Increased Levels of Monodehydroascorbate Radical in UV-B-Irradiated Broad Bean Leaves
スポンサーリンク
概要
- 論文の詳細を見る
Light-induced monodehydroascorbate (MDA) radical production was not detectable by EPR spectroscopy in untreated broad bean leaves, but it was observed after exposing the leaves to UV-B (280-320 nm) irradiation. After this pre-treatment, a low level of MDA radicals was also detectable without illumination. Light-induced MDA, MDA production in the dark, oxygen evolution, quantum yield of PSII as measured by Chl fluorescence, MDA producing and reducing enzyme activities were determined and compared in leaves after irradiation with various doses of UV-B. Our results suggest that UV-B irradiation disturbs the balance of MDA radical production and reduction, resulting in increased light induced MDA signal. The enhancement of ascorbate photooxidation at the UV-B dam-aged donor side of PSII appears as a major factor in this
- 日本植物生理学会の論文
著者
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Asada K
Fukuyama Univ. Hiroshima Jpn
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Asada Kozi
Dept. Biotech Fac. Engin. Fukuyama Univ.
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Asada Kozi
Faculty Of Bioscience And Biotechnology Fukuyama University
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Asada K
The Research Institute For Food Science Kyoto University
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Asada Kozi
The Research Institute for Food Science, Kyoto University
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Hideg Eva
The Research Institute for Food Science, Kyoto University
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Mano Junichi
The Research Institute for Food Science, Kyoto University
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Ohno Chiaki
The Research Institute for Food Science, Kyoto University
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OHNO Chiaki
Res.Inst.Food Sci., Kyoto Univ.
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Asada Kozi
The Research Institute For Food Science Kyoto University:(present)department Of Biotechnology Facult
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Hideg E
Biological Res. Center Szeged Hun
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Hideg Eva
The Research Institute For Food Science Kyoto University:institute Of Plant Biology Biological Resea
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Ohno Chiaki
Res.inst.food Sci. Kyoto Univ.
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Mano Jun'ichi
Faculty Of Agriculture Yamaguchi University
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Mano Junichi
The Research Institute For Food Science Kyoto University
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Mano Junichi
Res. Inst. Food Sci. Kyoto University Uji Kyoto
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Asada Kozi
The Research Institute For Food Science Kyoto Niversity
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Mano J
Faculty Of Agriculture Yamaguchi University
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Asada Kozu
The Research Institute For Food Science Kyoto University
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Asada Kozi
The Research Institulefor Fbod Science Kyoto University
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