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Saito Ryoichi  齋藤 良一

… Alternative Names

SAITO Ryoichi  齋藤 良一

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Researcher Number 00581969
Other IDs
  • ORCIDhttps://orcid.org/0000-0003-3398-8572
Affiliation (Current) 2025: 東京科学大学, 大学院医歯学総合研究科, 教授
Affiliation (based on the past Project Information) *help 2020 – 2024: 東京医科歯科大学, 大学院医歯学総合研究科, 教授
2018 – 2019: 東京医科歯科大学, 大学院医歯学総合研究科, 准教授
2017: 東京医科歯科大学, 大学院保健衛生学研究科, 准教授
2014 – 2015: 東京医科歯科大学, 大学院保健衛生学研究科, 准教授
2012: 東京医科歯科大学, 大学院・保健衛生学研究科, 准教授
2012: 東京医科歯科大学, 大学院保健衛生学研究科, 准教授
2011: 東京医科歯科大学, 大学院保健衛生学研究科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 58020:Hygiene and public health-related: including laboratory approach / Basic Section 54030:Infectious disease medicine-related / Bacteriology (including mycology) / Laboratory medicine
Except Principal Investigator
Basic Section 63040:Environmental impact assessment-related / Lifelong developmental nursing
Keywords
Principal Investigator
増殖 / 薬剤耐性 / 環境整備 / 医療関連感染 / メタゲノム解析 / 環境微生物叢 / 第三世代セファロスポリン系薬 / penA遺伝子 / ペニシリン系薬耐性化 / 薬剤耐性菌 … More / フルオロキノロン系薬耐性 / ペニシリン系薬耐性 / DNA chromatography / multiplex PCR / 迅速化 / 血清群 / Sequence type / 血清群別 / ペニシリン結合タンパク質 / 薬剤感受性 / ペニシリン系抗菌薬 / 侵襲性髄膜炎菌感染症 / 髄膜炎菌 / トランスクリプトーム / トキシン / 細胞毒性試験 / トランスクリプトーム解析 / 緊縮応答 / 環境適応 / ラクトバシラス属 / 毒素 / 芽胞 / デオキシコール酸 / クロストリジウム・ディフィシル / 病原因子 / 膜疎水性 / 細胞付着性 / 細胞形態 / OMPCD / Moraxella catarrhalis / 外膜蛋白質 / モラクセラ・カタラーリス … More
Except Principal Investigator
メタゲノム解析 / GES型カルバペネマーゼ / 病院排水 / LC-MS/MS / メタトランスクリプトーム / メタゲノム / 薬剤耐性 / 食品衛生 / 大腸菌 / 安全性 / 冷蔵保存 / 安全 / 食品 / 培養 / 細菌 / 保存 / 冷蔵 / 母乳 Less
  • Research Projects

    (6 results)
  • Research Products

    (126 results)
  • Co-Researchers

    (14 People)
  •  Antimicrobial resistance dynamics using ultra-high precision metagenomics in medical facility environments and construction of environmental improvement measuresPrincipal Investigator

    • Principal Investigator
      齋藤 良一
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 58020:Hygiene and public health-related: including laboratory approach
    • Research Institution
      Tokyo Medical and Dental University
  •  Comprehensive evaluation of the distribution and characteristics of antimicrobial resistance in hospital wastewater using metagenomic data

    • Principal Investigator
      太田 悠介
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63040:Environmental impact assessment-related
    • Research Institution
      Tokyo Medical and Dental University
  •  Antimicrobial susceptibility and penicillin resistance mechanism in the Japanese clinical isolates of Neisseria meningitidisPrincipal Investigator

    • Principal Investigator
      SAITO Ryoichi
    • Project Period (FY)
      2020 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 54030:Infectious disease medicine-related
    • Research Institution
      Tokyo Medical and Dental University
  •  Environmental adaptation mechanisms of Clostridium difficile (CD)Principal Investigator

    • Principal Investigator
      SAITO Ryoichi
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Bacteriology (including mycology)
    • Research Institution
      Tokyo Medical and Dental University
  •  About safety as the food of the refrigerated and preserved Human milk

    • Principal Investigator
      Misumi Junko
    • Project Period (FY)
      2014 – 2015
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Lifelong developmental nursing
    • Research Institution
      Tokyo Medical and Dental University
  •  Role of Moraxella catarrhalis outer membrane protein in antibiotic resistance and pathogenesisPrincipal Investigator

    • Principal Investigator
      SAITO Ryoichi
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Laboratory medicine
    • Research Institution
      Tokyo Medical and Dental University

All 2023 2022 2021 2020 2019 2018 2017 2016 2015 2013 2012 2011 Other

All Journal Article Presentation Other

  • [Journal Article] Novel insights into genetic characteristics of blaGES-encoding plasmids from hospital sewage2023

    • Author(s)
      Ota Y, Prah I, Mahazu S, Gu Y, Nukui Y, Koike R, Saito R.
    • Journal Title

      Front Microbiol

      Volume: 14 Pages: 1209195-1209195

    • DOI

      10.3389/fmicb.2023.1209195

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23K09603, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-23K28241
  • [Journal Article] Emergence of ciprofloxacin- and penicillin-resistant Neisseria meningitidis isolates in Japan between 2003 and 2020 and its genetic features2023

    • Author(s)
      Takahashi Hideyuki、Morita Masatomo、Kamiya Hajime、Fukusumi Munehisa、Yasuda Mitsuru、Sunagawa Masatomi、Nakamura-Miwa Haruna、Ohama Yuki、Shimuta Ken、Ohnishi Makoto、Saito Ryoichi、Akeda Yukihiro
    • Journal Title

      Antimicrobial Agents and Chemotherapy

      Volume: 67 Issue: 11

    • DOI

      10.1128/aac.00744-23

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22K09533, KAKENHI-PROJECT-20K08818
  • [Journal Article] Types A and F Clostridium perfringens in healthcare wastewater from Ghana2023

    • Author(s)
      Kawamura Taira、Prah Isaac、Mahazu Samiratu、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Applied and Environmental Microbiology

      Volume: 89 Issue: 12

    • DOI

      10.1128/aem.01619-23

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] A mismatch amplification mutation assay for specific detection of ciprofloxacin-resistant Neisseria meningitidis2023

    • Author(s)
      Ota Yusuke、Okada Reina、Takahashi Hideyuki、Saito Ryoichi
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: 29 Issue: 5 Pages: 562-564

