Effect of heat stress on glutathione biosynthesis in wheat

Research output: Article

17 Citations (Scopus)

Abstract

A relationship was found between the frost sensitivity and glutathione accumulation during cold treatment in wheat. The aim of the present study was to investigate in the same genotypes whether there is also a relationship between the frost sensitivity and the glutathione accumulation during high temperature stress. The glutathione and hyroxy-methylglutathione content as well as the activity of the two enzymes of glutathione synthesis was greater in the frost-sensitive genotypes than in the tolerant ones during heat stress. High temperature stress resulted in a greater ratio of the reduced to oxidised non-protein thiols and the greater glutathione reductase activity in the sensitive genotypes. Thus, it can be established that the GSH accumulation induced by heat stress depends on the frost sensitivity of wheat.

Original languageEnglish
Pages (from-to)71-72
Number of pages2
JournalActa Biologica Szegediensis
Volume46
Issue number3-4
Publication statusPublished - 2002

Fingerprint

Biosynthesis
frost
Triticum
Glutathione
heat stress
glutathione
Hot Temperature
biosynthesis
wheat
Genotype
genotype
Temperature
Glutathione Reductase
glutathione-disulfide reductase
thiols
Sulfhydryl Compounds
temperature
synthesis
Enzymes
enzymes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Cell Biology
  • Applied Microbiology and Biotechnology
  • Neuroscience(all)

Cite this

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keywords = "Glutathione, Heat stress, Wheat",
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T1 - Effect of heat stress on glutathione biosynthesis in wheat

AU - Kocsy, G.

AU - Szalai, G.

AU - Galiba, G.

PY - 2002

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N2 - A relationship was found between the frost sensitivity and glutathione accumulation during cold treatment in wheat. The aim of the present study was to investigate in the same genotypes whether there is also a relationship between the frost sensitivity and the glutathione accumulation during high temperature stress. The glutathione and hyroxy-methylglutathione content as well as the activity of the two enzymes of glutathione synthesis was greater in the frost-sensitive genotypes than in the tolerant ones during heat stress. High temperature stress resulted in a greater ratio of the reduced to oxidised non-protein thiols and the greater glutathione reductase activity in the sensitive genotypes. Thus, it can be established that the GSH accumulation induced by heat stress depends on the frost sensitivity of wheat.

AB - A relationship was found between the frost sensitivity and glutathione accumulation during cold treatment in wheat. The aim of the present study was to investigate in the same genotypes whether there is also a relationship between the frost sensitivity and the glutathione accumulation during high temperature stress. The glutathione and hyroxy-methylglutathione content as well as the activity of the two enzymes of glutathione synthesis was greater in the frost-sensitive genotypes than in the tolerant ones during heat stress. High temperature stress resulted in a greater ratio of the reduced to oxidised non-protein thiols and the greater glutathione reductase activity in the sensitive genotypes. Thus, it can be established that the GSH accumulation induced by heat stress depends on the frost sensitivity of wheat.

KW - Glutathione

KW - Heat stress

KW - Wheat

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