World's Best Scientists 2026 revealed!
Masahiro Samejima

Masahiro Samejima

D-Index & Metrics

Biology and Biochemistry

D-Index
55
Citations
10144
World Ranking
15121
National Ranking
1069

Masahiro Samejima publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Masahiro Samejima sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 207 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Masahiro Samejima D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Masahiro Samejima sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 55 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Masahiro Samejima is affiliated with the University of Tokyo in Japan. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology and Engineering. Within these broad fields, their work focuses on subfields including Molecular Biology, Biomedical Engineering, Biotechnology, Plant Science, and Nutrition and Dietetics.

The core topics of Samejima's research include:

  • Biofuel production and bioconversion
  • Enzyme Production and Characterization
  • Enzyme Catalysis and Immobilization
  • Microbial Metabolic Engineering and Bioproduction
  • Studies on Chitinases and Chitosanases
  • Microbial Metabolites in Food Biotechnology
  • Advanced Cellulose Research Studies

Samejima has contributed to several notable publications in peer-reviewed journals. Examples of recent papers include:

  • "Convergent evolution of processivity in bacterial and fungal cellulases," 2020, Proceedings of the National Academy of Sciences
  • "Lytic polysaccharide monooxygenase increases cellobiohydrolases activity by promoting decrystallization of cellulose surface," 2022, Science Advances
  • "Acetylated Xylan Degradation by Glycoside Hydrolase Family 10 and 11 Xylanases from the White-rot Fungus Phanerochaete chrysosporium," 2022, Journal of Applied Glycoscience
  • "Unique active-site and subsite features in the arabinogalactan-degrading GH43 exo-β-1,3-galactanase from Phanerochaete chrysosporium," 2020, Journal of Biological Chemistry
  • "Thermostable Mutants of Glycoside Hydrolase Family 6 Cellobiohydrolase from the Basidiomycete Phanerochaete chrysosporium," 2020, Journal of Applied Glycoscience

The main journals where Samejima's work has been published include:

  • Journal of Applied Glycoscience
  • Journal of Biological Chemistry
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Proceedings of the National Academy of Sciences
  • Science Advances

Samejima collaborates frequently with several co-authors, including:

  • Kiyohiko Igarashi
  • Naoki Sunagawa
  • Satoshi Kaneko
  • Sora Yamaguchi
  • Akihiko Nakamura

Best Publications

  • The paleozoic origin of enzymatic lignin decomposition reconstructed from 31 fungal genomes

    Dimitrios Floudas;Manfred Binder;Robert Riley;Kerrie Barry

  • Traffic Jams Reduce Hydrolytic Efficiency of Cellulase on Cellulose Surface

    Kiyohiko Igarashi;Takayuki Uchihashi;Anu Koivula;Masahisa Wada;Masahisa Wada

  • Comparative genomics of Ceriporiopsis subvermispora and Phanerochaete chrysosporium provide insight into selective ligninolysis

    Elena Fernandez-Fueyo;Francisco J. Ruiz-Dueñas;Patricia Ferreira;Dimitrios Floudas

  • High Speed Atomic Force Microscopy Visualizes Processive Movement of Trichoderma reesei Cellobiohydrolase I on Crystalline Cellulose

    Kiyohiko Igarashi;Anu Koivula;Masahisa Wada;Satoshi Kimura

  • The putative endoglucanase PcGH61D from Phanerochaete chrysosporium is a metal-dependent oxidative enzyme that cleaves cellulose.

    Bjørge Westereng;Takuya Ishida;Takuya Ishida;Gustav Vaaje-Kolstad;Miao Wu

  • Crystal structure and computational characterization of the lytic polysaccharide monooxygenase GH61D from the basidiomycota fungus Phanerochaete chrysosporium

    Miao Wu;Gregg T. Beckham;Gregg T. Beckham;Anna M. Larsson;Takuya Ishida

  • Activation of crystalline cellulose to cellulose IIII results in efficient hydrolysis by cellobiohydrolase

