Transgenic Arabidopsis plants expressing the rice dehydroascorbate reductase gene are resistant to salt stress

Vitamin C (l-ascorbate) is important for antioxidative and metabolic functions in both plants and humans. Ascorbate itself is oxidized to dehydroascorbate during the process of antioxidation, and dehydroascorbate reductase (DHAR, EC 1.8.5.1) re-reduces the oxidized ascorbate. Therefore, this enzyme...

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Veröffentlicht in:Journal of plant physiology. - 1979. - 163(2006), 11 vom: 02. Nov., Seite 1179-84
1. Verfasser: Ushimaru, Takashi (VerfasserIn)
Weitere Verfasser: Nakagawa, Tomofumi, Fujioka, Yuko, Daicho, Katsue, Naito, Makiko, Yamauchi, Yuzo, Nonaka, Hideko, Amako, Katsumi, Yamawaki, Kazuki, Murata, Norio
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 Sodium Chloride 451W47IQ8X Oxidoreductases EC 1.- glutathione dehydrogenase (ascorbate) EC 1.8.5.1 Ascorbic Acid PQ6CK8PD0R
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245 1 0 |a Transgenic Arabidopsis plants expressing the rice dehydroascorbate reductase gene are resistant to salt stress 
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500 |a Date Revised 08.04.2022 
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520 |a Vitamin C (l-ascorbate) is important for antioxidative and metabolic functions in both plants and humans. Ascorbate itself is oxidized to dehydroascorbate during the process of antioxidation, and dehydroascorbate reductase (DHAR, EC 1.8.5.1) re-reduces the oxidized ascorbate. Therefore, this enzyme is assumed to be critical for ascorbate recycling. Here we show that the expression of rice DHAR in transgenic Arabidopsis thaliana enhanced resistance to salt stress. Salt tolerance was remarkably improved despite slight increases in DHAR activity and total ascorbate. This study provides direct evidence for the importance of DHAR in salt tolerance 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Nakagawa, Tomofumi  |e verfasserin  |4 aut 
700 1 |a Fujioka, Yuko  |e verfasserin  |4 aut 
700 1 |a Daicho, Katsue  |e verfasserin  |4 aut 
700 1 |a Naito, Makiko  |e verfasserin  |4 aut 
700 1 |a Yamauchi, Yuzo  |e verfasserin  |4 aut 
700 1 |a Nonaka, Hideko  |e verfasserin  |4 aut 
700 1 |a Amako, Katsumi  |e verfasserin  |4 aut 
700 1 |a Yamawaki, Kazuki  |e verfasserin  |4 aut 
700 1 |a Murata, Norio  |e verfasserin  |4 aut 
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