    • DOI

      10.1016/j.jiac.2023.02.004

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Insights and genetic features of extended-spectrum beta-lactamase producing Escherichia coli isolates from two hospitals in Ghana2022

    • Author(s)
      Mahazu Samiratu、Sato Wakana、Ayibieke Alafate、Prah Isaac、Hayashi Takaya、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Scientific Reports

      Volume: 12 Issue: 1 Pages: 1843-1844

    • DOI

      10.1038/s41598-022-05869-6

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K22527, KAKENHI-PROJECT-19KK0217, KAKENHI-PROJECT-19H03467, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-20H03477
  • [Journal Article] Klebsiella Species and Enterobacter cloacae Isolates Harboring <i>bla</i> <sub>OXA-181</sub> and <i>bla</i> <sub>OXA-48</sub> : Resistome, Fitness Cost, and Plasmid Stability2022

    • Author(s)
      Mahazu Samiratu、Prah Isaac、Ota Yusuke、Hayashi Takaya、Nukui Yoko、Suzuki Masato、Hoshino Yoshihiko、Akeda Yukihiro、Suzuki Toshihiko、Ishino Tomoko、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Microbiology Spectrum

      Volume: 10 Issue: 6

    • DOI

      10.1128/spectrum.03320-22

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-20K07509, KAKENHI-PROJECT-23K24127, KAKENHI-PROJECT-23K09603, KAKENHI-PROJECT-19K10554
  • [Journal Article] Complete Genome Sequence of an Enterobacter roggenkampii Strain with Reduced Carbapenem Susceptibility Isolated from a Home-Visit Nursing Agency2022

    • Author(s)
      Ota Yusuke、Sassa Chihiro Tani、Kashiwagi Masayo、Okawara Chikako、Tohda Shuji、Saito Ryoichi
    • Journal Title

      Microbiology Resource Announcements

      Volume: 11 Issue: 9

    • DOI

      10.1128/mra.00353-22

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-23K20342
  • [Journal Article] <i>bla</i> <sub>KPC-2</sub> -Encoding IncP-6 Plasmids in Citrobacter freundii and Klebsiella variicola Strains from Hospital Sewage in Japan2022

    • Author(s)
      Ota Yusuke、Prah Isaac、Nukui Yoko、Koike Ryuji、Saito Ryoichi
    • Journal Title

      Applied and Environmental Microbiology

      Volume: 88 Issue: 8

    • DOI

      10.1128/aem.00019-22

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-19K10554
  • [Journal Article] Molecular detection of fluoroquinolone-resistant Neisseria meningitidis by using mismatched PCR-restriction fragment length polymorphism technique2022

    • Author(s)
      Ota Yusuke、Okada Reina、Takahashi Hideyuki、Saito Ryoichi
    • Journal Title

      Frontiers in Cellular and Infection Microbiology

      Volume: 12 Pages: 911911-911911

    • DOI

      10.3389/fcimb.2022.911911

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Penicillin- and Ciprofloxacin-Resistant Invasive Neisseria meningitidis Isolates from Japan2022

    • Author(s)
      Saito Ryoichi、Nakajima Jun、Prah Isaac、Morita Masatomo、Mahazu Samiratu、Ota Yusuke、Kobayashi Ayuka、Tohda Shuji、Kamiya Hajime、Takahashi Hideyuki、Ohnishi Makoto
    • Journal Title

      Microbiology Spectrum

      Volume: 10 Issue: 3

    • DOI

      10.1128/spectrum.00627-22

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Emergence of a High-Risk Klebsiella michiganensis Clone Disseminating Carbapenemase Genes2022

    • Author(s)
      Prah Isaac、Nukui Yoko、Yamaoka Shoji、Saito Ryoichi
    • Journal Title

      Frontiers in Microbiology

      Volume: 13 Pages: 880248-880248

    • DOI

      10.3389/fmicb.2022.880248

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-19K10554
  • [Journal Article] Emergence of oxacillinase-181 carbapenemase-producing diarrheagenic <i>Escherichia coli</i> in Ghana2021

    • Author(s)
      Prah Isaac、Ayibieke Alafate、Mahazu Samiratu、Sassa Chihiro Tani、Hayashi Takaya、Yamaoka Shoji、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Emerging Microbes & Infections

      Volume: 10 Issue: 1 Pages: 865-873

    • DOI

      10.1080/22221751.2021.1920342

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K22527, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-20H03477
  • [Journal Article] Possible Dissemination of Escherichia coli Sequence Type 410 Closely Related to B4/H24RxC in Ghana2021

    • Author(s)
      Mahazu Samiratu、Prah Isaac、Ayibieke Alafate、Sato Wakana、Hayashi Takaya、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Frontiers in Microbiology

      Volume: 12 Pages: 1-2

    • DOI

      10.3389/fmicb.2021.770130

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K22527, KAKENHI-PROJECT-19KK0217, KAKENHI-PROJECT-19H03467, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-20H03477
  • [Journal Article] Evaluation of polymerase chain reaction-based open reading frame typing method for the clonality investigation of Clostridioides difficile isolates2021

    • Author(s)
      Ota Yusuke、Hongou Natsune、Nukui Yoko、Koike Ryuji、Tohda Shuji、Saito Ryoichi
    • Journal Title

      Anaerobe

      Volume: 72 Pages: 102462-102462

    • DOI

      10.1016/j.anaerobe.2021.102462

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Development of a simple and cost-effective gel-based duplex PCR method to identify both encapsulated and unencapsulated Neisseria meningitidis applicable under resource-limited conditions2021

    • Author(s)
      Takahashi Hideyuki、Nakamura Masaki、Matsumoto Yuko、Yoshino Shuji、Kakita Tetsuya、Shimuta Ken、Kamiya Hajime、Saito Ryoichi、Ohnishi Makoto
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: 27 Issue: 5 Pages: 773-777

    • DOI

      10.1016/j.jiac.2021.01.013

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Virulence Profiles of Diarrheagenic <i>Escherichia coli</i> Isolated from the Western Region of Ghana2021

    • Author(s)
      Prah Isaac、Ayibieke Alafate、Nguyen Thi Thu Huong、Iguchi Atsushi、Mahazu Samiratu、Sato Wakana、Hayashi Takaya、Yamaoka Shoji、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Jpn J Infect Dis

