Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro

Abstract Plant hormones regulate numerous developmental and physiological processes. Abiotic stresses considerably affect production and distribution of phytohormones as the stress signal triggers. The homeostasis of plant hormones is controlled by their de novo synthesis and catabolism. The aim of...

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Autores principales:	Milana Trifunović-Momčilov, Václav Motyka, Petre I. Dobrev, Marija Marković, Snežana Milošević, Slađana Jevremović, Ivana Č. Dragićević, Angelina Subotić
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/32e4c3b14e0e4b5ea87fefe0dcc98810
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spelling	oai:doaj.org-article:32e4c3b14e0e4b5ea87fefe0dcc988102021-11-08T10:55:51ZPhytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro10.1038/s41598-021-00866-72045-2322https://doaj.org/article/32e4c3b14e0e4b5ea87fefe0dcc988102021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00866-7https://doaj.org/toc/2045-2322Abstract Plant hormones regulate numerous developmental and physiological processes. Abiotic stresses considerably affect production and distribution of phytohormones as the stress signal triggers. The homeostasis of plant hormones is controlled by their de novo synthesis and catabolism. The aim of this work was to analyse the contents of total and individual groups of endogenous cytokinins (CKs) as well as indole-3-acetic acid (IAA) in AtCKX overexpressing centaury plants grown in vitro on graded NaCl concentrations (0, 50, 100, 150, 200 mM). The levels of endogenous stress hormones including abscisic acid (ABA), salicylic acid (SA) and jasmonic acid (JA) were also detected. The elevated contents of total CKs were found in all analysed centaury shoots. Furthermore, increased amounts of all five CK groups, as well as enhanced total CKs were revealed on graded NaCl concentrations in non-transformed and AtCKX roots. All analysed AtCKX centaury lines exhibited decreased amounts of endogenous IAA in shoots and roots. Consequently, the IAA/bioactive CK forms ratios showed a significant variation in the shoots and roots of all AtCKX lines. In shoots and roots of both non-transformed and AtCKX transgenic centaury plants, salinity was associated with an increase of ABA and JA and a decrease of SA content.Milana Trifunović-MomčilovVáclav MotykaPetre I. DobrevMarija MarkovićSnežana MiloševićSlađana JevremovićIvana Č. DragićevićAngelina SubotićNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Milana Trifunović-Momčilov Václav Motyka Petre I. Dobrev Marija Marković Snežana Milošević Slađana Jevremović Ivana Č. Dragićević Angelina Subotić Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
description	Abstract Plant hormones regulate numerous developmental and physiological processes. Abiotic stresses considerably affect production and distribution of phytohormones as the stress signal triggers. The homeostasis of plant hormones is controlled by their de novo synthesis and catabolism. The aim of this work was to analyse the contents of total and individual groups of endogenous cytokinins (CKs) as well as indole-3-acetic acid (IAA) in AtCKX overexpressing centaury plants grown in vitro on graded NaCl concentrations (0, 50, 100, 150, 200 mM). The levels of endogenous stress hormones including abscisic acid (ABA), salicylic acid (SA) and jasmonic acid (JA) were also detected. The elevated contents of total CKs were found in all analysed centaury shoots. Furthermore, increased amounts of all five CK groups, as well as enhanced total CKs were revealed on graded NaCl concentrations in non-transformed and AtCKX roots. All analysed AtCKX centaury lines exhibited decreased amounts of endogenous IAA in shoots and roots. Consequently, the IAA/bioactive CK forms ratios showed a significant variation in the shoots and roots of all AtCKX lines. In shoots and roots of both non-transformed and AtCKX transgenic centaury plants, salinity was associated with an increase of ABA and JA and a decrease of SA content.
format	article
author	Milana Trifunović-Momčilov Václav Motyka Petre I. Dobrev Marija Marković Snežana Milošević Slađana Jevremović Ivana Č. Dragićević Angelina Subotić
author_facet	Milana Trifunović-Momčilov Václav Motyka Petre I. Dobrev Marija Marković Snežana Milošević Slađana Jevremović Ivana Č. Dragićević Angelina Subotić
author_sort	Milana Trifunović-Momčilov
title	Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
title_short	Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
title_full	Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
title_fullStr	Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
title_full_unstemmed	Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro
title_sort	phytohormone profiles in non-transformed and atckx transgenic centaury (centaurium erythraea rafn) shoots and roots in response to salinity stress in vitro
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/32e4c3b14e0e4b5ea87fefe0dcc98810
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Phytohormone profiles in non-transformed and AtCKX transgenic centaury (Centaurium erythraea Rafn) shoots and roots in response to salinity stress in vitro

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