World's Best Scientists 2026 revealed!
Shigenori Iwai

Shigenori Iwai

D-Index & Metrics

Molecular Biology

D-Index
77
Citations
24581
World Ranking
1104
National Ranking
89

Chemistry

D-Index
67
Citations
19824
World Ranking
6792
National Ranking
441

Shigenori Iwai 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 Shigenori Iwai 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: 293 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Shigenori Iwai 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 Shigenori Iwai 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: 77 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

Shigenori Iwai is affiliated with Osaka University in Japan and specializes in the field of Biochemistry, Genetics and Molecular Biology, with a significant focus on Molecular Biology as evidenced by 51 publications.

Their research work largely revolves around DNA repair mechanisms and genetic engineering, with specific attention to DNA and nucleic acid chemistry as well as carcinogens and genotoxicity assessment. Additional areas of study include advanced biosensing and bioanalysis techniques, RNA and protein synthesis mechanisms, and the effects of light on plants.

Frequent publication venues for Iwai include:

  • Nucleic Acids Research
  • Journal of Biological Chemistry
  • Photochemical & Photobiological Sciences
  • Proceedings of the National Academy of Sciences
  • Genes and Environment

The scientist's recent papers include:

  • "Topoisomerase I-driven repair of UV-induced damage in NER-deficient cells," 2020, Proceedings of the National Academy of Sciences
  • "Effects of acetaldehyde-induced DNA lesions on DNA metabolism," 2020, Genes and Environment
  • "Novel mechanisms for the removal of strong replication-blocking HMCES- and thiazolidine-DNA adducts in humans," 2023, Nucleic Acids Research
  • "Enhanced DNA repair by DNA photolyase bearing an artificial light-harvesting chromophore," 2020, Nucleic Acids Research
  • "Acetaldehyde induces NER repairable mutagenic DNA lesions," 2021, Carcinogenesis

Frequent co-authors collaborating with Iwai include:

  • Junpei Yamamoto
  • Isao Kuraoka
  • Keiichiro Suzuki
  • Miyako Shiraishi
  • Narumi Shioi

The primary topics covered in Iwai's research are:

  • DNA Repair Mechanisms
  • CRISPR and Genetic Engineering
  • DNA and Nucleic Acid Chemistry
  • Advanced biosensing and bioanalysis techniques
  • Carcinogens and Genotoxicity Assessment
  • RNA and protein synthesis mechanisms
  • Light effects on plants

Best Publications

  • The XPV (xeroderma pigmentosum variant) gene encodes human DNA polymerase eta.

    Chikahide Masutani;Rika Kusumoto;Rika Kusumoto;Ayumi Yamada;Naoshi Dohmae

  • Xeroderma Pigmentosum Group C Protein Complex Is the Initiator of Global Genome Nucleotide Excision Repair

    Kaoru Sugasawa;Jessica M.Y Ng;Chikahide Masutani;Shigenori Iwai

  • 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

  • UV-Induced Ubiquitylation of XPC Protein Mediated by UV-DDB-Ubiquitin Ligase Complex

    Kaoru Sugasawa;Yuki Okuda;Masafumi Saijo;Ryotaro Nishi

  • Mechanisms of accurate translesion synthesis by human DNA polymerase η

    Chikahide Masutani;Rika Kusumoto;Shigenori Iwai;Fumio Hanaoka

  • A multistep damage recognition mechanism for global genomic nucleotide excision repair

    Kaoru Sugasawa;Tomoko Okamoto;Yuichiro Shimizu;Chikahide Masutani

  • Xeroderma pigmentosum variant (XP-V) correcting protein from HeLa cells has a thymine dimer bypass DNA polymerase activity.

    Chikahide Masutani;Marito Araki;Ayumi Yamada;Rika Kusumoto;Rika Kusumoto

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

    Hideo Inoue;Yoji Hayase;Shigenori Iwai;Eiko Ohtsuka

  • Structural basis of UV DNA-damage recognition by the DDB1-DDB2 complex.

    Andrea Scrima;Renata Koníčková;Bryan K. Czyzewski;Yusuke Kawasaki

  • The molecular basis of CRL4DDB2/CSA ubiquitin ligase architecture, targeting, and activation.

    Eric S. Fischer;Andrea Scrima;Kerstin Böhm;Syota Matsumoto

  • 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

  • Identification of human MutY homolog (hMYH) as a repair enzyme for 2-hydroxyadenine in DNA and detection of multiple forms of hMYH located in nuclei and mitochondria

    Toshio Ohtsubo;Kenichi Nishioka;Yasuyuki Imaiso;Shigenori Iwai

  • The Molecular Basis of Crl4(Ddb2/Csa) Ubiquitin Ligase Architecture, Targeting, and Activation.

    A Scrima;E.S Fischer;S Iwai;H Gut

  • Error-prone bypass of certain DNA lesions by the human DNA polymerase κ

    Eiji Ohashi;Tomoo Ogi;Rika Kusumoto;Rika Kusumoto;Shigenori Iwai

  • Preferential cis-syn thymine dimer bypass by DNA polymerase η occurs with biased fidelity

    Scott D McCulloch;Robert J Kokoska;Chikahide Masutani;Shigenori Iwai

  • Sulfolobus solfataricus P2 DNA polymerase IV (Dpo4): an archaeal DinB-like DNA polymerase with lesion-bypass properties akin to eukaryotic polη

    François Boudsocq;Shigenori Iwai;Fumio Hanaoka;Roger Woodgate

  • 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

  • Centrin 2 stimulates nucleotide excision repair by interacting with xeroderma pigmentosum group C protein.

    Ryotaro Nishi;Yuki Okuda;Eriko Watanabe;Toshio Mori

  • The intricate structural chemistry of base excision repair machinery: implications for DNA damage recognition, removal, and repair.

    Kenichi Hitomi;Shigenori Iwai;John A. Tainer

Frequent Co-Authors

Fumio Hanaoka
Fumio Hanaoka National Institute of Genetics
Eiko Ohtsuka
Eiko Ohtsuka Hokkaido University
Takeshi Todo
Takeshi Todo Osaka University
Elizabeth D. Getzoff
Elizabeth D. Getzoff Scripps Research Institute
Chikahide Masutani
Chikahide Masutani Nagoya University
Kaoru Sugasawa
Kaoru Sugasawa Kobe University
Hideki Kandori
Hideki Kandori Nagoya Institute of Technology
Morio Ikehara
Morio Ikehara Osaka University
John A. Tainer
John A. Tainer The University of Texas MD Anderson Cancer Center
Haruki Nakamura
Haruki Nakamura Osaka University

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