Takefumi Morizumi

2.7k total citations · 1 hit paper
38 papers, 1.9k citations indexed

About

Takefumi Morizumi is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Takefumi Morizumi has authored 38 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Molecular Biology, 33 papers in Cellular and Molecular Neuroscience and 4 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Takefumi Morizumi's work include Photoreceptor and optogenetics research (31 papers), Receptor Mechanisms and Signaling (24 papers) and Neuroscience and Neuropharmacology Research (13 papers). Takefumi Morizumi is often cited by papers focused on Photoreceptor and optogenetics research (31 papers), Receptor Mechanisms and Signaling (24 papers) and Neuroscience and Neuropharmacology Research (13 papers). Takefumi Morizumi collaborates with scholars based in Canada, United States and Germany. Takefumi Morizumi's co-authors include Oliver P. Ernst, Klaus Peter Hofmann, Hui‐Woog Choe, Jung Hee Park, E.F. Pai, Patrick Scheerer, Yong Ju Kim, Norbert Krauß, Yoshinori Shichida and R. J. Dwayne Miller and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Takefumi Morizumi

38 papers receiving 1.9k citations

Hit Papers

Crystal structure of metarhodopsin II 2011 2026 2016 2021 2011 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Crystal structure of metarhodopsin II
    2011 550 citations Hui‐Woog Choe, Jung Hee Park et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Takefumi Morizumi Canada 24 1.6k 1.3k 189 172 112 38 1.9k
Reiner Vogel Germany 25 1.8k 1.2× 1.4k 1.1× 193 1.0× 200 1.2× 101 0.9× 51 2.1k
Minoru Sugihara Japan 20 1.5k 1.0× 1.2k 0.9× 203 1.1× 135 0.8× 110 1.0× 46 2.0k
Ana‐Nicoleta Bondar Germany 28 2.2k 1.4× 1.6k 1.2× 380 2.0× 313 1.8× 179 1.6× 104 2.9k
David Salom United States 18 1.5k 0.9× 614 0.5× 86 0.5× 248 1.4× 110 1.0× 44 1.8k
Jörg Standfuss Switzerland 21 2.1k 1.4× 1.3k 1.0× 299 1.6× 192 1.1× 238 2.1× 33 2.5k
Igor Chizhov Germany 21 1.1k 0.7× 1.2k 1.0× 111 0.6× 138 0.8× 66 0.6× 46 1.9k
Ansgar Wegener Germany 19 1.0k 0.6× 642 0.5× 48 0.3× 177 1.0× 102 0.9× 27 1.5k
Ramona Schlesinger Germany 27 1.5k 1.0× 1.2k 1.0× 238 1.3× 219 1.3× 188 1.7× 76 2.3k
Georg Büldt Germany 22 1.7k 1.1× 1.1k 0.8× 373 2.0× 280 1.6× 192 1.7× 50 2.3k
N.G. Abdulaev Russia 21 1.6k 1.0× 1.2k 0.9× 98 0.5× 183 1.1× 176 1.6× 49 2.0k

Countries citing papers authored by Takefumi Morizumi

Since Specialization
Citations

This map shows the geographic impact of Takefumi Morizumi's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Takefumi Morizumi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takefumi Morizumi more than expected).

Fields of papers citing papers by Takefumi Morizumi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Takefumi Morizumi. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Takefumi Morizumi. The network helps show where Takefumi Morizumi may publish in the future.

