World's Best Scientists 2026 revealed!
Shigeyuki Hamada

Shigeyuki Hamada

D-Index & Metrics

Microbiology

D-Index
79
Citations
21311
World Ranking
1220
National Ranking
31

Shigeyuki Hamada publication distribution in Microbiology in 2026

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

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 342 publications — 84th percentile

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

The last bar groups every scientist with 679 publications or more.

Shigeyuki Hamada D-index placement in Microbiology in 2026

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

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 79 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Shigeyuki Hamada is affiliated with Osaka University in Japan and has contributed extensively to the field of Biochemistry, Genetics and Molecular Biology, with a strong focus on Molecular Medicine. Their research spans various subfields including Endocrinology, Pollution, Clinical Biochemistry, and Infectious Diseases.

The scientist's work covers multiple main topics such as Antibiotic Resistance in Bacteria, Pharmaceutical and Antibiotic Environmental Impacts, Vibrio bacteria research studies, Bacterial Identification and Susceptibility Testing, Salmonella and Campylobacter epidemiology, Plant Pathogenic Bacteria Studies, and Infections and bacterial resistance.

Frequent co-authors collaborating with Shigeyuki Hamada include:

  • Yukihiro Akeda (26 publications)
  • Yo Sugawara (16 publications)
  • Daisuke Motooka (13 publications)
  • Yuki Matsumoto (12 publications)
  • Kazunori Tomono (12 publications)

Key recent papers authored or co-authored by Hamada are:

  • "Klebsiella pneumoniae Complex Harboring mcr-1, mcr-7, and mcr-8 Isolates from Slaughtered Pigs in Thailand," 2021, Microorganisms
  • "Nationwide surveillance in Thailand revealed genotype-dependent dissemination of carbapenem-resistant Enterobacterales," 2022, Microbial Genomics
  • "Enhanced Carbapenem Resistance through Multimerization of Plasmids Carrying Carbapenemase Genes," 2021, mBio
  • "Distribution and Molecular Characterization of Escherichia coli Harboring mcr Genes Isolated from Slaughtered Pigs in Thailand," 2020, Microbial Drug Resistance
  • "Transmission dynamics of a linear vanA-plasmid during a nosocomial multiclonal outbreak of vancomycin-resistant enterococci in a non-endemic area, Japan," 2021, Scientific Reports

Hamada has published multiple works in frequent publication venues including:

  • Journal of Medical Microbiology (4 publications)
  • Scientific Reports (3 publications)
  • mSystems (3 publications)
  • Journal of Antimicrobial Chemotherapy (3 publications)
  • Microorganisms (2 publications)

Best Publications

  • Biology, immunology, and cariogenicity of Streptococcus mutans

    S Hamada;H D Slade

  • Autophagy defends cells against invading group A Streptococcus.

    Ichiro Nakagawa;Atsuo Amano;Noboru Mizushima;Akitsugu Yamamoto

  • Genome Sequence of an M3 Strain of Streptococcus pyogenes Reveals a Large-Scale Genomic Rearrangement in Invasive Strains and New Insights into Phage Evolution

    Ichiro Nakagawa;Ken Kurokawa;Atsushi Yamashita;Masanobu Nakata

  • Prevalence of Specific Genotypes of Porphyromonas gingivalis fimA and Periodontal Health Status

    A Amano;M Kuboniwa;I Nakagawa;S Akiyama

  • Distribution of Porphyromonas gingivalis strains with fimA genotypes in periodontitis patients.

    Atsuo Amano;Ichiro Nakagawa;Kosuke Kataoka;Ichijiro Morisaki

  • Virulence Factors of Streptococcus mutans and Dental Caries Prevention

    S. Hamada;T. Koga;T. Ooshima

  • Induction of interleukin-1 and -6 in human gingival fibroblast cultures stimulated with Bacteroides lipopolysaccharides.

