研究発表
Publications

Experimental and theoretical mutation of exciton states on the smallest type-I photosynthetic reaction center complex of a green sulfur bacterium Chlorobaclum tepidum

Akihiro Kimura*, Hirotaka Kitoh-Nishioka, Toru Kondo, Hirozo Oh-oka, Shigeru Itoh, Chihiro Azai

Journal of Physical Chemistry B 128, 731–743 (2024)

Recent advances in single-molecule spectroscopy studies on light-harvesting processes in oxygenic photosynthesis

Toru Kondo*, Yutaka Shibata*

Biophysics and Physicobiology, e190013 (2022)

Energy transfer fluctuation observed by single-molecule spectroscopy of red-shifted bacteriochlorophyll in the homodimeric photosynthetic reaction center

Toru Kondo*, Risa Mutoh, Shun Arai, Genji Kurisu, Hirozo Oh-Oka, Satoru Fujiyoshi, Michio Matsushita

Journal of Chemical Physics 156, 105102 (2022)

Observation of robust energy transfer in the photosynthetic protein allophycocyanin using single-molecule pump–probe spectroscopy

Raymundo Moya, Audrey C Norris, Toru Kondo, Gabriela S Schlau-Cohen*

Nature Chemistry 14, 153–159 (2022)

** News & Views **  Nature Chemistry 14, 121–123 (2022)

Spectrally-tunable femtosecond single-molecule pump-probe spectroscopy

Raymundo Moya, Toru Kondo, Audrey C Norris, Gabriela S Schlau-Cohen*

Optics Express 29, 28246-28256 (2021)

Cryogenic single-molecule spectroscopy of the primary electron acceptor in the photosynthetic reaction center

Toru Kondo*, Risa Mutoh, Hiroaki Tabe, Genji Kurisu, Hirozo Oh-Oka, Satoru Fujiyoshi, Michio Matsushita

Journal of Physical Chemistry Letters 11, 3980-3986 (2020)

Microsecond and millisecond dynamics in the photosynthetic protein LHCSR1 observed by single-molecule correlation spectroscopy

Toru Kondo*, Jesse B Gordon, Alberta Pinnola, Luca Dall’Osto, Roberto Bassi, Gabriela S Schlau-Cohen*

Proceedings of the National Academy of Sciences of USA 116, 11247-11252 (2019)

Cryogenic fluorescence localization microscopy of spectrally selected individual FRET pairs in a water matrix

Hiroaki Tabe, Kei Sukenobe, Toru Kondo, Atsunori Sakurai, Minako Maruo, Akari Shimauchi, Mitsuharu Hirano, Shin-nosuke Uno, Mako Kamiya, Yasuteru Urano, Michio Matsushita, Satoru Fujiyoshi*

Journal of Physical Chemistry B 122, 6906-6911 (2018)

Light-induced electron spin-polarized (ESP) EPR signal of the P800+ menaquinone– radical pair state in oriented membranes of Heliobacterium modesticaldum: Role/location of menaquinone in the homodimeric type I reaction center

Toru Kondo*, Masahiro Matsuoka, Chihiro Azai, Masami Kobayashi, Shigeru Itoh, Hirozo Oh-Oka*

Journal of Physical Chemistry B 122, 2536-2543 (2018)

Programmed coherent coupling in a synthetic DNA-based excitonic circuit

Étienne Boulais, Nicolas PD Sawaya, Rémi Veneziano, Alessio Andreoni, James L Banal, Toru Kondo, Sarthak Mandal, Su Lin, Gabriela S Schlau-Cohen, Neal W Woodbury, Hao Yan*, Alán Aspuru-Guzik*, Mark Bathe*

Nature Materials 17, 159-166 (2018)

** News & Views **  Nature Materials 17, 112–113 (2018)

Photophysics of J-aggregate-mediated energy transfer on DNA

James L Banal, Toru Kondo, Rémi Veneziano, Mark Bathe, Gabriela S Schlau-Cohen*

Journal of Physical Chemistry Letters 8, 5827-5833 (2017)

Single-molecule spectroscopy of LHCSR1 protein dynamics identifies two distinct states responsible for multi-timescale photosynthetic photoprotection

Toru Kondo, Alberta Pinnola, Wei Jia Chen, Luca Dall'Osto, Roberto Bassi, Gabriela S Schlau-Cohen*

Nature Chemistry 9, 772-778 (2017)

