The combined effect of Cd and high light stress on the photochemical processes in Arabidopsis thaliana

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F25%3A00141687" target="_blank" >RIV/00216224:14310/25:00141687 - isvavai.cz</a>

Výsledek na webu

<a href="https://ps.ueb.cas.cz/artkey/phs-202502-0011_the-combined-effect-of-cd-and-high-light-stress-on-the-photochemical-processes-in-arabidopsis-thaliana.php" target="_blank" >https://ps.ueb.cas.cz/artkey/phs-202502-0011_the-combined-effect-of-cd-and-high-light-stress-on-the-photochemical-processes-in-arabidopsis-thaliana.php</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.32615/ps.2025.020" target="_blank" >10.32615/ps.2025.020</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The combined effect of Cd and high light stress on the photochemical processes in Arabidopsis thaliana

Popis výsledku v původním jazyce

The adverse effects of cadmium on plants are accompanied by a limitation of photosynthesis, due to the production of reactive oxygen species, leading to oxidative damage to PSII and the disruption of key protein complexes involved in photosynthetic pathways. We investigated the effects of cadmium stress combined with high light in Arabidopsis thaliana, as dependent on the cadmium dose applied. The aim was to investigate the combined effect of the two stressors on photochemical processes with the hypothesis that Cd stress enhances the negative effect of the high light. The plants were treated with 0, 1, 10, and 50 mM Cd added as CdCl2 solution to soil (potted plants), and a high light stress. The highest dose (50 mM) induced a significant oxidative stress, reduced chlorophyll fluorescence parameters related to PSII functioning and increased energy dissipation mechanisms. Elevated Cd contents impaired the electron transport and limited PSII efficiency. OJIP analysis revealed a Cd-induced K- and L-band appearance documenting LHC-PSII limitation. The combination of Cd and high light stress resulted in the photoinhibition effects in PSII, i.e., a decrease in potential and effective yields of PSII

Název v anglickém jazyce

The combined effect of Cd and high light stress on the photochemical processes in Arabidopsis thaliana

Popis výsledku anglicky

The adverse effects of cadmium on plants are accompanied by a limitation of photosynthesis, due to the production of reactive oxygen species, leading to oxidative damage to PSII and the disruption of key protein complexes involved in photosynthetic pathways. We investigated the effects of cadmium stress combined with high light in Arabidopsis thaliana, as dependent on the cadmium dose applied. The aim was to investigate the combined effect of the two stressors on photochemical processes with the hypothesis that Cd stress enhances the negative effect of the high light. The plants were treated with 0, 1, 10, and 50 mM Cd added as CdCl2 solution to soil (potted plants), and a high light stress. The highest dose (50 mM) induced a significant oxidative stress, reduced chlorophyll fluorescence parameters related to PSII functioning and increased energy dissipation mechanisms. Elevated Cd contents impaired the electron transport and limited PSII efficiency. OJIP analysis revealed a Cd-induced K- and L-band appearance documenting LHC-PSII limitation. The combination of Cd and high light stress resulted in the photoinhibition effects in PSII, i.e., a decrease in potential and effective yields of PSII

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10611 - Plant sciences, botany

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Photosynthetica

ISSN

0300-3604

e-ISSN

1573-9058

Svazek periodika

63

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

14

Strana od-do

182-195

Kód UT WoS článku

001528112400001

EID výsledku v databázi Scopus

2-s2.0-105010762338