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Modifications in gene expression and phenolic compounds content by methyl jasmonate and fungal elicitors in Ficus carica. Cv. Siah hairy root cultures.
Amani, Shahla; Mohebodini, Mehdi; Khademvatan, Shahram; Jafari, Morad; Kumar, Vinod.
Afiliación
  • Amani S; Department of Horticulture Sciences, University of Mohaghegh Ardabili, Ardabil, Iran. amanishahla@yahoo.com.
  • Mohebodini M; Department of Horticulture Sciences, University of Mohaghegh Ardabili, Ardabil, Iran. mohebodini@uma.ac.ir.
  • Khademvatan S; Cellular and Molecular Research Center, Department of Medical Parasitology and Mycology, Urmia University of Medical Sciences, Urmia, Iran.
  • Jafari M; Department of Plant Production and Genetics, Urmia University, Urmia, Iran.
  • Kumar V; School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, UK.
BMC Plant Biol ; 24(1): 520, 2024 Jun 10.
Article en En | MEDLINE | ID: mdl-38853268
ABSTRACT

BACKGROUND:

One of the most effective strategies to increase phytochemicals production in plant cultures is elicitation. In the present study, we studied the effect of abiotic and biotic elicitors on the growth, key biosynthetic genes expression, antioxidant capacity, and phenolic compounds content in Rhizobium (Agrobacterium) rhizogenes-induced hairy roots cultures of Ficus carica cv. Siah.

METHODS:

The elicitors included methyl jasmonate (MeJA) as abiotic elicitor, culture filtrate and cell extract of fungus Piriformospora indica as biotic elicitors were prepared to use. The cultures of F. carica hairy roots were exposed to elicitores at different time points. After elicitation treatments, hairy roots were collected, and evaluated for growth index, total phenolic (TPC) and flavonoids (TFC) content, antioxidant activity (2,2-diphenyl-1-picrylhydrazyl, DPPH and ferric ion reducing antioxidant power, FRAP assays), expression level of key phenolic/flavonoid biosynthesis genes, and high-performance liquid chromatography (HPLC) analysis of some main phenolic compounds in comparison to control.

RESULTS:

Elicitation positively or negatively affected the growth, content of phenolic/flavonoid compounds and DPPH and FRAP antioxidant activities of hairy roots cultures in depending of elicitor concentration and exposure time. The maximum expression level of chalcone synthase (CHS 55.1), flavonoid 3'-hydroxylase (F3'H 34.33) genes and transcription factors MYB3 (32.22), Basic helix-loop-helix (bHLH 45.73) was induced by MeJA elicitation, whereas the maximum expression level of phenylalanine ammonia-lyase (PAL 26.72) and UDP-glucose flavonoid 3-O-glucosyltransferase (UFGT 27.57) genes was obtained after P. indica culture filtrate elicitation. The P. indica elicitation also caused greatest increase in the content of gallic acid (5848 µg/g), caffeic acid (508.2 µg/g), rutin (43.5 µg/g), quercetin (341 µg/g), and apigenin (1167 µg/g) phenolic compounds.

CONCLUSIONS:

This study support that elicitation of F. carica cv. Siah hairy roots can be considered as an effective biotechnological method for improved phenolic/flavonoid compounds production, and of course this approach requires further research.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Fenoles / Raíces de Plantas / Ciclopentanos / Ficus / Oxilipinas / Acetatos Idioma: En Revista: BMC Plant Biol Asunto de la revista: BOTANICA Año: 2024 Tipo del documento: Article País de afiliación: Irán

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Fenoles / Raíces de Plantas / Ciclopentanos / Ficus / Oxilipinas / Acetatos Idioma: En Revista: BMC Plant Biol Asunto de la revista: BOTANICA Año: 2024 Tipo del documento: Article País de afiliación: Irán