** News & Views **  Nature Chemistry 9, 728–730 (2017)

Single-molecule fluorescence spectroscopy of photosynthetic systems

Toru Kondo, Wei Jia Chen, Gabriela S Schlau-Cohen*

Chemical Reviews 117, 860-898 (2017)

Orientations of iron–sulfur clusters FA and FB in the homodimeric type-I photosynthetic reaction center of Heliobacterium modesticaldum

Toru Kondo*, Masahiro Matsuoka, Chihiro Azai, Shigeru Itoh, Hirozo Oh-Oka*

Journal of Physical Chemistry B 120, 4204-4212 (2016)

Menaquinone as the secondary electron acceptor in the type I homodimeric photosynthetic reaction center of Heliobacterium modesticaldum

Toru Kondo, Shigeru Itoh*, Masahiro Matsuoka, Chihiro Azai, Hirozo Oh-Oka*

Journal of Physical Chemistry B 119, 8480-8489 (2015)

Dark-operative protochlorophyllide oxidoreductase generates substrate radicals by an iron-sulphur cluster in bacteriochlorophyll biosynthesis

Jiro Nomata, Toru Kondo, Tadashi Mizoguchi, Hitoshi Tamiaki, Shigeru Itoh, Yuichi Fujita*

Scientific Reports 4, 1-7 (2014)

Three-dimensional laser-scanning confocal reflecting microscope for multicolor single-molecule imaging at 1.5 K

Minako Maruo, Hironori Inagawa, Yasuharu Toratani, Toru Kondo, Michio Matsushita, Satoru Fujiyoshi*

Chemical Physics Letters 591, 233-236 (2014)

Nicotinamide is a specific inhibitor of dark-operative protochlorophyllide oxidoreductase, a nitrogenase-like enzyme, from Rhodobacter capsulatus

Jiro Nomata, Toru Kondo, Shigeru Itoh, Yuichi Fujita*

FEBS Letters 587, 3142-3147 (2013)

Alumina plate containing photosystem I reaction center complex oriented inside plate-penetrating silica nanopores

Chihiro Kamidaki, Toru Kondo, Tomoyasu Noji, Tetsuji Itoh, Akira Yamaguchi, Shigeru Itoh*

Journal of Physical Chemistry B 117, 9785-9792 (2013)

Pulsed EPR analysis of the photo-induced triplet radical pair in the BLUF protein SyPixD: Determination of the protein–protein distance and orientation in the oligomeric protein

Toru Kondo, Shinji Masuda, Hiroyuki Mino*

Applied Magnetic Resonance 40, 545-555 (2011)

A heterogeneous tag-attachment to the homodimeric type 1 photosynthetic reaction center core protein in the green sulfur bacterium Chlorobaculum tepidum

Chihiro Azai, Kwang Kim, Toru Kondo, Jiro Harada, Shigeru Itoh, Hirozo Oh-Oka*

Biochimica et Biophysica Acta (BBA)-Bioenergetics 1807, 803-812 (2011)

Interaction and inhibitory effect of ammonium cation in the oxygen evolving center of photosytem II

Masaya Tsuno, Hiroyuki Suzuki, Toru Kondo, Hiroyuki Mino, Takumi Noguchi*

Biochemistry 50, 2506-2514 (2011)

Temperature dependence of relaxation time of a stable radical pair in SyPixD investigated by pulsed EPR

Toru Kondo, Shinji Masuda, Kazuhiko Tsutsui, Hiroyuki Mino*

Chemical Physics Letters 501, 528-533 (2011)

EPR study of 1Asp–3Cys ligated 4Fe–4S iron–sulfur cluster in NB-protein (BchN–BchB) of a dark-operative protochlorophyllide reductase complex

Toru Kondo*, Jiro Nomata, Yuichi Fujita*, Shigeru Itoh

FEBS Letters 585, 214-218 (2011)

Parallel electron donation pathways to cytochrome cz in the type I homodimeric photosynthetic reaction center complex of Chlorobium tepidum

Yusuke Tsukatani, Chihiro Azai, Toru Kondo, Shigeru Itoh, Hirozo Oh-Oka*

Biochimica et Biophysica Acta (BBA)-Bioenergetics 1777, 1211-1217 (2008)

An electron spin-polarized signal of the P800+A1(Q)− state in the homodimeric reaction center core complex of Heliobacterium modesticaldum

Ryo Miyamoto, Hiroyuki Mino, Toru Kondo, Shigeru Itoh*, Hirozo Oh-Oka

Biochemistry 47, 4386-4393 (2008)