      Volume: 74 Issue: 2 Pages: 115-121

    • DOI

      10.7883/yoken.JJID.2020.356

    • NAID

      130008002375

    • ISSN
      1344-6304, 1884-2836
    • Year and Date
      2021-03-31
    • Language
      English
    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-19K22527, KAKENHI-PROJECT-19KK0217, KAKENHI-PROJECT-19H03467, KAKENHI-PROJECT-20H03477
  • [Journal Article] 市販輸送培地におけるNeisseria meningitidis生菌数の経時的変動2021

    • Author(s)
      小林亜由香, 中島 淳, 大塚 武, 飯草正実, 酒井雄一郎, 佐多 章, 大城健哉, 菊地孝司, 菊池 俊, 松本裕子, 宮原聖奈, 宮平勝人, 神谷 元, 高橋英之, 東田修二, 齋藤良一
    • Journal Title

      日本臨床微生物学会雑誌

      Volume: 31 Pages: 108-112

    • NAID

      40022540737

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] A nosocomial cluster of Roseomonas mucosa bacteremia possibly linked to contaminated hospital environment2020

    • Author(s)
      Okamoto Koh、Ayibieke Alafate、Saito Ryoichi、Ogura Kenichi、Magara Yuki、Ueda Reiko、Ogawa Hina、Hatakeyama Shuji
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: In press Issue: 8 Pages: 802-806

    • DOI

      10.1016/j.jiac.2020.03.007

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-16K09254, KAKENHI-PROJECT-20K08818
  • [Journal Article] Prevalence and Characterization of Carbapenem-Hydrolyzing Class D β-Lactamase-Producing Acinetobacter Isolates From Ghana2020

    • Author(s)
      Ayibieke Alafate、Kobayashi Ayumi、Suzuki Masato、Sato Wakana、Mahazu Samiratu、Prah Isaac、Mizoguchi Miyuki、Moriya Kyoji、Hayashi Takaya、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      Frontiers in Microbiology

      Volume: 11 Pages: 587398-587398

    • DOI

      10.3389/fmicb.2020.587398

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K07509, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-19K22527, KAKENHI-PROJECT-19KK0217, KAKENHI-PROJECT-19H03467, KAKENHI-PROJECT-20H03477
  • [Journal Article] Genetic diversity and epidemiology of accessory gene regulator loci in Clostridioides difficile2020

    • Author(s)
      Yuta Okada, Shu Okugawa, Mahoko Ikeda, Tatsuya Kobayashi, Ryoichi Saito, Yoshimi Higurashi, Kyoji Moriya
    • Journal Title

      Access Microbiology

      Volume: (2)7 Issue: 7

    • DOI

      10.1099/acmi.0.000134

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K08949, KAKENHI-PROJECT-20K08818
  • [Journal Article] Direct antibiotic susceptibility testing of blood cultures of gram-negative bacilli using the Drug Susceptibility Testing Microfluidic (DSTM) device2020

    • Author(s)
      Mizoguchi Miyuki、Matsumoto Yoshimi、Saito Ryoichi、Sato Tomoaki、Moriya Kyoji
    • Journal Title

      Journal of Infection and Chemotherapy

      Volume: 26 Issue: 6 Pages: 554-562

    • DOI

      10.1016/j.jiac.2020.01.014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Journal Article] Molecular epidemiologic and clinical analysis of Helicobacter cinaedi bacteremia in Japan2019

    • Author(s)
      Nukui Yoko, Chino Takashi, Tani Chihiro, Sonobe Kazunari, Aiso Yoshibumi, Tohda Shuji, Koike Ryuji, Saito Ryoichi
    • Journal Title

      Helicobacter

      Volume: 25 Issue: 1 Pages: 23-27

    • DOI

      10.1111/hel.12675

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K10554, KAKENHI-PROJECT-17K08822
  • [Journal Article] Infective endocarditis caused by Cardiobacterium valvarum2019

    • Author(s)
      Washio Yohei、Sakamoto Shun-ichiro、Saito Ryoichi、Nei Takahito、Morishima Masayo、Shinoyama Akihiro、Tashiro Ayaka、Sugimoto Ryoji
    • Journal Title

      Access Microbiology

      Volume: 1 Issue: 8

    • DOI

      10.1099/acmi.0.000040

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Gene Composition as a Potential Barrier to Large Recombinations in the Bacterial Pathogen Klebsiella pneumoniae2019

    • Author(s)
      Comandatore Francesco、Sassera Davide、Bayliss Sion C、Scaltriti Erika、Gaiarsa Stefano、Cao Xiaoli、Gales Ana C、Saito Ryoichi、Pongolini Stefano、Brisse Sylvain、Feil Edward J、Bandi Claudio
    • Journal Title

      Genome Biology and Evolution

      Volume: 11 Issue: 11 Pages: 3240-3251

    • DOI

      10.1093/gbe/evz236

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Long-term observation of antimicrobial susceptibility and molecular characterisation of Campylobacter jejuni isolated in a Japanese general hospital 2000?20172019

    • Author(s)
      Yamada Kageto、Saito Ryoichi、Muto Saori、Sasaki Masakazu、Murakami Hinako、Aoki Kotaro、Ishii Yoshikazu、Tateda Kazuhiro
    • Journal Title

      Journal of Global Antimicrobial Resistance

      Volume: 18 Pages: 59-63

    • DOI

      10.1016/j.jgar.2019.02.001

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Whole-genome analysis of EC129, an NDM-5-, CTX-M-14-, OXA-10- and MCR-1-co-producing Escherichia coli ST167 strain isolated from Japan2019

    • Author(s)
      Nukui Yoko, Ayibieke Alafate, Taniguchi Makoto, Aiso Yoshibumi, Shibuya Yuka, Sonobe Kazunari, Nakajima Jun. Kanehira Saki, Hadano Yoshiro, Tohda Shuji, Koike Ryuji, Saito Ryoichi
    • Journal Title

      Journal of Global Antimicrobial Resistance

      Volume: 18 Pages: 148-150

    • DOI

      10.1016/j.jgar.2019.07.001

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K10554, KAKENHI-PROJECT-17K08822
  • [Journal Article] Hypervirulent clade 2, ribotype 019/sequence type 67 Clostridioides difficile strain from Japan2019

    • Author(s)
      Saito Ryoichi, Usui Yukino, Ayibieke Alafate, Nakajima Jun, Prah Isaac, Sonobe Kazunari, Aiso Yoshibumi, Ito Shiori, Itsui Yasuhiro, Hadano Yoshiro, Nukui Yoko, Koike Ryuji, Tohda Shuji
    • Journal Title

