World's Best Scientists 2026 revealed!
Katsura Izui

Katsura Izui

D-Index & Metrics

Biology and Biochemistry

D-Index
45
Citations
7090
World Ranking
19136
National Ranking
1379

Katsura Izui 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 Katsura Izui 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 210 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Katsura Izui 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 Katsura Izui sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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: 45 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Katsura Izui is affiliated with Kindai University in Japan. Their research primarily spans the fields of medicine and psychology, with specializations in infectious diseases, neurology, and clinical psychology.

The scientist's work focuses on topics related to COVID-19, including clinical research studies, the long-term effects of COVID-19, and the mental health impacts associated with the virus.

Recent publications include the paper titled Asian flush is a potential protective factor against COVID-19: a web-based retrospective survey in Japan, published in 2024 in the journal Environmental Health and Preventive Medicine. This work has been cited seven times.

  • Asian flush is a potential protective factor against COVID-19: a web-based retrospective survey in Japan (2024), Environmental Health and Preventive Medicine

Frequent collaborators in their research include:

  • Satoshi Takashima
  • Mikiko Tokiya
  • Hiroshi Miyamoto
  • Akiko Matsumoto

In terms of publication venues, Katsura Izui has contributed to:

  • Environmental Health and Preventive Medicine

Best Publications

  • Over-expression of a single Ca2+-dependent protein kinase confers both cold and salt/drought tolerance on rice plants.

    Yusuke Saijo;Shingo Hata;Junko Kyozuka;Ko Shimamoto

  • Phosphoenolpyruvate carboxylase: a new era of structural biology.

    Katsura Izui;Hiroyoshi Matsumura;Tsuyoshi Furumoto;Yasushi Kai

  • A plastidial sodium-dependent pyruvate transporter

    Tsuyoshi Furumoto;Teppei Yamaguchi;Teppei Yamaguchi;Yumiko Ohshima-Ichie;Masayoshi Nakamura;Masayoshi Nakamura

  • Knockdown of an arbuscular mycorrhiza-inducible phosphate transporter gene of Lotus japonicus suppresses mutualistic symbiosis

    Daisuke Maeda;Kanae Ashida;Keita Iguchi;Svetlana A. Chechetka

  • Molecular cloning of two DNA-binding proteins of maize that are structurally different but interact with the same sequence motif.

    Shuichi Yanagisawa;Katsura Izui

  • Phosphoenolpyruvate carboxylase: three-dimensional structure and molecular mechanisms.

    Yasushi Kai;Hiroyoshi Matsumura;Katsura Izui

  • Three-dimensional structure of phosphoenolpyruvate carboxylase: A proposed mechanism for allosteric inhibition

    Yasushi Kai;Hiroyoshi Matsumura;Tsuyoshi Inoue;Kazutoyo Terada

  • A Ca 2+ -Dependent Protein Kinase that Endows Rice Plants with Cold- and Salt-Stress Tolerance Functions in Vascular Bundles

    Yusuke Saijo;Natsuko Kinoshita;Keiki Ishiyama;Shingo Hata

  • Isolation and characterization of cDNAs encoding mitochondrial phosphate transporters in soybean, maize, rice, and Arabidopis.

    Reona Takabatake;Shingo Hata;Mitsutaka Taniguchi;Hiroshi Kouchi

  • Crystal Structures of C4 Form Maize and Quaternary Complex of E. coli Phosphoenolpyruvate Carboxylases

    Hiroyoshi Matsumura;Yong Xie;Shunsuke Shirakata;Tsuyoshi Inoue

  • Cloning and sequence analysis of cDNA encoding active phosphoenolpyruvate carboxylase of the C4-pathway from maize.

    Katsura Izui;Sumio Ishijima;Yasunori Yamaguchi;Fumiaki Katagiri

  • Cloning, Expression, and Characterization of a Root-Form Phosphoenolpyruvate Carboxylase from Zea mays: Comparison with the C4- Form Enzyme

    Long-Ying Dong;Takao Masuda;Takao Kawamura;Shingo Hata

  • Molecular and physiological evaluation of transgenic tobacco plants expressing a maize phosphoenolpyruvate carboxylase gene under the control of the cauliflower mosaic virus 35S promoter

    Hiroyuki Kogami;Mariko Shono;Takayoshi Koike;Syuuichi Yanagisawa

  • The primary structure of phosphoenolpyruvate carboxylase of Escherichia coli. Nucleotide sequence of the ppc gene and deduced amino acid sequence.

    Nobuyuki Fujita;Tetsuya Miwa;Sumio Ishijima;Katsura Izui

  • Lotus japonicus forms early senescent root nodules with Rhizobium etli.

    Mari Banba;Abu-Baker M. Siddique;Hiroshi Kouchi;Katsura Izui

  • Regulation of Escherichia coli Phosphoenolpyruvate Carboxylase by Multiple Effectors In Vivo. II. Kinetic Studies with a Reaction System Containing Physiological Concentrations of Ligands

    Katsura Izui;Masaaki Taguchi;Minoru Morikawa;Minoru Morikawa;Hirohiko Katsuki

  • Transcriptome profiling of Lotus japonicus roots during arbuscular mycorrhiza development and comparison with that of nodulation.

    Yuichi Deguchi;Mari Banba;Yoshikazu Shimoda;Svetlana A. Chechetka

  • Maize leaf phosphoenolpyruvate carboxylase: phosphorylation of Ser15 with a mammalian cyclic AMP-dependent protein kinase diminishes sensitivity to inhibition by malate

    Kazutoyo Terada;Takako Kai;Sachiko Okuno;Hitoshi Fujisawa

  • Thioredoxin-Mediated Reductive Activation of a Protein Kinase for the Regulatory Phosphorylation of C4-form Phosphoenolpyruvate Carboxylase from Maize

    Hidetoshi Saze;Yoshihisa Ueno;Toru Hisabori;Hiroaki Hayashi

  • Erratum: A plastidial sodium-dependent pyruvate transporter

    Tsuyoshi Furumoto;Teppei Yamaguchi;Yumiko Ohshima-Ichie;Masayoshi Nakamura

Frequent Co-Authors

Yasushi Kai
Yasushi Kai Osaka University
Hiroshi Kouchi
Hiroshi Kouchi University of Tsukuba
Tsuyoshi Inoue
Tsuyoshi Inoue Osaka University
Yusuke Saijo
Yusuke Saijo Nara Institute of Science and Technology
Shuichi Yanagisawa
Shuichi Yanagisawa University of Tokyo
Nobuyuki Fujita
Nobuyuki Fujita National Institute of Genetics
Yasuyoshi Sakai
Yasuyoshi Sakai Kyoto University
Hisataka Sabe
Hisataka Sabe Hokkaido University
Ko Shimamoto
Ko Shimamoto Nara Institute of Science and Technology
Junko Kyozuka
Junko Kyozuka Tohoku University

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