最近の研究成果より

カロテノイドの励起緩和ダイナミクス

K. Tanaka, S. Iida, S. Takaichi, M. Mimuro, A. Murakami, S. Akimoto, Excitation relaxation dynamics and energy transfer in pigment-protein complexes of a dinoflagellate, revealed by ultrafast fluorescence spectroscopy(渦鞭毛藻が持つカロテノイド、ペリディニン), Photosynth. Res., 130, 183–191 (2016).

S. Akimoto, A. Teshigahara, M. Yokono, M. Mimuro, R. Nagao, T. Tomo, Excitation relaxation dynamics and energy transfer in fucoxanthin chlorophyll a/c-binding protein complexes, probed by time-resolved fluorescence(珪藻がもつカロテノイド、フコキサンチン), Biochim. Biophys. Acta, 1837, 1514–1521 (2014).

S. Akimoto, T. Tomo, Y. Naitoh, A. Otomo, A. Murakami, M. Mimuro,Identification of a new excited state responsible for the in vivo absorption band of siphonaxanthin in the green alga Codium Fragile (緑藻が持つカロテノイド、シフォナキサンチン), J. Phys. Chem. B 111, 9179–9181 (2007).

S. Akimoto, M. Mimuro, Excitation relaxation dynamics of carotenoids probed by ultrafast fluorescence spectroscopy(超高速時間分解蛍光分光法によるカロテノイドの励起緩和ダイナミクスの観測), in N. Wada and M. Mimuro (Eds.), Bio/Chemiluminescence and its application to photosynthesis, Research Signpost, Kerala, India, 2005, p.p. 213-234.

S. Akimoto, M. Yokono, M. Ohmae, I. Yamazaki, A. Tanaka, M. Higuchi, T. Tsuchiya, H. Miyashita, M. Mimuro, Ultrafast excitation relaxation dynamics of lutein in solution and in the light-harvesting complexes II isolated from Arabidopsis thaliana (陸上植物が持つカロテノイド、ルテイン), J. Phys. Chem. B, 109, 12612-12619 (2005).

色素タンパク質複合体におけるエネルギー移動・電子移動

M. Yokono, A. Takabayashi, S. Akimoto, A. Tanaka, A megacomplex composed of both photosystem reaction centres in higher plants(詳細についてはこちら), Nature communications, 6, 6675 (2015).

M. Iwai, M. Yokono, M. Kondo, K. Noguchi, S. Akimoto, A. Nakano, Light-harvesting complex Lhcb9 confers a green alga-type photosystem I supercomplex to the moss Physcomitrlla patens(詳細についてはこちら), Nature Plants, 1, 14008 (2015).

T. Tomo, T. Okubo, S. Akimoto, M. Yokono, H. Miyashita, T. Tsuchiya, T. Noguchi, M. Mimuro, Identification of the special pair of photosystem II in a chlorophyll d-dominated cyanobacterium(詳細についてはこちら), Proc. Natl. Acad. Sci. USA,104, 7283–7288 (2007).

超高速分光法

秋本 誠志、生命科学を理解するための蛍光の基礎Ⅱ(時間分解蛍光と異方性)分光研究, 63, 73–81 (2014).

S. Akimoto, M. Mimuro, Application of time-resolved polarization fluorescence spectroscopy in the femtosecond range to photosynthetic systems(時間分解偏光蛍光分光法の光合成系観測への応用), Photochem. Photobiol. 83, 163–170 (2007).

秋本 誠志、木場 隆之、横野 牧生、三室 守、山崎 巌、アップコンバージョン法によるフェムト秒時間分解蛍光スペクトルの全自動測定、分光研究、54, 18-22 (2005).