Changes in peroxidase activity and lignin content of cultured tea cells in response to excess manganese(Plant Nutrition)
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概要
- 論文の詳細を見る
The present study was undertaken to identify the effects of manganese (Mn) on the activity of peroxidase (PO) and the amount of ascorbic acid (AsA) and lignin, as well as the cell viability of suspension-cultured tea cells (Camellia sinensis L. cv. Yabukita). Cells were grown in B5 medium (containing 0.06 mmol L^<-1> Mn) and cultured for 24 h in medium with a Mn concentration of 0.9 mmol L^<-1> as an excess treatment. No significant difference was observed between cellular growth and the viability of the cultured tea cells after treatment with excess Mn compared with cells grown under control conditions, although the content of Mn in cells in the excess Mn treatment was 12-fold higher than that of the control cells. The amount of total AsA was also not affected by the Mn treatment. The activity of ionically wall-bound peroxidase (IPO) increased in the presence of excess Mn, unlike the content of lignin. Conversely, the activities of soluble PO and covalently wall-bound PO decreased with excess Mn. These findings suggested that IPO might contribute to Mn tolerance in tea cells. However, its role in the mechanism(s) of Mn tolerance has not been elucidated.
- 社団法人日本土壌肥料学会の論文
著者
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MORITA Akio
Department of Neurosurgery and Stroke Unit, Kanto Medical Center, NTT East Corporation
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Morita A
Department Of Applied Biological Chemistry Faculty Of Agriculture Shizuoka University
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Morita Akio
Nuclear Science Research Facility Institute For Chemical Research Kyoto University
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Ishka Maryam
Department Of Biology Division Of Plant Science Faculty Of Science Tarbiat Modarres University
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Yokota H
Department Of Applied Biological Chemistry Faculty Of Agriculture Shizuoka University
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Yokota Hiromi
Department Of Agricultural Chemistry Shizuoka University
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Ghanati Faezeh
Department Of Biology Division Of Plant Science Faculty Of Science Tarbiat Modarres University
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Morita Akio
Department Of Applied Biological Chemistry Shizuoka Uiniversity
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