World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
51
Citations
7263
World Ranking
14177
National Ranking
1098

Tohru Dairi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Tohru Dairi sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 644 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 253 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 178 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Tohru Dairi D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Tohru Dairi is a researcher affiliated with Hokkaido University in Japan, specializing in the areas of biochemistry, genetics, and molecular biology. Their work spans multiple subfields, notably molecular biology and pharmacology, with additional contributions to plant science, nutrition and dietetics, and oncology. The main focus of their research lies in microbial natural products and biosynthesis, microbial metabolic engineering and bioproduction, genomics and phylogenetic studies, RNA and protein synthesis mechanisms, peptidase inhibition and analysis, as well as fungal biology and metal-catalyzed oxygenation mechanisms.

Dairi has contributed to numerous publications in a range of peer-reviewed journals, with frequent appearances in venues such as Bioscience Biotechnology and Biochemistry, Journal of Bioscience and Bioengineering, Nature Communications, The Journal of Antibiotics, and Journal of Agricultural and Food Chemistry.

Notable recent papers include:

  • Identification of Cyclopropane Formation in the Biosyntheses of Hormaomycins and Belactosins: Sequential Nitration and Cyclopropanation by Metalloenzymes (2021), published in Angewandte Chemie International Edition
  • High Production of Ergothioneine in Escherichia coli using the Sulfoxide Synthase from Methylobacterium strains (2020), published in Journal of Agricultural and Food Chemistry
  • Recent advances in functional analysis of polyunsaturated fatty acid synthases (2020), published in Current Opinion in Chemical Biology
  • Identification of the peptide epimerase MslH responsible for d-amino acid introduction at the C-terminus of ribosomal peptides (2020), published in Chemical Science
  • First direct evidence for direct cell-membrane penetrations of polycationic homopoly(amino acid)s produced by bacteria (2022), published in Communications Biology

Collaborations form a significant part of Dairi's scientific output. Frequent co-authors include Yasushi Ogasawara, Chitose Maruyama, Yoshimitsu Hamano, Yasuharu Satoh, and Takeshi Tsunoda.

Best Publications

  • An alternative menaquinone biosynthetic pathway operating in microorganisms.

    Tomoshige Hiratsuka;Kazuo Furihata;Jun Ishikawa;Haruyuki Yamashita

  • Fusicoccins are biosynthesized by an unusual chimera diterpene synthase in fungi

    Tomonobu Toyomasu;Mai Tsukahara;Akane Kaneko;Rie Niida

  • Reconstitution of biosynthetic machinery for indole-diterpene paxilline in Aspergillus oryzae.

    Koichi Tagami;Chengwei Liu;Atsushi Minami;Motoyoshi Noike

  • Formation of 4-(cytidine 5′-diphospho)-2-C-methyl-d-erythritol from 2-C-methyl-d-erythritol 4-phosphate by 2-C-methyl-d-erythritol 4-phosphate cytidylyltransferase, a new enzyme in the nonmevalonate pathway

    Tomohisa Kuzuyama;Motoki Takagi;Kazuhide Kaneda;Tohru Dairi

  • Studies on the nonmevalonate pathway: conversion of 4-(cytidine 5′-diphospho)-2-C-methyl-d-erythritol to its 2-phospho derivative by 4-(cytidine 5′-diphospho)-2-C-methyl-d-erythritol kinase

    Tomohisa Kuzuyama;Motoki Takagi;Kazuhide Kaneda;Hiroyuki Watanabe

  • Cloning and nucleotide sequence of the gene responsible for chlorination of tetracycline.

    Tohru Dairi;Tetsuo Nakano;Kazuo Aisaka;Ryoichl Katsumata

  • Gene cloning, biochemical characterization and physiological role of a thermostable low‐specificity L‐threonine aldolase from Escherichia coli

    Ji-Quan Liu;Tohru Dairi;Nobuya Itoh;Michihiko Kataoka

  • Chiral alcohol production by NADH-dependent phenylacetaldehyde reductase coupled with in situ regeneration of NADH.

