Effects of salicylic acid on the production of polyphenols and the reducing power of Theobroma cacao calli

Rosabal, Lillien Fajardo; Puebla, Yans Guardia; Pérez, Suyen Rodríguez; Cordoví, Ursula M. Rosabal; Pupo, Juan Silva; Werbrouck, Stefaan

doi:10.1016/j.crbiot.2021.12.005

Cited by 7 publications

(2 citation statements)

References 29 publications

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“…It is clearly seen that SA application influences the yield of active components. A similar effect of SA was reported to produce secoiridoid and xanthone glycoside in Swertia paniculata (Kaur et al, 2020), total phenolics and flavonoids in callus cultures of Givotia moluccana (Woch et al, 2023) and polyphenols in callus of Theobroma cacao (Rosabal et al, 2022). In contrast, it was reported that the Jasmonic Acid-treated callus produces elevated mangiferin content in the callus culture of S. chinensis (Chavan et al, 2021).…”

Section: Discussion Discussion Discussionsupporting

confidence: 62%

Production of an important antidiabetic compound mangiferin through elicitation in Salacia chinensis under in vivo condition

NIKULE,

NIKAM,

SHIRKE

et al. 2023

Not Sci Biol

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Salacia chinensis L. (Celastraceae) is an important antidiabetic and anticancer plant. Mangiferin is a principal bioactive component of this plant and is well known for important antidiabetic and anticancer properties. The objectives of the present study were to examine the accumulation of mangiferin in S. chinensis grown under in vivo conditions, upon application of abiotic (NaCl and salicylic acid) and biotic elicitors (mycorrhiza, Pseudomonas aeruginosa) and fungal endophytes (Cladosporium tenuissimum and Trichoderma atroviride). The present study shows that bioactive metabolite accumulation was recorded in all tested plant parts. Significantly, mangiferin content was more elevated in treated plant parts as compared to non-treated ones. NaCl treated plant had higher production of mangiferin than other treatments. Mangiferin content was higher at 50 mM NaCl (368.8 ±5.6 µg/g DW), which is 2.08 times higher than the control (160.05± 2.5 µg/g DW). Upon foliar spray of salicylic acid (100 µM), root mangiferin content (263.80±5.14 µg/g DW) was 1.04 times higher than the control. Among the biotic elicitors, plants treated with P. aeruginosa produced more mangiferin than mycorrhiza-treated ones in tested plant parts. Overall, the root (368.8 5.6 µg/g DW) produced a higher quantity of mangiferin than the stem (297.91±4.05 µg/g DW) and leaves (168.36±5.25 µg/g DW) in S. chinensis. This is the first report on the exogenous application of endophytes in vivo to elicit mangiferin in different parts of S. chinensis. The current investigation revealed that isolated fungal endophytes can be used to produce industrially important bioactive metabolites at a large scale.

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Section: Discussion Discussion Discussionsupporting

confidence: 62%

Production of an important antidiabetic compound mangiferin through elicitation in Salacia chinensis under in vivo condition

NIKULE,

NIKAM,

SHIRKE

et al. 2023

Not Sci Biol

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“…This study represents the first report on the development of genetic engineering applications through genetic transformation in Peruvian cocoa leaves clone IMC-67 (Florez et al, 2015;Fister et al, 2018). Furthermore, the calluses obtained can be used as useful explants for the production of secondary metabolites of interest, such as phenolic compounds (Rosabal et al, 2022).…”

Section: Transformation Of Cocoa Leaves Mediated By Agrobacteriummentioning

confidence: 91%

Response of the transcription factor BABY BOOM of Arabidopsis thaliana L. in the formation of embryogenic calluses of cocoa leaves (Theobroma cacao L.)

Alburqueque-Vasquez,

Hernández-Amasifuen,

Pineda-Lázaro

et al. 2023

Sci. agropecu.

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Cocoa (Theobroma cacao L.) is one of the most important economic crops worldwide. The propagation of elite varieties of cocoa has been achieved through somatic embryogenesis, but still one of the main limitations is the low rates of embryo formation, which is a genotype-dependent trait. Manipulation of transcription factors (TFs) such as BABY BOOM (BBM) promotes the transition of cocoa somatic cells from the vegetative to the embryonic state. This work validated the use of clonal cocoa leaves cv. IMC-67 to induce somatic embryogenesis, overcoming their recalcitrant limitation with the help of the introduction of TF-BBM from Arabidopsis thaliana (AtBBM). The vectors were constructed by the Gateway system using the donor vector pENTR/D-TOPO and the expression vector pk7WG2. The overexpression vector pk7WG2:AtBBM was obtained, allowing successful transformation into Agrobacterium tumefaciens GV3101. The AtBBM gene was characterized (1755 base pairs), and its expression was observed in the formation of embryogenic calluses in cocoa leaves. Overexpression of AtBBM allowed the obtainment of a 92% response in the formation of embryogenic callus in cocoa leaves with Agrobacterium-mediated vacuum infiltration and overexpression of the pk7WG2:AtBBM vector. This high transformation efficiency reached with the insertion of the overexpression vector provides validation of transient response of the TF AtBBM in the formation of embryogenic calluses in cocoa leaves of the IMC-67 clone. Through this methodology, it is possible to continue with studies of gene overexpression, insertion, silencing, and gene editing in Peruvian cocoa.

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Plant Protection by Tannins Depends on Defence-Related Phytohormones

Iqbal,

Poór

2024

J Plant Growth Regul

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Plants produce a wide variety of secondary metabolites to sustain and protect themselves against a wide range of stresses. Among these metabolites, tannins are one of the most abundant polyphenolic compounds, accounting for 25% of the dry weight of leaves, roots and bark of woody plants, but are also abundant in flowering and seed-producing plants. The presence of tannins in these organs serves to protect plants against herbivorous and pathogenic attack through their antidigestive and antimicrobial properties. In addition, tannins play a role in regulating plant growth and development by inhibiting the consumption of unripe fruits due to their astringency. In addition, several studies have also revealed various roles of them under environmental stresses. Tannins can be classified into condensed tannins (CTs), hydrolysable tannins (HTs) and phlorotannins. They are synthesised in plants via the acetate–malonate and shikimic acid pathways. Their accumulation is regulated by several transcription factors during normal development and under different stress conditions. Despite their multiple roles in plant life, information on the regulation of tannin metabolism by defence-related phytohormones is very limited. To cope with biotic and abiotic stresses, plant responses are regulated by defence-related phytohormones such as salicylic acid (SA), jasmonic acid (JA), ethylene (ET) and abscisic acid (ABA), which act as regulators of tannin production under adverse conditions. This review focuses on tannin production, moreover its occurrence, defence potential and regulation by phytohormones under different environmental and biotic stresses, based on the most recent and relevant data. Graphical Abstract

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Effects of salicylic acid on the production of polyphenols and the reducing power of Theobroma cacao calli

Cited by 7 publications

References 29 publications

Production of an important antidiabetic compound mangiferin through elicitation in Salacia chinensis under in vivo condition

Production of an important antidiabetic compound mangiferin through elicitation in Salacia chinensis under in vivo condition

Response of the transcription factor BABY BOOM of Arabidopsis thaliana L. in the formation of embryogenic calluses of cocoa leaves (Theobroma cacao L.)

Plant Protection by Tannins Depends on Defence-Related Phytohormones

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