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Biosynthesis of nicotianamine in the suspension-cultured cells of tobacco (Nicotiana megalosiphon) |
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| Authors: | Shinsuke Shojima Naoko K Nishizawa Shinji Fushiya Shigeo Nozoe Takashi Kumashiro Toshiyuki Nagata Tomoko Ohata Satoshi Mori |
| Institution: | (1) Laboratory of Plant Nutrition and Fertilizers, Department of Agricultural Chemistry, The University of Tokyo, Yayoi, Bunkyo-ku, 113 Tokyo, Japan;(2) Pharmaceutical Institute, Tohoku University, Sendai, Japan;(3) Iwata Experiment Station, Japan Tobacco Inc., Shizuoka, Japan;(4) Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan |
| Abstract: | Summary Seven kinds of suspension cell cultures from five species ofNicotiana were screened for the occurrence of nicotianamine. Nicotianamine was detected in the cultured cells ofN. megalosiphon andN. plumbaginifolia.l-l-14C]Methionine, which is the precursor of the mugineic-acid-family phytosiderophores and nicotianamine in barley plants, was incorporated into nicotianamine by the cultured cells ofN. megalosiphon both in vivo and in vitro. The advantage of the cultured tobacco cells for the study of the biosynthesis of nicotianamine and the mugineic-acid-family phytosiderophores is discussed. |
| Keywords: | Nicotianamine Phytosiderophore Mugineic acid Biosynthesis Nicotiana |
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