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F. Tokunaga · SciRah

Researcher profile · Semantic Scholar

F. Tokunaga

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F. Tokunaga — researcher profile on SciRah

h-index: 38
Works: 277
Citations: 4,408

Most-cited papers

Jellyfish vision starts with cAMP signaling mediated by opsin-Gs cascade
M. Koyanagi, Kosuke Takano, Hisao Tsukamoto, K. Ohtsu +2 more
2008Proceedings of the National Academy of Sciences of the United States of America160 citations Open access
Semantic Scholar
Depth Perception from Image Defocus in a Jumping Spider
T. Nagata, M. Koyanagi, Hisao Tsukamoto, Shinjiro Saeki +6 more
2012Science147 citations Open access
Semantic Scholar
Molecular Evolution of Arthropod Color Vision Deduced from Multiple Opsin Genes of Jumping Spiders
M. Koyanagi, T. Nagata, K. Katoh, S. Yamashita +1 more
2008Journal of Molecular Evolution74 citations
Semantic Scholar
Presence of Rhodopsin and Porphyropsin in the Eyes of 164 Fishes, Representing Marine, Diadromous, Coastal and Freshwater Species—A Qualitative and Comparative Study †
Mina Toyama, M. Hironaka, Y. Yamahama, H. Horiguchi +6 more
2008Photochemistry and Photobiology68 citations
Semantic Scholar
Molecular evolution of proteins involved in vertebrate phototransduction.
O. Hisatomi, F. Tokunaga
2002Comparative Biochemistry and Physiology Part B Comparative Biochemistry64 citations
Semantic Scholar
The role of proboscis of the malaria vector mosquito Anopheles stephensi in host-seeking behavior
Emi Maekawa, Hiroka Aonuma, Bryce P. Nelson, A. Yoshimura +3 more
2011Parasites & Vectors62 citations Open access
Semantic Scholar
Themodynamic and transport properties of intermediate states of the photocyclic reaction of photoactive yellow protein.
K. Takeshita, Y. Imamoto, M. Kataoka, F. Tokunaga +1 more
2002Biochemistry59 citations
Semantic Scholar
Resonance Raman spectroscopy and quantum chemical calculations reveal structural changes in the active site of photoactive yellow protein.
M. Unno, Masato Kumauchi, J. Sasaki, F. Tokunaga +1 more
2002Biochemistry44 citations
Semantic Scholar
Ultrafast photoreactions in protein nanospaces as revealed by fs fluorescence dynamics measurements on photoactive yellow protein and related systems
N. Mataga, H. Chosrowjan, S. Taniguchi, N. Hamada +3 more
200343 citations
Semantic Scholar
Low-Frequency Vibrations and Their Role in Ultrafast Photoisomerization Reaction Dynamics of Photoactive Yellow Protein
H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno +4 more
200441 citations
Semantic Scholar
Downregulation of Otx2 in the dedifferentiated RPE cells of regenerating newt retina.
Sanae Sakami, O. Hisatomi, Shunsuke Sakakibara, Janice J. Liu +2 more
2005Brain research. Developmental brain research40 citations
Semantic Scholar
Conformational changes in the N-terminal region of photoactive yellow protein: a time-resolved diffusion study.
Y. Hoshihara, Y. Imamoto, M. Kataoka, F. Tokunaga +1 more
2008Biophysical Journal33 citations Open access
Semantic Scholar
Time-resolved detection of sensory rhodopsin II-transducer interaction.
Keiichi Inoue, J. Sasaki, M. Morisaki, F. Tokunaga +1 more
2004Biophysical Journal33 citations Open access
Semantic Scholar
Coherent oscillations in ultrafast fluorescence of photoactive yellow protein.
R. Nakamura, N. Hamada, H. Ichida, F. Tokunaga +1 more
2007Journal of Chemical Physics30 citations
Semantic Scholar
Opsin expression in adult, developing, and regenerating newt retinas.
Shunsuke Sakakibara, Hidemasa Hiramatsu, Yusuke Takahashi, O. Hisatomi +4 more
2002Brain Research. Molecular Brain Research27 citations
Semantic Scholar
A Role of Methionine100 in Facilitating PYPM-Decay Process in the Photocycle of Photoactive Yellow Protein
Masato Kumauchi, N. Hamada, J. Sasaki, F. Tokunaga
200226 citations
Semantic Scholar
Vibrational assignment of the 4-hydroxycinnamyl chromophore in photoactive yellow protein.
M. Unno, Masato Kumauchi, F. Tokunaga, S. Yamauchi
2007Journal of Physical Chemistry B25 citations