    Kiyohiko Igarashi;Masahisa Wada;Masahiro Samejima

  • Comparative genomics of the white-rot fungi, Phanerochaete carnosa and P. chrysosporium, to elucidate the genetic basis of the distinct wood types they colonize

    Hitoshi Suzuki;Jacqueline MacDonald;Khajamohiddin Syed;Asaf Salamov

  • Genomewide analysis of polysaccharides degrading enzymes in 11 white- and brown-rot Polyporales provides insight into mechanisms of wood decay

    Chiaki Hori;Jill Gaskell;Kiyohiko Igarashi;Masahiro Samejima

  • Synthesis of highly ordered cellulose II in vitro using cellodextrin phosphorylase

    Masao Hiraishi;Kiyohiko Igarashi;Satoshi Kimura;Masahisa Wada

  • A comparison of the catalytic properties of cellobiose:quinone oxidoreductase and cellobiose oxidase from Phanerochaete chrysosporium

    Masahiro Samejima;Karl-Erik L. Eriksson

  • Enhancement of growth by expression of poplar cellulase in Arabidopsis thaliana

    Yong Woo Park;Rumi Tominaga;Junji Sugiyama;Yuzo Furuta

  • Molecular Cloning of a β-Galactosidase from Radish That Specifically Hydrolyzes β-(1→3)- and β-(1→6)-Galactosyl Residues of Arabinogalactan Protein

    Toshihisa Kotake;Soraya Dina;Tomoyuki Konishi;Satoshi Kaneko

  • Unidirectional processive action of cellobiohydrolase Cel7A on Valonia cellulose microcrystals

    Tomoya Imai;Claire Boisset;Masahiro Samejima;Kiyohiko Igarashi

  • Temporal Alterations in the Secretome of the Selective Ligninolytic Fungus Ceriporiopsis subvermispora during Growth on Aspen Wood Reveal This Organism's Strategy for Degrading Lignocellulose

    Chiaki Hori;Jill Gaskell;Kiyohiko Igarashi;Phil Kersten

  • Analysis of the Phlebiopsis gigantea Genome, Transcriptome and Secretome Provides Insight into Its Pioneer Colonization Strategies of Wood

    Chiaki Hori;Takuya Ishida;Kiyohiko Igarashi;Masahiro Samejima

  • Two-way traffic of glycoside hydrolase family 18 processive chitinases on crystalline chitin

    Kiyohiko Igarashi;Takayuki Uchihashi;Taku Uchiyama;Hayuki Sugimoto

  • Characterization of an endoglucanase belonging to a new subfamily of glycoside hydrolase family 45 of the basidiomycete Phanerochaete chrysosporium.

    Kiyohiko Igarashi;Takuya Ishida;Chiaki Hori;Masahiro Samejima

  • Cellobiose Dehydrogenase from the Fungi Phanerochaete chrysosporium and Humicola insolens: A FLAVOHEMOPROTEIN FROM HUMICOLA INSOLENS CONTAINS 6-HYDROXY-FAD AS THE DOMINANT ACTIVE COFACTOR

    Kiyohiko Igarashi;Marc F.J.M. Verhagen;Masahiro Samejima;Martin Schülein

  • Cellobiose dehydrogenase enhances Phanerochaete chrysosporium cellobiohydrolase I activity by relieving product inhibition

    Kiyohiko Igarashi;Masahiro Samejima;Karl Erik L. Eriksson

Frequent Co-Authors

Kiyohiko Igarashi
Kiyohiko Igarashi University of Tokyo
Masahisa Wada
Masahisa Wada Kyoto University
Hiroyuki Ohno
Hiroyuki Ohno Tokyo University of Agriculture and Technology
Satoshi Kimura
Satoshi Kimura University of Tokyo
Shinya Fushinobu
Shinya Fushinobu University of Tokyo
Toshihisa Kotake
Toshihisa Kotake Saitama University
Karl-Erik Eriksson
Karl-Erik Eriksson University of Georgia
Bernard Henrissat
Bernard Henrissat Technical University of Denmark
Takeshi Nishino
Takeshi Nishino Nippon Medical School
Igor V. Grigoriev
Igor V. Grigoriev Lawrence Berkeley National Laboratory

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