      Gut Pathogens

      Volume: 11 Issue: 1 Pages: 54-61

    • DOI

      10.1186/s13099-019-0336-3

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K10554, KAKENHI-PROJECT-17K08822
  • [Journal Article] RelA/DTD-mediated regulation of spore formation and toxin production by Clostridium perfringens type A strain SM1012018

    • Author(s)
      Saito Ryoichi、Talukdar Prabhat K.、Alanazi Saud S.、Sarker Mahfuzur R.
    • Journal Title

      Microbiology

      Volume: 164 Issue: 5 Pages: 835-847

    • DOI

      10.1099/mic.0.000655

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Molecular characterisation of the NDM-1-encoding plasmid p2189-NDM in an Escherichia coli ST410 clinical isolate from Ghana2018

    • Author(s)
      Ayibieke Alafate、Sato Wakana、Mahazu Samiratu、Prah Isaac、Addow-Thompson John、Ohashi Mitsuko、Suzuki Toshihiko、Iwanaga Shiroh、Ablordey Anthony、Saito Ryoichi
    • Journal Title

      PLOS ONE

      Volume: 13 Issue: 12 Pages: 0209623-0209623

    • DOI

      10.1371/journal.pone.0209623

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822, KAKENHI-PROJECT-17H04071, KAKENHI-PROJECT-16K15264
  • [Journal Article] Clinical and microbiological characteristics and occurrence of <em>Klebsiella pneumoniae</em> infection in Japan2018

    • Author(s)
      Ikeda Mahoko、Mizoguchi Miyuki、Oshida Yukie、Tatsuno Keita、Saito Ryoichi、Okazaki Mitsuhiro、Okugawa Shu、Moriya Kyoji
    • Journal Title

      International Journal of General Medicine

      Volume: Volume 11 Pages: 293-299

    • DOI

      10.2147/ijgm.s166940

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K08822, KAKENHI-PROJECT-17K09023
  • [Journal Article] The inhibitory effects of essential oil constituents against germination, outgrowth and vegetative growth of spores of Clostridium perfringens type A in laboratory medium and chicken meat2018

    • Author(s)
      Alanazi Saud、Alnoman Maryam、Banawas Saeed、Saito Ryoichi、Sarker Mahfuzur R.
    • Journal Title

      Food Microbiology

      Volume: 73 Pages: 311-318

    • DOI

      10.1016/j.fm.2018.02.003

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Novel mechanism responsible for high-level macrolide resistance in <em>Moraxella catarrhalis</em>2018

    • Author(s)
      Kasai Ayako、Ohta Ayaka、Maeda Yuina、Yamada Kageto、Tao Kazuyuki、Saito Ryoichi
    • Journal Title

      Infection and Drug Resistance

      Volume: Volume 11 Pages: 2137-2140

    • DOI

      10.2147/idr.s181714

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Antimicrobial susceptibility to β-lactam antibiotics and production of BRO β-lactamase in clinical isolates of Moraxella catarrhalis from a Japanese hospital2017

    • Author(s)
      Yamada Kageto、Arai Katsumi、Saito Ryoichi
    • Journal Title

      Journal of Microbiology, Immunology and Infection

      Volume: 50 Issue: 3 Pages: 386-389

    • DOI

      10.1016/j.jmii.2016.08.003

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Molecular Characterization of Fluoroquinolone-Resistant Moraxella catarrhalis Variants Generated In Vitro by Stepwise Selection2017

    • Author(s)
      Yamada Kageto、Saito Ryoichi、Muto Saori、Kashiwa Machiko、Tamamori Yoshiko、Fujisaki Shingo
    • Journal Title

      Antimicrobial Agents and Chemotherapy

      Volume: 61 Issue: 10

    • DOI

      10.1128/aac.01336-17

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K08822, KAKENHI-PROJECT-17H00646
  • [Journal Article] 表現型からみるcarbapenemase-producing Enterobacteriaceaeの網羅的スクリーニング法2017

    • Author(s)
      山田景土、長野則之、齋藤良一
    • Journal Title

      日本臨床微生物学雑誌

      Volume: 27 Pages: 267-274

    • NAID

      40021347014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Journal Article] Evaluation of the modified carbapenem inactivation method and sodium mercaptoacetate-combination method for the detection of metallo-b-lactamase production by carbapenemase-producing Enterobacteriaceae.2016

    • Author(s)
      Yamada K, Kashiwa M, Arai K, Nagano N, Saito R.
    • Journal Title

      Journal of Microbiological Methods

      Volume: 132 Pages: 112-115

    • DOI

      10.1016/j.mimet.2016.11.013

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K09566, KAKENHI-PROJECT-17K08822
  • [Journal Article] 家庭用冷蔵庫保存における冷蔵母乳の安全性2015

    • Author(s)
      楯亜希子,齋藤良一,三隅順子,大久保功子
    • Journal Title

      小児保健研究

      Volume: 74 Pages: 871-877

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26670974
  • [Journal Article] Role of Moraxella catarrhalis outer membrane protein CD in bacterial cell morphology and autoaggregation2013

    • Author(s)
      Ryoichi Saito
    • Journal Title

      Research in Microbiology

      Volume: 164 Issue: 3 Pages: 236-243

    • DOI

      10.1016/j.resmic.2012.12.005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23790616
  • [Presentation] 海外渡航・治療歴のある患者から入院時スクリーニングで分離された薬剤耐性グラム陰性桿菌の分子疫学解析2023

    • Author(s)
      貫井陽子、山本千恵、古川恵太郎、稲葉 亨、園部一成、東田修二、 太田悠介、齋藤良一
    • Organizer
      第70回日本臨床検査医学会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 世界的流行系統のメチシリン耐性S. epidermidisにおける薬剤耐性および病原性の解析2023

    • Author(s)
      山田華代,Alafate Ayibieke,Samiratu Mahazu,Isaac Prah,山田景土,荻原真二,太田悠介,貫井陽子,東田修二,齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 迅速簡便なNeisseria meningitidisの同定および血清群別測定系の開発2023

    • Author(s)
      松葉美帆、太田悠介、齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] MiniSeqシステムによる16S rRNA V4領域を標的とした菌叢解析の有用性評価2023

    • Author(s)
      安永慶、太田悠介、齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 水環境における薬剤耐性の現状と求められる対策2023

    • Author(s)
      太田悠介、齋藤良一
    • Organizer
      第35回日本臨床微生物学会総会・学術集会
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K28241
  • [Presentation] Genetic analysis of carbapenemase-producing Enterobacter cloacae and Klebsiella species2023

