Sodium Stimulates Regeneration of Phosphoenolpyruvate in Mesophyll Chloroplasts of Amaranthus tricolor |
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| Authors: | Murata Shinji; Kobayashi Masaru; Matoh Toru; Sekiya Jiro |
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| Institution: | Plant Nutrition Laboratory, Faculty of Agriculture, Kyoto University Kyoto, 606-01 Japan |
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| Abstract: | Mesophyll chloroplasts were isolated from leaves of a Na+-requiringNAD-malic enzyme type, dicotyledonous C4 plant, Amaranthus tricolorL. The chloroplasts converted pyruvate to phosphoenolpyruvateunder illumination, and the conversion was stimulated by Na+.This observation may explain the requirement for Na+ of someC4 plants.
2 Present address: Institute for Life Science Research, NihonNohyaku Co., Ltd., Kawachi-Nagano, Osaka, 586 Japan |
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