Hormonal dynamics during salt stress responses of salt-sensitive Arabidopsis thaliana and salt-tolerant Thellungiella salsuginea

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F17%3A00481222" target="_blank" >RIV/61389030:_____/17:00481222 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11310/17:10366492

Result on the web

<a href="http://dx.doi.org/10.1016/j.plantsci.2017.07.020" target="_blank" >http://dx.doi.org/10.1016/j.plantsci.2017.07.020</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.plantsci.2017.07.020" target="_blank" >10.1016/j.plantsci.2017.07.020</a>

Result language

angličtina

Original language name

Hormonal dynamics during salt stress responses of salt-sensitive Arabidopsis thaliana and salt-tolerant Thellungiella salsuginea

Original language description

Salt stress responses in salt-sensitive Arabidopsis thaliana (2–150 mM NaCl) and the closely related salt-tolerant Thellungiella salsuginea (Eutrema halophila, 150–350 mM NaCl) were compared to identify hormonal and transcriptomic changes associated with enhanced stress tolerance. Phytohormone levels, expression of selected genes, membrane stability, and Na + and K + concentrations were measured in shoot apices, leaves, and roots. Thellungiella exhibited higher salt stress tolerance associated with elevated basal levels of abscisic acid and jasmonic acid, and lower levels of active cytokinins (excluding cis-zeatin) in shoot apices. Analysis of the dynamics of the early salt stress response (15 min to 24 h) revealed that the halophyte response was faster and stronger. Very mild stress, in our hydropony arrangement 2–25 mM NaCl, affected the transcription of genes involved in cytokinin metabolism (AtIPTs, AtCKXs). Mild stress induced in Arabidopsis (50 mM) stress responses only in shoot apices, while in Thellungiella (150 mM) across the whole plant. Arabidopsis exhibited in hydropony evidence of severe stress above 75 mM NaCl and died in 150 mM, whereas the halophyte only became severely stressed above 225 mM. The responses of individual phytohormones (cytokinins, auxin, abscisic acid, jasmonic acid, salicylic acid and their metabolites) to salinity are discussed.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10611 - Plant sciences, botany

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Plant Science

ISSN

0168-9452

e-ISSN

—

Volume of the periodical

264

Issue of the periodical within the volume

NOV

Country of publishing house

IE - IRELAND

Number of pages

11

Pages from-to

188-198

UT code for WoS article

000413614600019

EID of the result in the Scopus database

2-s2.0-85030087149