    • Author(s)
      Samiratu Mahazu, Isaac Prah, Yusuke Ota, Takaya Hayashi, Yoko Nukui, Masato Suzuki, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Tomoko Ishino, Anthony Ablordey, Ryoichi Saito
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 血液培養陽性時のグラム染色による推定菌種報告が初期抗菌薬選択の一助となったLacticaseibacillus paracaseiによる感染性心内膜炎の1例2023

    • Author(s)
      園屋陽平、福田修、太田悠介、齋藤良一、金子幸弘
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Molecular characterization of blaGES-encoding plasmids from hospital sewage in Japan.2023

    • Author(s)
      Yusuke Ota, Isaac Prah, Samiratu Mahazu, Yoshiaki Gu, Ryuji Koike, Ryoichi Saito.
    • Organizer
      33rd European Congress of Clinical Microbiology and Infectious Diseases
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K28241
  • [Presentation] Molecular characterization of carbapenem resistant isolates from hospital sewage samples in Ghana2023

    • Author(s)
      Isaac Prah, Ayaha Suzuki, Samiratu Mahazu, Yusuke Ota, Anthony Ablordy, Ryoichi Saito
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Genetic Analysis of Antimicrobial Resistant Enterobacteriaceae in Travelers and Patients Who Were Treated Overseas2023

    • Author(s)
      Y Nukui, C Yamamoto, T Inaba, Y Aiso, J Nakajima, S Kanehira, K Sonobe, S Tohda, Y Ota, and R Saito
    • Organizer
      AMS Microbe 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 肺炎球菌感染における糖鎖結合タンパクの機能解析2023

    • Author(s)
      古屋瑠菜、小川道永、齋藤良一、明田幸宏
    • Organizer
      第96回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Clostridioides difficileのバンコマイシン感受性と増殖能に対するc-di-AMP加水分解酵素の役割2023

    • Author(s)
      河村 平、鮫島朱里、臼井雪乃、Isaac Prah, Samiratu Mahazu,太田悠介、齋藤良一
    • Organizer
      第52回日本嫌気性菌感染症学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 16S rRNAアンプリコン解析におけるショート及びロングリード解析パイプラインの比較評価2023

    • Author(s)
      太田悠介、齋藤良一
    • Organizer
      第70回日本臨床検査医学会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Neisseria meningitidisのciprofloxacin耐性化に関わる分子機構2023

    • Author(s)
      南菜々子、太田悠介、齋藤良一
    • Organizer
      第70回日本臨床検査医学会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Loss of GdpP function leads to reduced vancomycin susceptibility in Clostridioides difficile2023

    • Author(s)
      Taira Kawamura, Akari Samejima, Yukino Usui, Isaac Prah, Samiratu Mahazu, Yusuke Ota, Ryoichi Saito
    • Organizer
      The 33rd European Congress of Clinical Microbiology & Infectious Diseases
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 病院排水から分離されたGES型及びIMP型カルバペネマーゼ産生菌の全ゲノム解析2023

    • Author(s)
      陳 菲、太田 悠介、具 芳明、小池 竜司、齋藤 良一
    • Organizer
      第17回日本臨床検査学教育学会学術大会
    • Data Source
      KAKENHI-PROJECT-23K28241
  • [Presentation] Chromosomal mcr-3-related lipid A phosphoethanolamine transferases conferring colistin resistance in Aeromonas species from river water samples2023

    • Author(s)
      Samiratu Mahazu, Isaac Prah, Yusuke Ota, Takaya Hayashi, Masato Suzuki, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Tomoko Ishino, Anthony Ablordey, Ryoichi Saito
    • Organizer
      The 33rd European Congress of Clinical Microbiology & Infectious Diseases
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 16S rRNAアンプリコン解析におけるショート及びロングリード解析パイプラインの比較評価2023

    • Author(s)
      太田悠介、齋藤良一
    • Organizer
      第70回日本臨床検査医学会学術集会
    • Data Source
      KAKENHI-PROJECT-23K28241
  • [Presentation] Clostridioides difficileのバンコマイシン耐性化機序に関する研究2023

    • Author(s)
      河村 平、鮫島朱里、臼井雪乃、Isaac Prah, Samiratu Mahazu,太田悠介、齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Clostridioides difficileのバンコマイシン耐性化機序に関する研究2023

    • Author(s)
      河村 平、鮫島朱里、臼井雪乃、Isaac Prah, Samiratu Mahazu,太田悠介、齋藤良一.
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Molecular characterization of blaGES-encoding plasmids from hospital sewage in Japan2023

    • Author(s)
      Yusuke Ota, Isaac Prah, Samiratu Mahazu, Yoshiaki Gu, Ryuji Koike, Ryoichi Saito
    • Organizer
      The 33rd European Congress of Clinical Microbiology & Infectious Diseases
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Development of a rapid and simple assay for identification and serotyping of Neisseria meningitidis2023

    • Author(s)
      Miho Matsuba, Yusuke Ota, Samiratu Mahazu, Isaac Prah, Hideyuki Takahashi, Ryoichi Saito
    • Organizer
      The 33rd European Congress of Clinical Microbiology & Infectious Diseases
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 病院排水から分離されたGES型及びIMP型カルバペネマーゼ産生菌の全ゲノム解析2023

    • Author(s)
      陳 菲、太田 悠介、具 芳明、小池 竜司、齋藤 良一
    • Organizer
      第17回日本臨床検査学教育学会学術大会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] ガーナの医療排水由来カルバペネマーゼ産生菌の細菌学的及び遺伝的特性解析2023

    • Author(s)
      鈴木彩葉、Issac Prah、Samiratu Mahazu、太田悠介、齋藤良一
    • Organizer
      第70回日本臨床検査医学会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 訪問看護事業所の流し台より分離されたイミペネム低感受性Enterobacter roggenkampiiの全ゲノム解析2023

    • Author(s)
      太田悠介、佐々(谷)千尋、東田修二、齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Genomic and population insight of ESBL-producing Klebsiella pneumoniae from Ghana2023

    • Author(s)
      Yikeshan Yalikun, Isaac Prah, Samiratu Mahazu, Yusuke Ota, Ryoichi Saito
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 病院排水より分離されたGES型カルバペネマーゼ産生菌のゲノム解析2023

