World's Best Scientists 2026 revealed!
Tairo Oshima

Tairo Oshima

D-Index & Metrics

Biology and Biochemistry

D-Index
61
Citations
11189
World Ranking
11525
National Ranking
793

Tairo Oshima 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 Tairo Oshima 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: 342 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Tairo Oshima 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 Tairo Oshima 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: 61 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

Tairo Oshima is affiliated with the University of Tokyo in Japan and specializes in research within the fields of Biochemistry, Genetics, and Molecular Biology. Their publications prominently focus on molecular biology, biochemistry, ecology, materials chemistry, and radiation, contributing to an extensive research portfolio spanning several subfields.

Their work addresses a range of topics including polyamine metabolism and applications, amino acid enzymes and metabolism, genomics and phylogenetic studies, enzyme structure and function, bacteriophages and microbial interactions, microbial community ecology and physiology, and advanced X-ray imaging techniques.

Frequent co-authors collaborating with Tairo Oshima include Toshiyuki Moriya, Yoshitaka Bessho, Akihiko Sakamoto, Kazuei Igarashi, and Keiko Kashiwagi, reflecting ongoing partnerships across various studies.

The scientist's recent published papers include:

  • Identification of a novel d-amino acid aminotransferase involved in d-glutamate biosynthetic pathways in the hyperthermophile Thermotoga maritima, 2022, FEBS Journal
  • Enzymatic properties and physiological function of glutamate racemase from Thermus thermophilus, 2020, Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
  • Polyamines produced by an extreme thermophile are essential for cell growth at high temperature, 2022, The Journal of Biochemistry
  • Complete Genome Sequence of Thermus thermophilus Strain HB5018, Isolated from Mine Hot Spring in Japan, 2021, Microbiology Resource Announcements
  • Complete Genome Sequences of Thermus thermophilus Strains HB5002 and HB5008, Isolated from Mine Hot Spring in Japan, 2021, Microbiology Resource Announcements

The most frequent publication venues for Tairo Oshima's work are The Journal of General and Applied Microbiology, The Journal of Biochemistry, Microbiology Resource Announcements, FEBS Journal, and Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics.

Best Publications

  • High guanine plus cytosine content in the third letter of codons of an extreme thermophile. DNA sequence of the isopropylmalate dehydrogenase of Thermus thermophilus.

    Y Kagawa;H Nojima;N Nukiwa;M Ishizuka

  • Reversible thermal unfolding of thermostable phosphoglycerate kinase. Thermostability associated with mean zero enthalpy change.

    Hiroshi Nojima;Hiroshi Nojima;Atsushi Ikai;Atsushi Ikai;Tairo Oshima;Haruhiko Noda;Haruhiko Noda

  • Cloning of 3-Isopropylmalate Dehydrogenase Gene of an Extreme Thermophile and Partial Purification of the Gene Product

    Teruo Tanaka;Naoko Kawano;Tairo Oshima

  • Crystal Structures of Escherichia coli and Salmonella typhimurium 3-Isopropylmalate Dehydrogenase and Comparison with their Thermophilic Counterpart from Thermus thermophilus

    Gerlind Wallon;Gitay Kryger;Susan T Lovett;Tairo Oshima

  • An enzyme with a deep trefoil knot for the active-site architecture.

    Osamu Nureki;Mikako Shirouzu;Kyoko Hashimoto;Ryuichiro Ishitani

  • Transcription Profile of Thermus thermophilus CRISPR Systems after Phage Infection

    Yoshihiro Agari;Keiko Sakamoto;Masatada Tamakoshi;Tairo Oshima

  • 2-oxoacid:ferredoxin oxidoreductase from the thermoacidophilic archaeon, Sulfolobus sp. strain 7.

    Qian Zhang;Toshio Iwasaki;Takayoshi Wakagi;Tairo Oshima

  • The membrane-associated ATPase from Sulfolobus acidocaldarius is distantly related to F1-ATPase as assessed from the primary structure of its alpha-subunit.

    K Denda;J Konishi;T Oshima;T Date

  • Stabilization of nucleic acids by unusual polyamines produced by an extreme thermophile, Thermus thermophilus.

    Yusuke Terui;Mio Ohnuma;Kaori Hiraga;Etsuko Kawashima

  • Heat-induced stability of tRNA from an extreme thermophile, Thermus thermophilus

    Kimitsuna Watanabe;Mikiko Shinma;Tairo Oshima;Susumu Nishimura

  • Amino acid formation in gas mixtures by high energy particle irradiation

    Kensei Kobayashi;Takeo Kaneko;Takeshi Saito;Tairo Oshima

  • Molecular cloning of the beta-subunit of a possible non-F0F1 type ATP synthase from the acidothermophilic archaebacterium, Sulfolobus acidocaldarius.

    K Denda;J Konishi;T Oshima;T Date

  • Long-Term Conservation of Six Duplicated Structural Genes in Cephalopod Mitochondrial Genomes

    Shin-ichi Yokobori;Naoya Fukuda;Mitsue Nakamura;Tomoko Aoyama

  • Nucleotide binding to isolated alpha and beta subunits of proton translocating adenosine triphosphatase studied with circular dichroism.

    Shigeo Ohta;Masamichi Tsuboi;Tairo Oshima;Masasuke Yoshida

  • Replacement of ribothymidine by 5-methyl-2-thiouridine in sequence GTψC in tRNA of an extreme thermophile

    K. Watanabe;T. Oshima;M. Saneyoshi;S. Nishimura

  • Phylogenetic Diversity of Symbiotic Methanogens Living in the Hindgut of the Lower Termite Reticulitermes speratus Analyzed by PCR and In Situ Hybridization

    Naoya Shinzato;Tadao Matsumoto;Ikuo Yamaoka;Tairo Oshima

  • Serial increase in the thermal stability of 3‐isopropylmalate dehydrogenase from Bacillus subtilis by experimental evolution

    Satoshi Akanuma;Akihiko Yamagishi;Nobuo Tanaka;Tairo Oshima

  • The cephalopod Loligo bleekeri mitochondrial genome: multiplied noncoding regions and transposition of tRNA genes.

    Kozo Tomita;Shin ichi Yokobori;Tairo Oshima;Takuya Ueda

  • Studies on polypeptide-chain-elongation factors from an extreme thermophile, Thermus thermophilus HB8. 3. Molecular properties.

    Shun Nakamura;Shigeo Ohta;Ken-ichi Arai;Naoko Arai

  • N1-Aminopropylagmatine, a New Polyamine Produced as a Key Intermediate in Polyamine Biosynthesis of an Extreme Thermophile, Thermus thermophilus

    Mio Ohnuma;Yusuke Terui;Masatada Tamakoshi;Hidemichi Mitome

Frequent Co-Authors

Akihiko Yamagishi
Akihiko Yamagishi Toho University
Susan T. Lovett
Susan T. Lovett Brandeis University
Toshiharu Suzuki
Toshiharu Suzuki Hokkaido University
Akira Chiba
Akira Chiba Tokyo Institute of Technology
Kimitsuna Watanabe
Kimitsuna Watanabe National Institute of Advanced Industrial Science and Technology
Susumu Nishimura
Susumu Nishimura University of Tsukuba
Gregory A. Petsko
Gregory A. Petsko Cornell University
Yasuo Kagawa
Yasuo Kagawa Kagawa Nutrition University
Masasuke Yoshida
Masasuke Yoshida Kyoto Sangyo University
Tsutomu Suzuki
Tsutomu Suzuki University of Tokyo

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