PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni

This study addresses the favourable effects of drought stress imposed by polyethylene glycol (PEG) 6000 on the micropropagated shoots of <i<Stevia rebaudiana</i<. Various concentrations, i.e., 0, 0.5, 1, 2, and 4% of PEG 6000 were applied to the nodal shoot explants for four weeks, and t...
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Gespeichert in:

Autor*in:	Muhammad Arslan Ahmad [verfasserIn] Rabia Javed [verfasserIn] Muhammad Adeel [verfasserIn] Muhammad Rizwan [verfasserIn] Yuesuo Yang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	steviol glycosides (SGs) antioxidant activities polyethylene glycol (PEG) drought stress

Übergeordnetes Werk:	In: Plants - MDPI AG, 2013, 9(2020), 11, p 1552
Übergeordnetes Werk:	volume:9 ; year:2020 ; number:11, p 1552

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/plants9111552

Katalog-ID:	DOAJ035567422

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callnumber-first	Q - Science
author	Muhammad Arslan Ahmad
spellingShingle	Muhammad Arslan Ahmad misc QK1-989 misc <i<Stevia rebaudiana</i< misc steviol glycosides (SGs) misc antioxidant activities misc polyethylene glycol (PEG) misc drought stress misc Botany PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni
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topic_title	QK1-989 PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni <i<Stevia rebaudiana</i< steviol glycosides (SGs) antioxidant activities polyethylene glycol (PEG) drought stress
topic	misc QK1-989 misc <i<Stevia rebaudiana</i< misc steviol glycosides (SGs) misc antioxidant activities misc polyethylene glycol (PEG) misc drought stress misc Botany
topic_unstemmed	misc QK1-989 misc <i<Stevia rebaudiana</i< misc steviol glycosides (SGs) misc antioxidant activities misc polyethylene glycol (PEG) misc drought stress misc Botany
topic_browse	misc QK1-989 misc <i<Stevia rebaudiana</i< misc steviol glycosides (SGs) misc antioxidant activities misc polyethylene glycol (PEG) misc drought stress misc Botany
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title	PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni
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title_full	PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni
author_sort	Muhammad Arslan Ahmad
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author_browse	Muhammad Arslan Ahmad Rabia Javed Muhammad Adeel Muhammad Rizwan Yuesuo Yang
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author-letter	Muhammad Arslan Ahmad
doi_str_mv	10.3390/plants9111552
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title_sort	peg 6000-stimulated drought stress improves the attributes of in vitro growth, steviol glycosides production, and antioxidant activities in <i<stevia rebaudiana</i< bertoni
callnumber	QK1-989
title_auth	PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni
abstract	This study addresses the favourable effects of drought stress imposed by polyethylene glycol (PEG) 6000 on the micropropagated shoots of <i<Stevia rebaudiana</i<. Various concentrations, i.e., 0, 0.5, 1, 2, and 4% of PEG 6000 were applied to the nodal shoot explants for four weeks, and the influence produced on shoots growth parameters, bioactive steviol glycosides (rebaudioside A and stevioside), and nonenzymatic antioxidant activities (total phenolic content (TPC), total flavonoid content (TFC), total antioxidant capacity (TAC), total reducing power (TRP) and 1,1-diphenyl-2-picrylhydrazyl(DPPH)-free radical scavenging activity (FRSA)) was elucidated. The significantly highest yield (92.4% direct shoot organogenesis) and secondary metabolites (2.94% Reb A, 2.52% ST, 95.3% DPPH-FRSA, 15.0% TPC, 13.0 µg/mg TFC, 22.3 µg/mg TAC, and 19.8 µg/mg TRP) production in response to abiotic stress elicitors was obtained in Murashige and Skoog (MS) medium treatment provided with 4% of PEG 6000. The overall trend was significant enhancement of growth dynamics and pharmaceutical compounds from control to 4% of PEG 6000 concentration as a defensive response against reactive oxygen species (ROS) produced in excess by water deficit. This is a very promising study to be employed in bioreactors to get markedly enhanced content of compounds of medicinal importance in the pharmaceutical market.
abstractGer	This study addresses the favourable effects of drought stress imposed by polyethylene glycol (PEG) 6000 on the micropropagated shoots of <i<Stevia rebaudiana</i<. Various concentrations, i.e., 0, 0.5, 1, 2, and 4% of PEG 6000 were applied to the nodal shoot explants for four weeks, and the influence produced on shoots growth parameters, bioactive steviol glycosides (rebaudioside A and stevioside), and nonenzymatic antioxidant activities (total phenolic content (TPC), total flavonoid content (TFC), total antioxidant capacity (TAC), total reducing power (TRP) and 1,1-diphenyl-2-picrylhydrazyl(DPPH)-free radical scavenging activity (FRSA)) was elucidated. The significantly highest yield (92.4% direct shoot organogenesis) and secondary metabolites (2.94% Reb A, 2.52% ST, 95.3% DPPH-FRSA, 15.0% TPC, 13.0 µg/mg TFC, 22.3 µg/mg TAC, and 19.8 µg/mg TRP) production in response to abiotic stress elicitors was obtained in Murashige and Skoog (MS) medium treatment provided with 4% of PEG 6000. The overall trend was significant enhancement of growth dynamics and pharmaceutical compounds from control to 4% of PEG 6000 concentration as a defensive response against reactive oxygen species (ROS) produced in excess by water deficit. This is a very promising study to be employed in bioreactors to get markedly enhanced content of compounds of medicinal importance in the pharmaceutical market.
abstract_unstemmed	This study addresses the favourable effects of drought stress imposed by polyethylene glycol (PEG) 6000 on the micropropagated shoots of <i<Stevia rebaudiana</i<. Various concentrations, i.e., 0, 0.5, 1, 2, and 4% of PEG 6000 were applied to the nodal shoot explants for four weeks, and the influence produced on shoots growth parameters, bioactive steviol glycosides (rebaudioside A and stevioside), and nonenzymatic antioxidant activities (total phenolic content (TPC), total flavonoid content (TFC), total antioxidant capacity (TAC), total reducing power (TRP) and 1,1-diphenyl-2-picrylhydrazyl(DPPH)-free radical scavenging activity (FRSA)) was elucidated. The significantly highest yield (92.4% direct shoot organogenesis) and secondary metabolites (2.94% Reb A, 2.52% ST, 95.3% DPPH-FRSA, 15.0% TPC, 13.0 µg/mg TFC, 22.3 µg/mg TAC, and 19.8 µg/mg TRP) production in response to abiotic stress elicitors was obtained in Murashige and Skoog (MS) medium treatment provided with 4% of PEG 6000. The overall trend was significant enhancement of growth dynamics and pharmaceutical compounds from control to 4% of PEG 6000 concentration as a defensive response against reactive oxygen species (ROS) produced in excess by water deficit. This is a very promising study to be employed in bioreactors to get markedly enhanced content of compounds of medicinal importance in the pharmaceutical market.
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container_issue	11, p 1552
title_short	PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni
url	https://doi.org/10.3390/plants9111552 https://doaj.org/article/b7cc0f77aebf41b9b6dde001221365fb https://www.mdpi.com/2223-7747/9/11/1552 https://doaj.org/toc/2223-7747
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The overall trend was significant enhancement of growth dynamics and pharmaceutical compounds from control to 4% of PEG 6000 concentration as a defensive response against reactive oxygen species (ROS) produced in excess by water deficit. 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PEG 6000-Stimulated Drought Stress Improves the Attributes of In Vitro Growth, Steviol Glycosides Production, and Antioxidant Activities in <i<Stevia rebaudiana</i< Bertoni

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