    • Author(s)
      太田悠介、具芳明、小池竜司、齋藤良一
    • Organizer
      第97回日本感染症学会総会・学術講演会
    • Data Source
      KAKENHI-PROJECT-23K28241
  • [Presentation] 渡航歴無し入院患者由来NDM-5型カルバペネマーゼCitrobacter koseriのゲノム疫学解析2023

    • Author(s)
      酒井幸音、Isaac Prah、太田悠介、Samiratu Mahazu、具 芳明、東田修二、齋藤良一
    • Organizer
      第17回日本臨床検査学教育学会学術大会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] ミスマッチPCR法を用いたNeisseria meningitidisのciprofloxacin耐性に関わるgyrA変異検出法の構築2023

    • Author(s)
      太田悠介、齋藤良一
    • Organizer
      第34回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Role of cyclic-di-AMP phosphodiesterase on vancomycin susceptibility and growth in Clostridioides difficile2022

    • Author(s)
      Taira Kawamura, Akari Samejima, Yukino Usui, Issac Prah, Samiratu Mahazu, Yusuke Ota, Ryoichi Saito
    • Organizer
      The 17th Congress of Asian Society for Clinical Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Rapid and simple PCR-RFLP assay for detecting a mutation at codon 91 of gyrA in Neisseria meningitidis2022

    • Author(s)
      Yusuke Ota, Reina Okada, Hideyuki Takahashi, Ryoichi Saito
    • Organizer
      The 17th Congress of Asian Society for Clinical Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Klebsiella species and Enterobacter cloacae isolates harbouring blaOXA-181 and blaOXA-48: resistome, fitness cost, and plasmid stability2022

    • Author(s)
      Samiratu Mahazu, Isaac Prah, Yusuke Ota, Takaya Hayashi, Yoko Nukui, Masato Suzuki, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Tomoko Ishino, Anthony Ablordey, Ryoichi Saito
    • Organizer
      The 17th Congress of Asian Society for Clinical Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Genetic and phenotypic features of Staphylococcus epidermidis ST2 bloodstream isolates from Tokyo2022

    • Author(s)
      Kayo Yamada, Alafate Ayibieke, Samiratu Mahazu, Isaac Prah, Yusuke Ota, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito
    • Organizer
      The 17th Congress of Asian Society for Clinical Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Characterization of extended-spectrum β-lactamase producing Klebsiella pneumoniae from Ghana2022

    • Author(s)
      Yikeshan Yalikun, Isaac Prah, Samiratu Mahazu, Yusuke Ota, Anthony Ablordey, Ryoichi Saito
    • Organizer
      The 17th Congress of Asian Society for Clinical Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Whole-genome characterization of OXA-181 carbapenemase producing Escherichia coli from diarrheic patients in Ghana2021

    • Author(s)
      Isaac Prah, Alafate Ayibieke, Samiratu Mahazu, Chihiro Tani Sassa, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Shoji Yamaoka, Anthony Ablordey, Ryoichi Saito
    • Organizer
      第32回日本臨床微生物学会総会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 侵襲性髄膜炎菌感染症患者由来髄膜炎菌の薬剤感受性成績2021

    • Author(s)
      齋藤良一, 中島淳, 小林亜由香, 神谷 元, 東田修二, 高橋英之
    • Organizer
      第95回日本感染症学会学術講演会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Emergence of Oxacillinase-181Carbapenemase-producing Diarrheagenic Escherichia coli in Ghana2021

    • Author(s)
      Isaac Prah, Alafate Ayibieke, Samiratu Mahazu, Chihiro Tani Sassa, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Shoji Yamaoka, Anthony Ablordey, Ryoichi Saito
    • Organizer
      World Microbe Forum 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 肺炎球菌が産生するH2O2と宿主との相互作用に関する解析2021

    • Author(s)
      本庄優子、小川道永、古屋瑠菜、齋藤良一、明田幸宏、竹山春子、 大西 真
    • Organizer
      第95回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Molecular characterization of S. epidermidis bloodstream isolates from two hospitals in Tokyo2021

    • Author(s)
      Alafate Ayibieke, Kayo Yamada, Kageto Yamada, Shinji Ogihara, Yoshibumi Aiso, Yoshiro Hadano, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito
    • Organizer
      第32回日本臨床微生物学会総会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 血液培養からMoraxella catarrhalisが検出された急性中耳炎患児の1症例2021

    • Author(s)
      大戸美穂、池町真実、山本 剛、二村絢子、池成拓哉、竹川啓史、太田悠介、齋藤良一
    • Organizer
      第33回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Clostridioides difficileの分子疫学解析におけるPCR-based ORF Typing法の有用性の検討2021

    • Author(s)
      太田悠介、貫井陽子、東田修二、齋藤良一
    • Organizer
      第33回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] PCR-based ORF Typing法を用いたClostridioides difficileの分子疫学解析の検討2021

    • Author(s)
      太田悠介、本郷夏音、貫井陽子、小池竜司、東田修二、齋藤良一
    • Organizer
      第70回日本感染症学会東日本地方会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] 血流感染症患者由来メチシリン耐性S. epidermidisにおけるゲノム解析2021

    • Author(s)
      山田華代、太田悠介、山田景土、荻原真二、貫井陽子、小池竜司、東田修二、齋藤良一
    • Organizer
      第70回日本感染症学会東日本地方会学術集会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Genetic Features of Extended-spectrum Beta-lactamase Producing Escherichia coli from TwoHospitals in Ghana2021

    • Author(s)
      Samiratu Mahazu, Wakana Sato, Alafate Ayibieke, Isaac Prah, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito
    • Organizer
      World Microbe Forum 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] SCCmec型分類に資するメチシリン耐性表皮ブドウ球菌のゲノミクス研究2021

    • Author(s)
      齋藤良一
    • Organizer
      第68回日本臨床検査医学会学術集会
    • Invited
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Molecular Epidemiological Analysis of Multidrug-Resistant Achromobacter xylosoxidans that Caused an Outbreak in Japan2020

    • Author(s)
      Y. Nukui, R. Saito, K. Aoki, Y. Ishii, Y. Aiso, M. Shima, K. Sonobe, S. Tohda, R. Koike
    • Organizer
      ASM Microbe 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] NDM-5メタロβラクタマーゼ・OXA-1同時産生Klebsiella oxytoca検出事例2020

    • Author(s)
      貫井陽子, 齋藤良一, 相曽啓史, 井上健斗, 羽田野義郎, 東田修二, 小池竜司
    • Organizer
      第94回日本感染症学会学術講演会
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Virulence Profile of Diarrhegenic E. coli from the Western region of Ghana2020

