World's Best Scientists 2026 revealed!
Eiko Ohtsuka

Eiko Ohtsuka

D-Index & Metrics

Molecular Biology

D-Index
67
Citations
19962
World Ranking
1559
National Ranking
129

Eiko Ohtsuka publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Eiko Ohtsuka sits on this spectrum.

47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47 publications 564+

This scientist: 388 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

Eiko Ohtsuka D-index placement in Molecular Biology in 2026

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

40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40 D-Index 145+

This scientist: 67 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

Overview

Eiko Ohtsuka is affiliated with Hokkaido University in Japan. Their academic profile includes contributions to scientific research, although specific recent papers, frequent co-authors, and publication venues have not been documented in the available data.

No records of book publications or detailed information on their main or subfields of study are provided. As a result, the scientist's research focus areas cannot be specified based on currently accessible information.

Similarly, there is no available data to outline main topics of work or to identify any awards the scientist might have received. The absence of such details limits the scope of description regarding their academic accomplishments and career milestones.

Despite limitations in the dataset, it is clear that Eiko Ohtsuka is an active researcher connected to a prominent Japanese university known for various scientific disciplines. The lack of evidence about co-authors and common publication venues suggests either a low-publication record in indexed journals or unlisted collaborations.

In summary, Eiko Ohtsuka's profile is identified primarily through their connection with Hokkaido University, with further data required to elaborate on their specific scientific contributions, fields of study, and scholarly output.

Best Publications

  • Misreading of DNA templates containing 8-hydroxydeoxyguanosine at the modified base and at adjacent residues

    Y Kuchino;F Mori;H Kasai;H Inoue

  • Synthesis and hybridization studies on two complementary nona(2'-O-methyl)ribonucleotides.

    Hideo Inoue;Yoji Hayase;Akihiro Imura;Shigenori Iwai

  • An alternative approach to deoxyoligonucleotides as hybridization probes by insertion of deoxyinosine at ambiguous codon positions.

    E Ohtsuka;S Matsuki;M Ikehara;Y Takahashi

  • Three-dimensional structure of an oncogene protein: catalytic domain of human c-H-ras p21.

    A. M. De Vos;Liang Tong;M. V. Milburn;P. M. Matias

  • Sequence-dependent hydrolysis of RNA using modified oligonucleotide splints and RNase H

    Hideo Inoue;Yoji Hayase;Shigenori Iwai;Eiko Ohtsuka

  • Studies on polynucleotides. XCVI. Repair replication of short synthetic DNA's as catalyzed by DNA polymerases

    K. Kleppe;E. Ohtsuka;R. Kleppe;Ian J Molineux

  • Cloning and Characterization of Mammalian 8-Hydroxyguanine-specific DNA Glycosylase/Apurinic, Apyrimidinic Lyase, a Functional mutM Homologue

    Hiroyuki Aburatani;Yoshitaka Hippo;Toshimitsu Ishida;Rieko Takashima

  • Molecular cloning and sequence determination of cDNAs for alpha subunits of the guanine nucleotide-binding proteins Gs, Gi, and Go from rat brain.

    H. Itoh;T. Kozasa;S. Nagata;S. Nakamura

  • Numbering system for the hammerhead

    K.J. Hertel;A. Pardi;O.C. Uhlenbeck;M. Koizumi

  • Tryptophan H33 plays an important role in pyrimidine (6–4) pyrimidone photoproduct binding by a high-affinity antibody

    Hiroyuki Kobayashi;Jiro Kato;Hiroshi Morioka;Jon D. Stewart

  • Structural basis for recruitment of human flap endonuclease 1 to PCNA.

    Shigeru Sakurai;Ken Kitano;Hiroto Yamaguchi;Keisuke Hamada

  • Atomic model of a pyrimidine dimer excision repair enzyme complexed with a dna substrate: Structural basis for damaged DNA recognition

    Dmitry G. Vassylyev;Tatsuki Kashiwagi;Yuriko Mikami;Mariko Ariyoshi

  • Molecular cloning of the human cholecystokinin gene by use of a synthetic probe containing deoxyinosine

    Yoosuke Takahashi;Kikuya Kato;Yoshihide Hayashizaki;Toshiaki Wakabayashi

  • NMR studies of a DNA containing 8-hydroxydeoxyguanosine.

    Yasushi Oda;Seichi Uesugi;Morio Ikehara;Susumu Nishimura

  • How does RNase H recognize a DNA.RNA hybrid

    H Nakamura;Y Oda;S Iwai;H Inoue

  • c-Ha-ras containing 8-hydroxyguanine at codon 12 induces point mutations at the modified and adjacent positions.

    Hiroyuki Kamiya;Kazunobu Miura;Hiroyuki Ishikawa;Hideo Inoue

  • Studies on polynucleotides. 103. Total synthesis of the structural gene for an alanine transfer ribonucleic acid from yeast.

    H.G. Khorana;K.L. Agarwal;H. Büchi;M.H. Caruthers

  • Evidence for two DNA repair enzymes for 8-hydroxyguanine (7,8-dihydro-8-oxoguanine) in human cells.

    Tadayoshi Bessho;Keizo Tano;Hiroshi Kasai;Eiko Ohtsuka

  • Structure-Function Relationship of the Eukaryotic DNA Replication Factor, Proliferating Cell Nuclear Antigen

    Kotaro Fukuda;Kotaro Fukuda;Hiroshi Morioka;Sayuri Imajou;Soichiro Ikeda

  • Identification of the amino acid residues involved in an active site of Escherichia coli ribonuclease H by site-directed mutagenesis.

    S Kanaya;A Kohara;Y Miura;A Sekiguchi

Frequent Co-Authors

Morio Ikehara
Morio Ikehara Osaka University
Shigenori Iwai
Shigenori Iwai Osaka University
Susumu Nishimura
Susumu Nishimura University of Tsukuba
Hiroyuki Kamiya
Hiroyuki Kamiya Hiroshima University
Kosuke Morikawa
Kosuke Morikawa Kyoto University
Toshio Hakoshima
Toshio Hakoshima Nara Institute of Science and Technology
Haruki Nakamura
Haruki Nakamura Osaka University
Shigenori Kanaya
Shigenori Kanaya Osaka University
Hiroshi Kasai
Hiroshi Kasai University of Occupational and Environmental Health Japan
Ichio Shimada
Ichio Shimada University of Tokyo

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