D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Microbiology D-index 50 Citations 6,318 154 World Ranking 2125 National Ranking 74

Overview

What is he best known for?

The fields of study he is best known for:

  • Bacteria
  • Enzyme
  • Gene

Shigeyuki Hamada mostly deals with Microbiology, Streptococcus mutans, Porphyromonas gingivalis, Fimbria and Molecular biology. As a part of the same scientific family, he mostly works in the field of Microbiology, focusing on Treponema denticola and, on occasion, Prevotella nigrescens, Bacteroides and Eikenella corrodens. The concepts of his Streptococcus mutans study are interwoven with issues in Glucosyltransferase, Enzyme, Serotype and Antibacterial activity.

In his study, which falls under the umbrella issue of Porphyromonas gingivalis, Fimbriae Proteins and Monocyte is strongly linked to Peptide. Shigeyuki Hamada interconnects Inflammation, Dental plaque, Bacteroidaceae, Immunoglobulin A and Mucous membrane of nose in the investigation of issues within Fimbria. Shigeyuki Hamada focuses mostly in the field of Molecular biology, narrowing it down to topics relating to Southern blot and, in certain cases, Molecular cloning, Antigen Gene, Plasmid, Mutant and Structural gene.

His most cited work include:

  • Distribution of Porphyromonas gingivalis strains with fimA genotypes in periodontitis patients. (185 citations)
  • Cloning of a surface protein antigen gene from serotype c Streptococcus mutans. (121 citations)
  • 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 (111 citations)

What are the main themes of his work throughout his whole career to date?

His main research concerns Microbiology, Streptococcus mutans, Biochemistry, Serotype and Molecular biology. Many of his research projects under Microbiology are closely connected to Strain with Strain, tying the diverse disciplines of science together. His research integrates issues of Glucosyltransferase, Glucosyltransferases, Enzyme and Glucan in his study of Streptococcus mutans.

In his research on the topic of Glucan, Dextranase is strongly related with Polysaccharide. His research investigates the connection between Serotype and topics such as Antigen that intersect with problems in Antibody and Immune system. As part of the same scientific family, Shigeyuki Hamada usually focuses on Molecular biology, concentrating on Porphyromonas gingivalis and intersecting with Peptide.

He most often published in these fields:

  • Microbiology (61.75%)
  • Streptococcus mutans (31.80%)
  • Biochemistry (20.74%)

What were the highlights of his more recent work (between 2015-2021)?

  • Microbiology (61.75%)
  • Enterobacteriaceae (7.83%)
  • Plasmid (6.91%)

In recent papers he was focusing on the following fields of study:

Shigeyuki Hamada mainly focuses on Microbiology, Enterobacteriaceae, Plasmid, Genetics and Gene. His Microbiology research focuses on Drug resistance in particular. His research in Enterobacteriaceae intersects with topics in Klebsiella pneumoniae, Colistin and Meropenem.

His Plasmid research incorporates elements of Carbapenem-resistant enterobacteriaceae and Pulsed-field gel electrophoresis. His work deals with themes such as Immunology, Pathogenesis, Immunoglobulin class switching, Germinal center and Streptococcus, which intersect with Streptococcus pyogenes. His research in Streptococcus focuses on subjects like Intergenic spacer, which are connected to Serotype.

Between 2015 and 2021, his most popular works were:

  • Genetic characterization of blaNDM-harboring plasmids in carbapenem-resistant Escherichia coli from Myanmar. (48 citations)
  • Prevalence of, and risk factors for carriage of carbapenem-resistant Enterobacteriaceae among hospitalized patients in Japan (40 citations)
  • Emergence of Streptococcus suis serotype 9 infection in humans (40 citations)

In his most recent research, the most cited papers focused on:

  • Bacteria
  • Gene
  • Enzyme

His primary areas of investigation include Microbiology, Enterobacteriaceae, Gene, Bacteria and Escherichia coli. His Microbiology research is multidisciplinary, relying on both Multilocus sequence typing and Streptococcus suis serotype. His Streptococcus suis serotype research is multidisciplinary, incorporating perspectives in Meningitis, Bioinformatics, Virology, Sepsis and Rare case.

The Enterobacteriaceae study which covers Plasmid that intersects with Colistin. His study on Multiplex polymerase chain reaction, Bacterial protein, genomic DNA and Pcr cloning is often connected to Dipstick as part of broader study in Gene. His studies deal with areas such as Typing and Mobile genetic elements as well as Bacteria.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

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

Atsuo Amano;Ichiro Nakagawa;Kosuke Kataoka;Ichijiro Morisaki.
Journal of Clinical Microbiology (1999)

282 Citations

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

N. Okahashi;C. Sasakawa;M. Yoshikawa;S. Hamada.
Molecular Microbiology (1989)

184 Citations

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.
Journal of Immunology (1999)

170 Citations

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.
Journal of Clinical Microbiology (2004)

165 Citations

Periodontopathic bacterial infection in childhood.

Shigenobu Kimura;Takashi Ooshima;Miyako Takiguchi;Yumi Sasaki.
Journal of Periodontology (2002)

157 Citations

Distribution and molecular characterization of Porphyromonas gingivalis carrying a new type of fimA gene.

Ichiro Nakagawa;Atsuo Amano;Richard K. Kimura;Takayuki Nakamura.
Journal of Clinical Microbiology (2000)

157 Citations

CD4+ T-cell population mediates development of inflammatory bowel disease in T-cell receptor alpha chain-deficient mice.

Ichiro Takahashi;Hiroshi Kiyono;Shigeyuki Hamada.
Gastroenterology (1997)

148 Citations

Systemic and Mucosal Immunizations with Fibronectin-Binding Protein FBP54 Induce Protective Immune Responses against Streptococcus pyogenes Challenge in Mice

Shigetada Kawabata;Eiji Kunitomo;Yutaka Terao;Ichiro Nakagawa.
Infection and Immunity (2001)

140 Citations

Increase in tumor necrosis factor alpha- and interleukin-6-secreting cells in peripheral blood mononuclear cells from subjects infected with Mycobacterium tuberculosis.

T Ogawa;H Uchida;Y Kusumoto;Y Mori.
Infection and Immunity (1991)

138 Citations

Production and properties of bacteriocins (Mutacins) from Streptococcus Mutans

Shigeyuki Hamada;Takashi Ooshima.
Archives of Oral Biology (1975)

134 Citations

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