    Nobuya Itoh;Michiko Matsuda;Mariko Mabuchi;Tohru Dairi

  • Biosynthesis of a Natural Polyketide-Isoprenoid Hybrid Compound, Furaquinocin A: Identification and Heterologous Expression of the Gene Cluster

    Takashi Kawasaki;Yutaka Hayashi;Tomohisa Kuzuyama;Kazuo Furihata

  • Studies on the nonmevalonate pathway: formation of 2-C-methyl-d-erythritol 2,4-cyclodiphosphate from 2-phospho-4-(cytidine 5′-diphospho)-2-C-methyl-d-erythritol

    Motoki Takagi;Tomohisa Kuzuyama;Kazuhide Kaneda;Hiroyuki Watanabe

  • Eubacterial Diterpene Cyclase Genes Essential for Production of the Isoprenoid Antibiotic Terpentecin

    Tohru Dairi;Yoshimitsu Hamano;Tomohisa Kuzuyama;Nobuya Itoh

  • fldA is an essential gene required in the 2-C-methyl-D-erythritol 4-phosphate pathway for isoprenoid biosynthesis.

    Kia-Joo Puan;Hong Wang;Tohru Dairi;Tomohisa Kuzuyama

  • Functional Analysis of Eubacterial Diterpene Cyclases Responsible for Biosynthesis of a Diterpene Antibiotic, Terpentecin

    Yoshimitsu Hamano;Tomohisa Kuzuyama;Nobuya Itoh;Kazuo Furihata

  • Studies on Biosynthetic Genes and Enzymes of Isoprenoids Produced by Actinomycetes

    Tohru Dairi

  • Reveromycin A biosynthesis uses RevG and RevJ for stereospecific spiroacetal formation.

    Shunji Takahashi;Atsushi Toyoda;Yasuyo Sekiyama;Hiroshi Takagi

  • Menaquinone Biosynthesis: Formation of aminofutalosine requires a unique radical SAM enzyme

    Nilkamal Mahanta;Dmytro Fedoseyenko;Tohru Dairi;Tadhg P. Begley

  • Biosynthetic Gene-Based Secondary Metabolite Screening: A New Diterpene, Methyl Phomopsenonate, from the Fungus Phomopsis amygdali

    Tomonobu Toyomasu;Akane Kaneko;Tetsuo Tokiwano;Yuya Kanno

  • Diversity of microbial threonine aldolases and their application

    Ji-Quan Liu;Tohru Dairi;Nobuya Itoh;Michihiko Kataoka

  • An Alkaline D-Stereospecific Endopeptidase with β-Lactamase Activity from Bacillus cereus

    Yasuhisa Asano;Hajime Ito;Tohru Dairi;Yasuo Kato

  • Mycobacterium tuberculosis H37Rv3377c encodes the diterpene cyclase for producing the halimane skeleton

    Chiaki Nakano;Tomoo Okamura;Tsutomu Sato;Tohru Dairi

  • Alternative menaquinone biosynthetic pathway operating in microorganisms

    Tohru Dairi

Frequent Co-Authors

Tomohisa Kuzuyama
Tomohisa Kuzuyama University of Tokyo
Hideaki Oikawa
Hideaki Oikawa Hokkaido University
Sakayu Shimizu
Sakayu Shimizu Kyoto University
Kazuo Furihata
Kazuo Furihata University of Tokyo
Haruo Seto
Haruo Seto University of Tokyo
Yasuhisa Asano
Yasuhisa Asano Toyama Prefectural University
Toshikazu Oki
Toshikazu Oki Toyama Prefectural University
Katsuya Gomi
Katsuya Gomi Tohoku University
Tadhg P. Begley
Tadhg P. Begley Texas A&M University
Toshifumi Satoh
Toshifumi Satoh Hokkaido University

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