    Haruhiko Takada;J. Mihara;I. Morisaki;S. Hamada

  • Fba, a novel fibronectin-binding protein from Streptococcus pyogenes, promotes bacterial entry into epithelial cells, and the fba gene is positively transcribed under the Mga regulator.

    Yutaka Terao;Shigetada Kawabata;Eiji Kunitomo;Jumpei Murakami

  • Biochemical and immunobiological properties of lipopolysaccharide (LPS) from Bacteroides gingivalis and comparison with LPS from Escherichia coli.

    T Koga;T Nishihara;T Fujiwara;T Nisizawa

  • Cloning of a surface protein antigen gene from serotype c Streptococcus mutans.

    N. Okahashi;C. Sasakawa;M. Yoshikawa;S. Hamada

  • Silkworm pathogenic bacteria infection model for identification of novel virulence genes.

    Chikara Kaito;Kenji Kurokawa;Yasuhiko Matsumoto;Yutaka Terao

  • The importance of fimbriae in the virulence and ecology of some oral bacteria.

    S. Hamada;A. Amano;S. Kimura;I. Nakagawa

  • Oolong Tea Polyphenols Inhibit Experimental Dental Caries in SPF Rats Infected with Mutatis Streptococci

    T. Ooshima;T. Minami;W. Aono;A. Izumitani

  • Functional Differences among FimA Variants of Porphyromonas gingivalis and Their Effects on Adhesion to and Invasion of Human Epithelial Cells

    Ichiro Nakagawa;Atsuo Amano;Masae Kuboniwa;Takayuki Nakamura

  • Multifunctional glyceraldehyde-3-phosphate dehydrogenase of Streptococcus pyogenes is essential for evasion from neutrophils.

    Yutaka Terao;Masaya Yamaguchi;Shigeyuki Hamada;Shigetada Kawabata

  • Effect of sucrose in culture media on the location of glucosyltransferase of Streptococcus mutans and cell adherence to glass surfaces.

    S Hamada;M Torii

  • Demonstration of Streptococcus mutans with a Cell Wall Polysaccharide Specific to a New Serotype, k, in the Human Oral Cavity

    Kazuhiko Nakano;Ryota Nomura;Ichiro Nakagawa;Shigeyuki Hamada

  • Molecular Characterization of a Novel Fibronectin-binding Protein of Streptococcus pyogenes Strains Isolated from Toxic Shock-like Syndrome Patients*

    Yutaka Terao;Yutaka Terao;Shigetada Kawabata;Shigetada Kawabata;Masanobu Nakata;Ichiro Nakagawa

  • Identification of a new variant of fimA gene of Porphyromonas gingivalis and its distribution in adults and disabled populations with periodontitis.

    I. Nakagawa;A. Amano;Y. Ohara-Nemoto;N. Endoh

  • Nasopharyngeal-Associated Lymphoreticular Tissue (NALT) Immunity: Fimbriae-Specific Th1 and Th2 Cell-Regulated IgA Responses for the Inhibition of Bacterial Attachment to Epithelial Cells and Subsequent Inflammatory Cytokine Production

    Manabu Yanagita;Takachika Hiroi;Noriko Kitagaki;Shigeyuki Hamada

Frequent Co-Authors

Takashi Ooshima
Takashi Ooshima Osaka University
Yukihiro Akeda
Yukihiro Akeda National Institute of Infectious Diseases
Ichiro Nakagawa
Ichiro Nakagawa Kyoto University
Shigetada Kawabata
Shigetada Kawabata Osaka University
Atsuo Amano
Atsuo Amano Osaka University
Kazunori Oishi
Kazunori Oishi National Institutes of Health
Marcelo Gottschalk
Marcelo Gottschalk University of Montreal
Shozo Kotani
Shozo Kotani Osaka University
Tatsuji Nishihara
Tatsuji Nishihara Kyushu Dental University
Tomohiko Ogawa
Tomohiko Ogawa Asahi University

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