World's Best Scientists 2026 revealed!
Tsutomu Katayama

Tsutomu Katayama

D-Index & Metrics

Biology and Biochemistry

D-Index
41
Citations
13957
World Ranking
19527
National Ranking
1409

Tsutomu Katayama 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 Tsutomu Katayama 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: 176 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Tsutomu Katayama 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 Tsutomu Katayama 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: 41 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Overview

Tsutomu Katayama is affiliated with Kyushu University in Japan and specializes in research within the broad domain of Biochemistry, Genetics, and Molecular Biology. Their scholarly work focuses extensively on Molecular Biology and Genetics, with additional contributions in Ecology, Molecular Medicine, and Cellular and Molecular Neuroscience.

Their research topics cover various aspects of DNA and cellular function, including DNA Repair Mechanisms, Bacterial Genetics and Biotechnology, DNA and Nucleic Acid Chemistry, Bacteriophages and microbial interactions, Mitochondrial Function and Pathology, Antibiotic Resistance in Bacteria, and RNA and protein synthesis mechanisms.

Katayama has published multiple papers in several respected scientific journals. Recent notable papers include:

  • DnaB helicase is recruited to the replication initiation complex via binding of DnaA domain I to the lateral surface of the DnaB N-terminal domain, 2020, Journal of Biological Chemistry
  • Single-stranded DNA recruitment mechanism in replication origin unwinding by DnaA initiator protein and HU, an evolutionary ubiquitous nucleoid protein, 2023, Nucleic Acids Research
  • Novel Divisome-Associated Protein Spatially Coupling the Z-Ring with the Chromosomal Replication Terminus in Caulobacter crescentus, 2020, mBio
  • Whole-Genome Analysis Reveals That the Nucleoid Protein IHF Predominantly Binds to the Replication Origin oriC Specifically at the Time of Initiation, 2021, Frontiers in Microbiology
  • Concerted actions of DnaA complexes with DNA-unwinding sequences within and flanking replication origin oriC promote DnaB helicase loading, 2022, Journal of Biological Chemistry

The frequent co-authors collaborating with Katayama include:

  • Shogo Ozaki
  • Ryusei Yoshida
  • Kazutoshi Kasho
  • Kazuma Korogi
  • Qinfei Wu

Katayama's publications are commonly found in several key scientific venues including:

  • Journal of Biological Chemistry
  • Nucleic Acids Research
  • Frontiers in Microbiology
  • mBio
  • eLife

Best Publications

  • The Initiator Function of DnaA Protein Is Negatively Regulated by the Sliding Clamp of the E. coli Chromosomal Replicase

    Tsutomu Katayama;Tsutomu Katayama;Toshio Kubota;Kenji Kurokawa;Elliott Crooke

  • Hda, a novel DnaA-related protein, regulates the replication cycle in Escherichia coli

    Jun Ichi Kato;Tsutomu Katayama

  • Cell size and nucleoid organization of engineered Escherichia coli cells with a reduced genome

    Masayuki Hashimoto;Toshiharu Ichimura;Hiroshi Mizoguchi;Kimie Tanaka

  • Regulation of the replication cycle: conserved and diverse regulatory systems for DnaA and oriC

    Tsutomu Katayama;Shogo Ozaki;Kenji Keyamura;Kazuyuki Fujimitsu

  • Regulating DNA Replication in Bacteria

    Kirsten Skarstad;Tsutomu Katayama

  • Replication cycle-coordinated change of the adenine nucleotide-bound forms of DnaA protein in Escherichia coli.

    Kenji Kurokawa;Kenji Kurokawa;Satoshi Nishida;Akiko Emoto;Kazuhisa Sekimizu;Kazuhisa Sekimizu

  • Structural basis of replication origin recognition by the DnaA protein.

    Norie Fujikawa;Hitoshi Kurumizaka;Osamu Nureki;Takaho Terada

  • Fate of DNA replication fork encountering a single DNA lesion during oriC plasmid DNA replication in vitro.

    Kumiko Higuchi;Tsutomu Katayama;Shigenori Iwai;Masumi Hidaka

  • Specific genomic sequences of E. coli promote replicational initiation by directly reactivating ADP-DnaA

    Kazuyuki Fujimitsu;Takayuki Senriuchi;Takayuki Senriuchi;Tsutomu Katayama

  • A nucleotide switch in the Escherichia coli DnaA protein initiates chromosomal replication. Evidence from a mutant DnaA protein defective in regulatory ATP hydrolysis in vitro and in vivo

    Satoshi Nishida;Kazuyuki Fujimitsu;Kazuhisa Sekimizu;Tadahiro Ohmura

  • DiaA, a novel DnaA-binding protein, ensures the timely initiation of Escherichia coli chromosome replication.

    Takuma Ishida;Nobuyoshi Akimitsu;Tamami Kashioka;Masakazu Hatano

  • The interaction of DiaA and DnaA regulates the replication cycle in E. coli by directly promoting ATP–DnaA-specific initiation complexes

    Kenji Keyamura;Norie Fujikawa;Takuma Ishida;Shogo Ozaki

  • Structure and Function of DnaA N-terminal Domains SPECIFIC SITES AND MECHANISMS IN INTER-DnaA INTERACTION AND IN DnaB HELICASE LOADING ON oriC

    Yoshito Abe;Takaaki Jo;Yusaku Matsuda;Chika Matsunaga

  • Formation of an ATP-DnaA-specific initiation complex requires DnaA arginine 285, a conserved motif in the AAA+ protein family

    Hironori Kawakami;Kenji Keyamura;Tsutomu Katayama

  • A Common Mechanism for the ATP-DnaA-dependent Formation of Open Complexes at the Replication Origin

    Shogo Ozaki;Hironori Kawakami;Kenta Nakamura;Norie Fujikawa

  • Influence of Cluster Formation of Acidic Phospholipids on Decrease in the Affinity for ATP of DnaA Protein

    Tohru Mizushima;Yuichi Ishikawa;Eishi Obana;Masakazu Hase

  • DnaA binding locus datA promotes DnaA-ATP hydrolysis to enable cell cycle-coordinated replication initiation

    Kazutoshi Kasho;Tsutomu Katayama

  • DiaA Dynamics Are Coupled with Changes in Initial Origin Complexes Leading to Helicase Loading

    Kenji Keyamura;Yoshito Abe;Masahiro Higashi;Tadashi Ueda

  • The DnaA Cycle in Escherichia coli: Activation, Function and Inactivation of the Initiator Protein.

    Tsutomu Katayama;Kazutoshi Kasho;Hironori Kawakami

  • Protein associations in DnaA-ATP hydrolysis mediated by the Hda-replicase clamp complex.

    Masayuki Su'etsugu;Toh Ru Shimuta;Takuma Ishida;Hironori Kawakami

Frequent Co-Authors

Kazuhisa Sekimizu
Kazuhisa Sekimizu University of Tokyo
Tohru Mizushima
Tohru Mizushima Keio University
Toshiki Tsurimoto
Toshiki Tsurimoto Kyushu University
Hitoshi Kurumizaka
Hitoshi Kurumizaka University of Tokyo
Shoji Takada
Shoji Takada Kyoto University
Sota Hiraga
Sota Hiraga Kumamoto University
Katsumi Maenaka
Katsumi Maenaka Hokkaido University
Tsutomu Suzuki
Tsutomu Suzuki University of Tokyo
Anders Løbner-Olesen
Anders Løbner-Olesen University of Copenhagen

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