    • Author(s)
      Isaac Prah, Alafate Ayibieke, Atsushi Iguchi Samiratu Mahazu, Wakana Sato, Toshihiko Suzuki, Shoji Yamaoka, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Genetic diversity and Epidemiology of Accessory Gene Regulator Loci in the Clinical Isolates of Clostridioides difficile2020

    • Author(s)
      Yuta Okada, Shu Okugawa, Mahoko Ikeda, Tatsuya Kobayashi, Ryoichi Saito, Yoshimi Higurashi, Kyoji Moriya
    • Organizer
      ASM Microbe 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K08818
  • [Presentation] Epidemiological characteristics of bloodstream S. epidermidis isolates from two hospitals in Tokyo2020

    • Author(s)
      Alafate Ayibieke, Kageto Yamada, Yoshibumi Aiso, Yoshiro Hadano, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito
    • Organizer
      第93回日本細菌学会総会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Molecular Epidemiological Analysis of Multidrug-Resistant Pseudomonas aeruginosa that Caused an Outbreak in an Intensive Care Unit in Japan2019

    • Author(s)
      Y. Nukui, Y. Maki, Y. Hadano, Y. Aiso, J. Nakajima, K. Sonobe, R. Saito, S. Tohda, R. Koike
    • Organizer
      ASM Microbe 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] ガーナ共和国の臨床分離株における腸内細菌科細菌の薬剤感受性成績2019

    • Author(s)
      佐藤和佳菜, Alafate Ayibieke, 小林あゆみ, 谷千尋, 日暮芳己, 佐藤智明, 森屋恭爾, 鈴木敏彦, 大橋光子, 岩永史朗, 齋藤良一
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] 血液培養陽性例へのASによりみえてくるものは2019

    • Author(s)
      相曽啓史, 渋谷有香, 丸谷美保子, 鳥羽美貴子, 森美奈子, 齋藤良一, 羽田野義郎, 貫井陽子, 高橋弘充
    • Organizer
      第34回日本環境感染学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] 本邦初のNDM-5メタロ-β-ラクターマーゼ産生大腸菌ST167による感染事例2019

    • Author(s)
      貫井陽子, 羽田野義郎, 齋藤良一, 相曽啓史, 東田修二, 小池竜司
    • Organizer
      第93回日本感染症学会学術講演会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Antimicrobial susceptibility and extended-spectrum β-lactamase profiles of Escherichia coli and Klebsiella spp. isolated from Ghana2019

    • Author(s)
      Wakana Sato, Samiratu Mahazu, Isaac Prah, John Addow-Thompson, Alafate Ayibieke, Shiroh Iwanaga, Anthony Ablordy, Ryoichi Saito
    • Organizer
      The 23rd IFCC-EFLM European Congress of Clinical Chemistry and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Emergence of an NDM-1-producing Escherichia coli from Ghana2019

    • Author(s)
      Alafate Ayibieke, Wakana Sato, Samiratu Mahazu, Mitsuko Ohhashi, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] ガーナ共和国のフルオロキノロン系薬耐性、基質特異性拡張型β-ラクタマーゼ産生Escherichia coliに関する分子疫学研究2019

    • Author(s)
      岩澤茉莉絵, 佐藤和佳菜, Alafate Ayibieke, Isaac Prah, Samiratu Mahazu, 岩永史朗, Anthony Ablordey, 齋藤良一
    • Organizer
      第14回日本臨床検査学教育学会学術大会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Moraxella catarrhalisのβ-ラクタマーゼ阻害剤配合薬耐性に関わる分子機構2019

    • Author(s)
      太田彩花, 大塚 武, 長谷川瑛美, 笠井彩子, 山田景土, 山口佳宏, 和知野純一, 木村幸司, 荒川 宜親, 齋藤良一
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] デオキシコール酸がClostridioides difficileの増殖能、毒素産生能および芽胞形成能に与える影響2019

    • Author(s)
      臼井雪乃, 上市裕子,内田のぞみ, 奥川 周, 園部一成, 東田修二, 齋藤良一
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Impact of deoxycholate on the growth, toxin production, and spore formation of Clostridioides difficile2019

    • Author(s)
      Yukino Usui, Yuko Kamiichi, Shu Okugawa, Ryoichi Saito
    • Organizer
      The 23rd IFCC-EFLM European Congress of Clinical Chemistry and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] 感染症の病原体核酸検査の現状と将来展望-細菌の遺伝子型解析による院内感染制御-2019

    • Author(s)
      齋藤良一
    • Organizer
      日本臨床検査医学会 第75回関東・甲信越支部例会
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Clinical features, molecular epidemiology, and virulence-associated genes of Clostridioides difficile isolates in patients at a University Hospital in Japan2019

    • Author(s)
      Yuta Okada, Yuka Yagihara, Yoshitaka Wakabayashi, Gene Igawa, Ryoichi Saito, Yoshimi Higurashi, Mahoko Ikeda, Keita Tatsuno, Shu Okugawa, Kyoji Moriya
    • Organizer
      ASM Microbe 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Antibiotic resistance among Gram-negative glucose non-fermenting bacilli from Ghana2019

    • Author(s)
      Alafate Ayibieke, Ayumi Kobayashi, Samiratu Mahazu, Wakana Sato, Isaac Prah, John Addow-Thompson, Shiroh Iwanaga, Anthony Ablordy, Ryoichi Saito
    • Organizer
      The 23rd IFCC-EFLM European Congress of Clinical Chemistry and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Moraxella catarrhalis同定法の評価2019

    • Author(s)
      武藤沙起里, 山田景土, 西山宏幸, 齋藤良一
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] デオキシコール酸に対するClostridioides difficileの代謝調節2019

    • Author(s)
      臼井雪乃, 上市裕子,奥川 周, 東田修二, 齋藤良一
    • Organizer
      第49回日本嫌気性菌感染症学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] CDアウトブレイクの分子疫学解析2018

    • Author(s)
      貫井陽子, 相曽啓史, 齋藤良一, 谷千尋, 東田修二, 小池竜司
    • Organizer
      第92回日本感染症学会学術講演会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] アモキシリン/クラブラン酸耐性Moraxella catarrhalisが有する耐性機構の解析2018

    • Author(s)
      太田彩花, 大塚 武, 長谷川瑛美, 笠井彩子, 山田景土, 山口佳宏, 和知野純一, 木村幸司, 齋藤良一
    • Organizer
      第55回関甲信支部・首都圏支部医学検査学会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Molecular epidemiological analysis of Clostridium difficile that caused an outbreak in a Japanese hospital2018