Semantic Scholar
Picosecond protein response to the chromophore isomerization of photoactive yellow protein: selective observation of tyrosine and tryptophan residues by time-resolved ultraviolet resonance Raman spectroscopy.
M. Mizuno, N. Hamada, F. Tokunaga, Y. Mizutani
2007Journal of Physical Chemistry B25 citations
Semantic Scholar
Induced expression of hematopoietic- and neurologic-expressed sequence 1 in retinal pigment epithelial cells during newt retina regeneration.
Tatsushi Goto, O. Hisatomi, M. Kotoura, F. Tokunaga
2006Experimental Eye Research23 citations
Semantic Scholar
Raman Optical Activity Probing Structural Deformations of the 4-Hydroxycinnamyl Chromophore in Photoactive Yellow Protein.
Takahito Shingae, Kensuke Kubota, Masato Kumauchi, F. Tokunaga +1 more
2013Journal of Physical Chemistry Letters22 citations
Semantic Scholar
Resonance Raman Evidence for Two Conformations Involved in the L Intermediate of Photoactive Yellow Protein*
M. Unno, Masato Kumauchi, N. Hamada, F. Tokunaga +1 more
2004Journal of Biological Chemistry22 citations Open access
Semantic Scholar
Time-resolved thermodynamics: heat capacity change of transient species during photoreaction of PYP.
J. S. Khan, Y. Imamoto, M. Kataoka, F. Tokunaga +1 more
2006Journal of the American Chemical Society21 citations
Semantic Scholar
A biosensor in the time domain based on the diffusion coefficient measurement: intermolecular interaction of an intermediate of photoactive yellow protein.
J. S. Khan, Y. Imamoto, Y. Yamazaki, M. Kataoka +2 more
2005Analytical Chemistry20 citations
Semantic Scholar
Assignment of Resonance Raman Spectrum of Photoactive Yellow Protein in Its Long-Lived Blue-Shifted Intermediate
M. Unno, Masato Kumauchi, J. Sasaki, F. Tokunaga +1 more
200320 citations
Semantic Scholar
Structural changes during the photocycle of photoactive yellow protein monitored by ultraviolet resonance raman spectra of tyrosine and tryptophan.
Samir F. El-Mashtoly, S. Yamauchi, Masato Kumauchi, N. Hamada +2 more
2005Journal of Physical Chemistry B16 citations
Semantic Scholar
Seasonal variation of chromophore composition in the eye of the Japanese dace, Tribolodon hakonensis
Y. Ueno, H. Ohba, Y. Yamazaki, F. Tokunaga +2 more
2005Journal of Comparative Physiology15 citations
Semantic Scholar
Hematological- and Neurological-Expressed Sequence 1 Gene Products in Progenitor Cells during Newt Retinal Development
Tatsushi Goto, F. Tokunaga, O. Hisatomi
2012Stem Cells International14 citations Open access
Semantic Scholar
Stathmin expression during newt retina regeneration.
Akiyuki Hasegawa, O. Hisatomi, Shintaro Yamamoto, Eiri Ono +1 more
2007Experimental Eye Research14 citations
Semantic Scholar
Structure of photoactive yellow protein (PYP) E46Q mutant at 1.2 A resolution suggests how Glu46 controls the spectroscopic and kinetic characteristics of PYP.
M. Sugishima, N. Tanimoto, K. Soda, N. Hamada +2 more
2004Acta Crystallographica Section D: Biological Crystallography14 citations
Semantic Scholar
Resonance Raman spectroscopy reveals the origin of an intermediate wavelength form in photoactive yellow protein.
Samir F. El-Mashtoly, M. Unno, Masato Kumauchi, N. Hamada +6 more
2004Biochemistry11 citations
Semantic Scholar
Demonstration by lectin cytochemistry of rod and cone photoreceptors in the lamprey retina
Makoto Ishikawa, Hiroshi Watanabe, Yoshio Koike, O. Hisatomi +2 more
2004Cell and Tissue Research10 citations
Semantic Scholar
Photo-induced protein dynamics measured by femtosecond time-resolved luminescence
R. Nakamura, Y. Kanematsu, Masato Kumauchi, N. Hamada +1 more
20039 citations
Semantic Scholar
An oviposition stimulant binding protein in a butterfly
Kazuko Tsuchihara, O. Hisatomi, F. Tokunaga, K. Asaoka
2009Communicative & Integrative Biology8 citations Open access
Semantic Scholar
Transient Vibronic Structure in Ultrafast Fluorescence Spectra of Photoactive Yellow Protein †
R. Nakamura, N. Hamada, H. Ichida, F. Tokunaga +1 more
2008Photochemistry and Photobiology8 citations Open access
