Analysis of Protein Kinases Involved in Growth Regulation of Rice Embryos and Leaves
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概要
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Protein kinases from rice embryos and leaves were identified, and the manner in which they are affected by plant hormones and light was studied. Ca^<2+>-dependent protein kinase activity in embryos increased in early seedlings, but was inhibited during incubation in the presence of abscisic acid for 2 d. Ca^<2+>-dependent protein kinase activity in leaves increased in the presence of gibberelline for 7 d. Ca^<2+>- and phosphatidylserine (PS)-dependent protein kinase activity was found primarily in the cytosol fraction of rice leaves. In the dark, this Ca^<2+>- and PS-dependent protein kinase activity could be detected in the membrane fraction of etiolated shoots. Protein kinases appear likely to regulate plant growth through protein phosphorylation.
- 公益社団法人日本薬学会の論文
- 1997-09-15
著者
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Komatsu Setsuko
Department Of Molecular Biology National Institute Of Agrobiological Resources
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Karibe Hideji
Department Of Molecular Biology National Institute Of Agrobiological Resources
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Komatsu Setsuko
Department Of Applied Biological Science Faculty Of Science And Technology Tokyo University Of Scien
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