Personnel Information

写真a

SAITO Ryoichi


Job title

Professor

Research Areas, Keywords

bacteria, virulence, antibiotic resistance, molecular epidemiology, vaccine, rapid detection

Graduating School 【 display / non-display

  • Tokyo Medical and Dental University, Faculty of Medicine, 1997.03, Graduated

Graduate School 【 display / non-display

  • Tokyo Medical and Dental University, Doctor's Course, 2007.03, Completed

Degree 【 display / non-display

  • Doctor (Medical Laboratory Science)

Campus Career 【 display / non-display

  • 2010.04
    -
    2012.04
    Tokyo Medical and Dental University, Graduate School of Health Care Sciences, Biomedical Laboratory Sciences, Moleculo-genetic Sciences, Microbiology and Immunology, Assistant Professor
  • 2012.05
    -
    2018.03
    Tokyo Medical and Dental University, Graduate School of Health Care Sciences, Biomedical Laboratory Sciences, Moleculo-genetic Sciences, Microbiology and Immunology, Associate Professor
  • 2018.04
    -
    2020.07
    Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Biomedical Sciences and Engineering, Division of Biomedical Laboratory Sciences, Department of Molecular Microbiology, Associate Professor
  • 2020.06
    -
    2020.07
    Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Biomedical Sciences and Engineering, Division of Biomedical Laboratory Sciences, Department of Molecular Microbiology, Associate Professor
  • 2020.08
    -
    Now
    Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Biomedical Sciences and Engineering, Division of Biomedical Laboratory Sciences, Department of Molecular Microbiology, Professor

External Career 【 display / non-display

  • 1997.04
    -
    2009.06
    University of Tokyo Hospital, Department of Clinical Laboratory, Infection Control and Prevention , Medical Technologist
  • 2009.07
    -
    2010.03
    National Institute of Infectious Diseases , Department of Bacteriology II, Researcher
  • 2010.04
    -
    2013.03
    National Institute of Infectious Diseases , Department of Bacteriology Ⅱ, Visiting Researcher
  • 2015.11
    -
    2017.03
    Oregon State University, College of Veterinary Medicine, Courtesy Associate Professor
  • 2018.05
    -
    Now
    National Institute of Infectious Diseases , Department of Bacteriology I, Visiting Researcher

Academic Society Affiliations 【 display / non-display

  • Japanese Association for Infectious diseases

  • Japanese Society for Clinical Microbiology

  • Japanese Society of Environmental Infections

  • The American Society for Microbiology

  • Japanese Society of Laboratory Medicine

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Academic Activity 【 display / non-display

  • 2020.04
    -
    Now
    Japanese Society for Clinical Microbiology Councilor
  • 2019.04
    -
    Now
    Japanese association of medical technology education Director, Editor-in-chief
  • 2019.04
    -
    Now
    Japanese Association for Anaerobic Infection Research Manager
  • 2012.01
    -
    Now
    Japanese Society for Clinical Microbiology Councilor
  • 2018.01
    -
    Now
    Japanese Society for Clinical Microbiology Councilor

Research Areas 【 display / non-display

  • Bacteriology (including mycology)

  • Infectious disease medicine

Qualification Acquired 【 display / non-display

  • Infection Control Doctor

  • Japanese Board of Infection Control Microbiological Technologist

  • Japanese Board of Microbiological Technologist

  • Medical Technologist

 

Research Theme 【 display / non-display

  • Antimicrobial Resistance, Regulation of Pathogenesis and Molecular epidemiology in Bacteria

Published Papers & Misc 【 display / non-display

  • Isaac Prah, Alafate Ayibieke, Samiratu Mahazu, Chihiro Tani Sassa, Takaya Hayashi, Shoji Yamaoka, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito. Emergence of oxacillinase-181 carbapenemase-producing diarrheagenic Escherichia coli in Ghana Emerg Microbes Infect. 2021.12; 10 (1): 865-873. ( PubMed, DOI )

