Background:The ppGpp signaling system is operative in plant chloroplasts and bacteria. Results: Chloroplast and cytosolic guanylate kinases (GKs) of plants are sensitive and insensitive to ppGpp, respectively, whereas bacterial GKs show diversity in ppGpp sensitivity. Conclusion: GTP biosynthesis in chloroplasts is controlled by ppGpp. Significance: Identification of the targets of ppGpp should provide insight into biological processes regulated by this nucleotide.
[環境化学(J o u r n a lo fE n v i r o n me n t a lC h e mi s t r y)V o l. 1 9,No. 2,p p. 2 2 9-2 4 3, 2 0 0 9] オンライン固相抽出のためのポリ塩化ビフェニルの 最適吸着剤の探索 澤津橋徹哉 1) ,塚原千幸人 1) ,嬉野 絢子 1) ,中尾 智春 2) , 馬場 恵吾 2) ,福永 義徳 2) ,三浦 則雄 3) 1) 三菱重工業 (株) 長崎研究所(〒8 5 1-0 3 9 2 長崎県長崎市深堀町5-7 1 7-1) 2) 長菱エンジニアリング (株) (〒8 5 1-0 3 9 2 長崎県長崎市深堀町5-7 1 7-1) 3) 九州大学産学連携センター(〒8 1 6-8 5 8 0 福岡県春日市春日公園6-1) [平成2 0年9月9日受付,平成2 1年3月1 8日受理] S e a r c hf o rOp t i mu m A d s o r b e n to fP o l y c h l o r i n a t e dBi p h e n y l f o rOn-l i n eS o l i d-p h a s eEx t r a c t i o n
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