Oxidized and reduced nicotinamide adenine dinucleotide phosphate levels of plants hardened and unhardened against chilling injury |
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Authors: | Kuraishi S Arai N Ushijima T Tazaki T |
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Affiliation: | Institute of Biology, College of General Education (Kyoyo-gakubu), University of Tokyo, Komaba, Meguro, Tokyo. |
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Abstract: | Pea plants (Pisum sativum L. var. Alaska) subjected to low temperature (5°) in the light acquired resistance against chilling injury. Unhardened plants maintained high NADP and low NADPH levels during illumination at 25° but hardened plants had low NADP and high NADPH levels in the light. When the unhardened plants were transferred to the dark room at 25°, their NADPH levels decreased immediately. On the other hand, hardened plants maintained a high NADPH level for a few hours even in the dark. |
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