Aluminium-induced drought and oxidative stress in barley roots

Journal of Plant Physiology
L TamásB Siroká

Abstract

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.

References

Sep 7, 2001·Trends in Plant Science·F A HoekstraJ Buitink
Dec 17, 2002·Phytochemistry·Patricia R S BoscoloRenato A Jorge
Jun 14, 2003·Plant, Cell & Environment·I. FinkemeierK.-J. Dietz

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Citations

Apr 2, 2009·Journal of Experimental Botany·Suping ZhouTheodore W Thannhauser
Jan 9, 2014·Plant Physiology and Biochemistry : PPB·Jie ZhanLong-Fei He
Sep 21, 2010·Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine·Luciane Belmonte PereiraMaria R C Schetinger
Mar 30, 2013·Journal of Plant Physiology·Sónia SilvaConceição Santos
Mar 7, 2012·Plant Physiology and Biochemistry : PPB·Sónia SilvaConceição Santos
Oct 6, 2020·Frontiers in Plant Science·Hanmei DuSuzhi Zhang
Feb 6, 2017·The New Phytologist·Ayalew Ligaba-OsenaMiguel Piñeros
Sep 4, 2013·Journal of Inorganic Biochemistry·Luciane Belmonte PereiraMaria R C Schetinger
Jun 18, 2010·Plant Physiology and Biochemistry : PPB·Luciane Belmonte PereiraMaria R C Schetinger
Jan 14, 2012·Ecotoxicology and Environmental Safety·Reginaldo GeremiasValfredo Tadeu de Fávere

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