentration of surfactant (PCT/ES2019/070457). The applications were performed spraying 100 mL of elicitor solution individually to each plant.…”

Section: Plant Materials and Treatmentsmentioning

confidence: 99%

“…Similarly, salicylic acid (SA) is involved in systemic acquired resistance, to defend the plant against pathogens . Owing to its efficiency, elicitation has been widely used in order to stimulate the accumulation of health‐promoting GLSs in Brassica species . However, only a small set of publications has been obtained from field experiments …”

Section: Introductionmentioning

confidence: 99%

“…27 Owing to its efficiency, elicitation has been widely used in order to stimulate the accumulation of health-promoting GLSs in Brassica species. 28,29 However, only a small set of publications has been obtained from field experiments. 30,31 Nevertheless, the intense and bitter taste of broccoli affects its acceptability by consumers, hindering the promotion of the daily consumption of vegetables.…”

Section: Introductionmentioning

confidence: 99%

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Use of elicitation in the cultivation of Bimi® for food and ingredients

et al. 2020

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BACKGROUND Cruciferous foods rich in health‐promoting metabolites are of particular interest to consumers as well as being a good source of bioactives‐enriched ingredients. Several elicitors have been used to stimulate the biosynthesis and accumulation of secondary metabolites in foods; however, little is known about the response of new hybrid varieties, such as Bimi®, under field‐crop production conditions. Therefore, this study was designed to evaluate the effect of salicylic acid (200 μmol L−1, SA), methyl jasmonate (100 μmol L−1, MeJA), and their combination on Bimi plant organs (inflorescences and aerial vegetative tissues – stems and leaves). For this, the composition of the glucosinolates present in the tissues was evaluated. Also, aqueous extracts of the plant material, obtained with different times of extraction with boiling water, were studied. RESULTS The results indicate that the combined treatment (SA + MeJA) significantly increased the content of glucosinolates in the inflorescences and that MeJA was the most effective elicitor in leaves. Regarding the aqueous extracts, the greatest amount of glucosinolates was extracted at 30 min – except for the leaves elicited with MeJA, for which 15 min was optimal. CONCLUSION The elicitation in the field enriched leaves in glucobrassicin (GB), 4‐methoxyglucobrassicin (MGB), and neoglucobrassicin (NGB) and stems and inflorescences in glucoraphanin, 4‐hydroxyglucobrassicin, GB, MGB, and NGB. In this way, this enhanced vegetable material favored the presence of bioactives in the extracts, which is of great interest regarding enriched foods and ingredients with added value obtained from them. © 2019 Society of Chemical Industry

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Elicitor Signal Transduction Leading to the Production of Plant Secondary Metabolites

Saha¹,

Pal

2020

Advanced Structured Materials

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Comparative effect of elicitors on the physiology and secondary metabolites in broccoli plants

Cited by 32 publications

References 70 publications

Cynara cardunculus L. as a Multipurpose Crop for Plant Secondary Metabolites Production in Marginal Stressed Lands

Cynara cardunculus L. as a Multipurpose Crop for Plant Secondary Metabolites Production in Marginal Stressed Lands

Use of elicitation in the cultivation of Bimi® for food and ingredients

Elicitor Signal Transduction Leading to the Production of Plant Secondary Metabolites

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