Leaf anatomy, post-illumination CO_2 burst and NAD-malic enzyme activity of Panicum dichotomiflorum

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概要

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• Light microscopic observation of leaf blades of Panicum dichotomiflorum showed that a mestome sheath was present and chloroplasts in bundle sheath cells were in the centrifugal position. However, a sharp pattern of post-illumination CO_2 burst was observed in less than 30 sec after the extinction of light. Among three C_4-acid decarboxylating enzymes, only the activity of NAD-malic enzyme was high. These results indicate that P. dichotomiflorum is a NAD-malic enzyme type species having centrifugal chloroplasts in bundle sheath cells and the sharp pattern of post-illumination CO_2 burst is closely correlated with the C_4-acid decarboxylation system through NAD-malic enzyme.

• 日本植物生理学会の論文

著者

• Ohsugi Ryu

  Pasture Plants Division National Grassland Research Institute

• Murata Takao

  Pasture Plants Division, National Grassland Research Institute

• Murata Takao

  Pasture Plants Division National Grassland Research Institute

関連論文

• Leaf anatomy, post-illumination CO_2 burst and NAD-malic enzyme activity of Panicum dichotomiflorum

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