Aluminium-induced drought and oxidative stress in barley roots

The aim of the present study was to examine the relation between Al accumulation in root tissues, root growth inhibition, root water content, cell viability and expression of oxidative and drought stress-related genes in barley roots growing on the filter paper. Al-induced root growth inhibition cor...

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Veröffentlicht in:Journal of plant physiology. - 1979. - 163(2006), 7 vom: 08. Mai, Seite 781-4
1. Verfasser: Tamás, Ladislav (VerfasserIn)
Weitere Verfasser: Huttová, Jana, Mistrík, Igor, Simonovicová, Marta, Siroká, Beáta
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Water 059QF0KO0R Aluminum CPD4NFA903
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520 |a The aim of the present study was to examine the relation between Al accumulation in root tissues, root growth inhibition, root water content, cell viability and expression of oxidative and drought stress-related genes in barley roots growing on the filter paper. Al-induced root growth inhibition correlated with Al uptake and cell death. Water content of Al-treated root represented only half of the control one. The expression of the dehydrin gene dhn4, which is a marker for drought stress in plant tissues, was strongly induced during Al stress. Al treatment also induced expression of oxidative stress-related genes such as glutathione peroxidase (gpx), pathogen-related peroxidase (prx8), glutathione reductase (gr) and dehydroascorbate reductase (dhar). The present results suggest correlation between Al uptake, Al-induced drought stress, oxidative stress, cell death and root growth inhibition 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Huttová, Jana  |e verfasserin  |4 aut 
700 1 |a Mistrík, Igor  |e verfasserin  |4 aut 
700 1 |a Simonovicová, Marta  |e verfasserin  |4 aut 
700 1 |a Siroká, Beáta  |e verfasserin  |4 aut 
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