Co-authorship network of co-authors of Takefumi Morizumi

This figure shows the co-authorship network connecting the top 25 collaborators of Takefumi Morizumi. A scholar is included among the top collaborators of Takefumi Morizumi based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Takefumi Morizumi. Takefumi Morizumi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Morizumi, Takefumi, Hai Li, Oleg A. Sineshchekov, et al.. (2025). Structural insights into light-gating of potassium-selective channelrhodopsin. Nature Communications. 16(1). 1283–1283. 1 indexed citations
2.
Menon, I. A., Taras Sych, Takefumi Morizumi, et al.. (2024). A cholesterol switch controls phospholipid scrambling by G protein–coupled receptors. Journal of Biological Chemistry. 300(2). 105649–105649. 11 indexed citations
3.
Morizumi, Takefumi, Hai Li, Elena G. Govorunova, et al.. (2023). Structures of channelrhodopsin paralogs in peptidiscs explain their contrasting K+ and Na+ selectivities. Nature Communications. 14(1). 4365–4365. 15 indexed citations
4.
Besaw, Jessica E., Anling Kuo, Takefumi Morizumi, et al.. (2022). Low pH structure of heliorhodopsin reveals chloride binding site and intramolecular signaling pathway. Scientific Reports. 12(1). 13955–13955. 14 indexed citations
5.
Gozem, Samer, Philip J. M. Johnson, Alexei Halpin, et al.. (2020). Excited-State Vibronic Dynamics of Bacteriorhodopsin from Two-Dimensional Electronic Photon Echo Spectroscopy and Multiconfigurational Quantum Chemistry. The Journal of Physical Chemistry Letters. 11(10). 3889–3896. 25 indexed citations
6.
Besaw, Jessica E., Takefumi Morizumi, B.T. Eger, et al.. (2020). The crystal structures of a chloride-pumping microbial rhodopsin and its proton-pumping mutant illuminate proton transfer determinants. Journal of Biological Chemistry. 295(44). 14793–14804. 25 indexed citations
7.
Zhao, Dorothy Yanling, Takefumi Morizumi, Sahil Gulati, et al.. (2019). Cryo-EM structure of the native rhodopsin dimer in nanodiscs. Journal of Biological Chemistry. 294(39). 14215–14230. 64 indexed citations
8.
Verchère, Alice, Birgit Ploier, Takefumi Morizumi, et al.. (2017). Light-independent phospholipid scramblase activity of bacteriorhodopsin from Halobacterium salinarum. Scientific Reports. 7(1). 9522–9522. 25 indexed citations
9.
Eps, Ned Van, Ng Lydia, Takefumi Morizumi, et al.. (2017). Conformational equilibria of light-activated rhodopsin in nanodiscs. Proceedings of the National Academy of Sciences. 114(16). E3268–E3275. 80 indexed citations
10.
Johnson, Philip J. M., Alexei Halpin, Takefumi Morizumi, et al.. (2017). The Primary Photochemistry of Vision Occurs at the Molecular Speed Limit. The Journal of Physical Chemistry B. 121(16). 4040–4047. 40 indexed citations
11.
Ploier, Birgit, Ng Lydia, Takefumi Morizumi, et al.. (2016). Dimerization deficiency of enigmatic retinitis pigmentosa-linked rhodopsin mutants. Nature Communications. 7(1). 12832–12832. 51 indexed citations
12.
Eps, Ned Van, Ng Lydia, Takefumi Morizumi, & Oliver P. Ernst. (2015). Characterizing rhodopsin signaling by EPR spectroscopy: from structure to dynamics. Photochemical & Photobiological Sciences. 14(9). 1586–1597. 11 indexed citations
13.
Goren, Michael A., Takefumi Morizumi, I. A. Menon, et al.. (2014). Constitutive phospholipid scramblase activity of a G protein-coupled receptor. Nature Communications. 5(1). 5115–5115. 92 indexed citations
14.
Morizumi, Takefumi, et al.. (2014). Coupling of G Proteins to Reconstituted Monomers and Tetramers of the M2 Muscarinic Receptor. Journal of Biological Chemistry. 289(35). 24347–24365. 30 indexed citations
15.
Johnson, Philip J. M., Alexei Halpin, Takefumi Morizumi, et al.. (2014). The photocycle and ultrafast vibrational dynamics of bacteriorhodopsin in lipid nanodiscs. Physical Chemistry Chemical Physics. 16(39). 21310–21320. 34 indexed citations
16.
Park, Jung Hee, Takefumi Morizumi, Yafang Li, et al.. (2013). Opsin, a Structural Model for Olfactory Receptors?. Angewandte Chemie International Edition. 52(42). 11021–11024. 62 indexed citations
17.
Park, Jung Hee, Takefumi Morizumi, Yafang Li, et al.. (2013). Opsin, a Structural Model for Olfactory Receptors?. Angewandte Chemie. 125(42). 11227–11230. 8 indexed citations
18.
Kim, Mi‐Yeon, Sergey A. Vishnivetskiy, Ned Van Eps, et al.. (2012). Conformation of receptor-bound visual arrestin. Proceedings of the National Academy of Sciences. 109(45). 18407–18412. 82 indexed citations
19.
Shichida, Yoshinori & Takefumi Morizumi. (2006). Mechanism of G‐protein Activation by Rhodopsin†. Photochemistry and Photobiology. 83(1). 70–75. 28 indexed citations
20.
Imai, Hiroo, et al.. (2005). Molecular properties of rod and cone visual pigments from purified chicken cone pigments to mouse rhodopsin in situ. Photochemical & Photobiological Sciences. 4(9). 667–674. 30 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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