    • Author(s)
      Y. Nukui, Y. Aiso, T. Chino, R. Saito, C. Tani, J. Nakajima, K. Sonobe, S. Tohda, R. Koike
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] First clinical isolation of NDM-1 carbapenemase-producing Escherichia coli in Ghana2018

    • Author(s)
      Alafate Ayibieke, Wakana Sato, Samiratu Mahazu, Isaac Prah, John Thompson, Chihiro Tani, Mitsuko Ohashi, Shiroh Iwanaga, Toshihiko Suzuki, Anthony Ablordey, Ryoichi Saito
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] ガーナ共和国の臨床分離株における薬剤感受性成績2018

    • Author(s)
      佐藤和佳菜, Alafate Ayibieke, 小林あゆみ, 谷千尋, 齋藤良一
    • Organizer
      第55回関甲信支部・首都圏支部医学検査学会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Cardiobacterium valvarumによる感染性心内膜炎の一例2018

    • Author(s)
      武井美澪, 鷲尾洋平, 篠山明宏, 井上淳, 遠藤康実, 根井貴仁, 齋藤良一
    • Organizer
      第14回東京都医学検査学会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Dissemination of qac genes among Staphylococcus epidermidis isolates from a University teaching hospital in Tokyo2018

    • Author(s)
      Alafate Ayibieke, Miyuki Mizoguchi, Kageto Yamada, Tomoaki Sato, Chino Takashi, Yoshibumi Aiso, Toshihide Fujie, Yoko Nukui, Kyoji Moriya, Ryuji Koike, Shuji Tohda, Ryoichi Saito
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Clostridium difficileの増殖、毒素産生および芽胞形成に対する胆汁酸の影響2018

    • Author(s)
      臼井雪乃, 上市裕子, 内田のぞみ, 奥川 周, 園部一成, 東田修二, 齋藤良一
    • Organizer
      第55回関甲信支部・首都圏支部医学検査学会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] RelA/DTD-mediated regulation of spore formation and toxin production by Clostridium perfringens type A strain SM1012018

    • Author(s)
      Ryoichi Saito, Prabhat K. Talukdar, Saud S. Alanazi, Mahfuzur R. Sarker
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] The inhibitory effects of essential oil constituents against germination, outgrowth and vegetative growth of spores of Clostridium perfringens type A in laboratory medium and chicken meat2018

    • Author(s)
      Saud Alanazi, Maryam Alnoman, Saeed Banawas, Ryoichi Saito, Mahfuzur R. Sarker
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Amoxicillin/clavulanic acid低感受性Moraxella catarrhalisが分離された一例2018

    • Author(s)
      大塚 武、静野健一、太田彩花、笠井彩子、山田景土、齋藤良一
    • Organizer
      第67回日本医学検査学会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Genetic profile in the development of macrolide resistance in Moraxella catarrhalis2018

    • Author(s)
      Ayaka Ohta, Ayako Kasai, Yuina Maeda, Kageto Yamada, Ryoichi Saito
    • Organizer
      ASM Microbe 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Carbapenemase-producing Enterobacteriaceaeスクリーニング法の比較検討 Modified-Hodge test vs Carba NP test vs carbapenem inactivation method2017

    • Author(s)
      山田景土, 柏 真知子, 長野則之, 齋藤良一
    • Organizer
      第29回日本臨床微生物学会総会・学術集会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] The Clostridium perfringens RelA and DTD control sporulation2017

    • Author(s)
      Ryoichi Saito、Mahfuzur R. Sarker
    • Organizer
      The 29th World Congress of World Association of Societies of Pathology and Laboratory Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Donor of mosaic pena gene of ceftriaxone resistant neisseria gonorrhoeae fc428 and gu1401062017

    • Author(s)
      Makoto Ohnishi, Gene Igawa, Misato Dorin, Ken Shimuta, Ryoichi Saito, Shu-Ichi Nakayama
    • Organizer
      STI and HIV 2017 World Congress
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Helicobacter cinaedi菌血症の臨床的・分子疫学的解析2017

    • Author(s)
      貫井陽子, 齋藤良一, 谷 千尋, 相曽啓史, 藤江俊秀, 東田修二, 小池竜司, 茅野崇
    • Organizer
      第91回日本感染症学会総会・学術講演会
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] 細菌の薬剤耐性化2017

    • Author(s)
      齋藤良一
    • Organizer
      第12回日本臨床検査学教育学会学術大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K08822
  • [Presentation] Moraxella catarrhalis外膜タンパク質CDは病原性および抗菌薬耐性に関与する2012

    • Author(s)
      齋藤良一
    • Organizer
      第23回日本臨床微生物学会総会.
    • Place of Presentation
      横浜市
    • Year and Date
      2012-01-21
    • Data Source
      KAKENHI-PROJECT-23790616
  • [Presentation] Moraxella catarrhalis 外膜タンパク質CDは病原性および抗菌薬耐性に関与する2012

    • Author(s)
      齋藤良一、他
    • Organizer
      第23回日本臨床微生物学会総会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-23790616
  • [Presentation] Characterization of outer membrane protein CD as a vaccine antigen of Moraxella catarrhalis2011

    • Author(s)
      Ryoichi Saito
    • Organizer
      International Union of Microbiological Societies 2011.
    • Place of Presentation
      Sapporo
    • Year and Date
      2011-09-07
    • Data Source
      KAKENHI-PROJECT-23790616
  • [Presentation] Characterization of outer membrane protein CD as a vaccine antigen of Moraxella catarrhalis2011

    • Author(s)
      Ryoichi Saito, et al.
    • Organizer
      International union of microbiological societies 2011 congress
    • Place of Presentation
      Sapporo
    • Data Source
      KAKENHI-PROJECT-23790616
  • []

  • []

  • 1.  太田 悠介 (90868530)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 5 results
  • 2.  Misumi Junko (80282755)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 3.  OKUBO Noriko (20194102)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 4.  TATE Akiko (50758745)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 5.  具 芳明 (30622526)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  TAKAHASHI Satoshi
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 7.  SUZUKI Masato
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 8.  岩永 史朗
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 3 results
  • 9.  貫井 陽子
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 4 results
  • 10.  佐藤 勇樹
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 11.  安田 満
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 12.  畠山 修司
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 13.  奥川 周
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 14.  長野 則之
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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