Semantic Scholar
Spatial arrangement of rhodopsin in retinal rod outer segment membranes studied by spin-labeling and pulsed electron double resonance.
S. Yasuda, H. Hara, F. Tokunaga, T. Arata
2012Biochemical and Biophysical Research Communications - BBRC7 citations
Semantic Scholar
Characterization of chemoreceptive protein binding to an oviposition stimulant using a fluorescent micro‐binding assay in a butterfly
Kazuko Tsuchihara, T. Wazawa, Y. Ishii, T. Yanagida +6 more
2009FEBS Letters5 citations
Semantic Scholar
Ultrafast Dynamics of Photoactive Yellow Protein via the Photoexcitation and Emission Processes †
R. Nakamura, N. Hamada, H. Ichida, F. Tokunaga +1 more
2007Photochemistry and Photobiology4 citations
Semantic Scholar
THE STRUCTURE DIFFERENCE OF PROTEINS ISOLATED ON SUBSTRATE WITH DIFFERENT TECHNIQUES AS STUDIED BY THE ATOMIC FORCE MICROSCOPE
K. Umemura, K. Sutoh, F. Tokunaga, M. Kataoka +3 more
20064 citations Open access
Semantic Scholar
A Third Photoreceptor-Specific GRK Found in the Retina of Oryzias latipes (Japanese killifish)
Yoshikazu Imanishi, O. Hisatomi, Shintaro Yamamoto, T. Satoh +3 more
2007Zoological Science3 citations
Semantic Scholar
Distribution and Translocation of Photoreceptor Gβγ‐phosducin System in Medaka Retina ‡
Shintaro Yamamoto, O. Hisatomi, Akiyuki Hasegawa, Y. Kobayashi +1 more
20073 citations
Semantic Scholar
Double-gated spectral snapshots for biomolecular fluorescence
R. Nakamura, N. Hamada, H. Ichida, F. Tokunaga +1 more
20073 citations
Semantic Scholar
Analogue Chromophore Study of the Influence of Electronic Perturbation on Color Regulation of Photoactive Yellow Protein†
Hiroshi Yamada, Masato Kumauchi, N. Hamada, Xiang-Guo Zheng +4 more
2006Photochemistry and Photobiology3 citations
Semantic Scholar
Anti-Bovine Rhodopsin Monoclonal Antibody Recognizing Light-Dependent Structural Change
M. Takao, T. Iwasa, Hiroaki Yamamoto, T. Takeuchi +1 more
2002Zoological Science3 citations Open access
Semantic Scholar
Distribution and translocation of photoreceptor Gbetagamma-phosducin system in medaka retina.
Shintaro Yamamoto, O. Hisatomi, Akiyuki Hasegawa, Yuko Kobayashi +1 more
2007Photochemistry and Photobiology2 citations
Semantic Scholar
Entire view of coherent oscillations in ultrafast fluorescence for photoactive yellow protein
R. Nakamura, N. Hamada, H. Ichida, Y. Kanematsu +1 more
20042 citations
Semantic Scholar
Phosphorylation of teleost phosducins and its effect on the affinity to G-protein beta gamma subunits.
Yuko Kobayashi, O. Hisatomi, F. Tokunaga
2004Biochemical and Biophysical Research Communications - BBRC2 citations
Semantic Scholar
Nano biophotonics : science and technology : proceedings of the 3rd International Nanohotonics Symposium Handai,July 6-8th 2006,Suita Campus of Osaka University, Osaka, Japan
宏増原, S. Kawata, F. Tokunaga
20071 citations
Semantic Scholar
Inhomogeneity observed in the photocycle of photoactive yellow protein
N. Hamada, K. Matsumoto, K. Soda, R. Nakamura +3 more
20061 citations
Semantic Scholar
1P264 Heat capacity of the transient species during photo-reaction of PYP
J. S. Khan, Y. Imamoto, M. Kataoka, F. Tokunaga +1 more
20051 citations Open access
Semantic Scholar
Ultrafast photoreaction dynamics in protein nanospaces (PNS) as revealed by fs fluorescence dynamics studies on photoactive yellow protein (PYP) and related systems
N. Mataga, H. Chosrowjan, S. Taniguchi, N. Hamada +1 more
20041 citations
Semantic Scholar

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N. Hamada×17
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Masato Kumauchi×11
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M. Kataoka×8
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Y. Imamoto — researcher profile on SciRah

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S. Yamauchi — researcher profile on SciRah

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H. Ichida — researcher profile on SciRah

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J. Sasaki — researcher profile on SciRah