  • Hideyuki Takahashi, Masaki Nakamura, Yuko Matsumoto, Shuji Yoshino, Tetsuya Kakita, Ken Shimuta, Hajime Kamiya, Ryoichi Saito, Makoto Ohnishi. Development of a simple and cost-effective gel-based duplex PCR method to identify both encapsulated and unencapsulated Neisseria meningitidis applicable under resource-limited conditions. J Infect Chemother. 2021.05; 27 (5): 773-777. ( PubMed, DOI )

  • Isaac Prah, Alafate Ayibieke, Thi Thu Huong Nguyen, Atsushi Iguchi, Samiratu Mahazu, Wakana Sato, Takaya Hayashi, Shoji Yamaoka, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito. Virulence Profiles of Diarrheagenic Escherichia coli Isolated from the Western Region of Ghana. Jpn J Infect Dis. 2021.03; 74 (2): 115-121. ( PubMed, DOI )

  • Ayuka Kobayashi, Jun Nakajima, Takeshi Otsuka, Masami Iigusa, Yuichiro Sakai, Akira Sata, Takeya Ohshiro, Koji Kikuchi, Shun Kikuchi, Yuko Matsumoto, Seina Miyahara, Masato Miyahira, Hajime Kamiya, Hideyuki Takahashi, Shuji Tohda, Ryoichi Saito. Assessment of different storage conditions for Neisseria meningitidis survival The Journal of the Japanese Society for Clinical Microbiology. 2021.01;

  • Alafate Ayibieke, Ayumi Kobayashi, Masato Suzuki, Wakana Sato, Samiratu Mahazu, Isaac Prah, Miyuki Mizoguchi, Kyoji Moriya, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito. Prevalence and characterization of carbapenem-hydrolyzing class D β-lactamase-producing Acinetobacter isolates from Ghana. Front Microbiol. 2020.11; 11 587398. ( PubMed, DOI )

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Conference Activities & Talks 【 display / non-display

  • Ryoichi Saito, Hajime Kamiya, Shuji Toda, Hideyuki Takahashi. Antimicrobial susceptibility of Neisseria meningitidis strains isolated from meningitis cases. The 95th Annual Meeting of the Japanese association for infectious diseases 2021.05.07 Tokyo, Japan

  • Alafate Ayibieke, Kayo Yamada, Kageto Yamada, Shinji Ogihara, Yoshibumi Aiso, Yoshiro Hadano, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito. Molecular characterization of S. epidermidis bloodstream isolates from two hospitals in Tokyo. The 32th Annual Meeting of Japanese Society for Clinical Microbiology 2021.01.29

  • Isaac Prah, Alafate Ayibieke, Samiratu Mahazu, Chihiro Tani Sassa, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Shoji Yamaoka, Anthony Ablordey, Ryoichi Saito. Whole-genome characterization of OXA-181 carbapenemase producing Escherichia coli from diarrheic patients in Ghana. The 32th Annual Meeting of Japanese Society for Clinical Microbiology 2021.01.29

  • Yoko Nukui, Ryoichi Saito, Tetushi Aiso, Kento Inoue, Yoshiro Hadano, Shuji Toda, Ryuji Koike. Case report caused by an NDM-5- and OXA-1-co-producing Klebsiella oxytoca isolate from Japan. The 94th Annual Meeting of the Japanese association for infectious diseases 2020.08.19 Tokyo, Japan

  • Yuta Okada, Shu Okugawa, Mahoko Ikeda, Tatsuya Kobayashi, Ryoichi Saito, Yoshimi Higurashi, Kyoji Moriya.. Genetic diversity and Epidemiology of Accessory Gene Regulator Loci in the Clinical Isolates of Clostridioides difficile. ASM Microbe 2020 2020.06.18 Chicago, IL, USA

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Awards & Honors 【 display / non-display

  • Eimi Hasegawa, The Biomedical Research Award (Master's Program),Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University,2021.03

  • Wakana Sato, The Biomedical Research Award (Master's Program),Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University,2020.03

  • Medical Research Award 2015,Tokyo Medical and Dental University,2016.01

  • TMDU Award for Excellence in Teaching,Tokyo Medical and Dental University,2014.10