高等植物におけるppGpp合成系とその生理学的機能の解明をめざして

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For the last fifty years, unique signal molecule, ppGpp, has been received broad attention by a number of molecularbiologists. Recently, it has been revealed that the ppGpp biosynthesis system also exists in chloroplasts of photosynthetic eukaryotes including land plants. For elucidating physiological functions of the ppGpp in plants, currently some different approaches such as biochemical analysis of synthetic enzymes, genetic analysis of mutant plants, and in vitro reconstitution analysis of ppGpp-signaling in chloroplast extracts, have been utilized. This review overviews recent progress and perspectives in understanding of plant ppGpp-signaling systems.
2010-12-20