Saito Ryoichi 齋藤良一

… Alternative Names

SAITO Ryoichi 齋藤良一

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Researcher Number	00581969
Other IDs	https://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

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

All Journal Article Presentation

[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] Variation in presepsin and thrombomodulin levels for predicting COVID-19 mortality2023
- Author(s)
  Yamazaki A, Nukui Y, Kameda T, Saito R, Koda Y, Ichimura N, Tohda S, Ohkawa R.
- Journal Title
  
  Sci Rep
  
  Volume: 13 Issue: 1 Pages: 21493-21493
- DOI
  10.1038/s41598-023-48633-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K09603, KAKENHI-PROJECT-20K08818, KAKENHI-PROJECT-21K15641
[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 bla OXA-181 and bla OXA-48 : 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] bla KPC-2 -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 Escherichia coli 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 Escherichia coli 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] Epidemiology and virulence-associated genes of Clostridioides difficile isolates and factors associated with toxin EIA results at a university hospital in Japan2020
- Author(s)
  Okada Yuta、Yagihara Yuka、Wakabayashi Yoshitaka、Igawa Gene、Saito Ryoichi、Higurashi Yoshimi、Ikeda Mahoko、Tatsuno Keita、Okugawa Shu、Moriya Kyoji
- Journal Title
  
  Access Microbiology
  
  Volume: 2 Issue: 2 Pages: 1-9
- DOI
  10.1099/acmi.0.000086
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K08949, KAKENHI-PROJECT-17K08822
[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 Klebsiella pneumoniae 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 Moraxella catarrhalis2018
- 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. 奥川周

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
10. 貫井陽子

# of Collaborated Projects: 0 results

# of Collaborated Products: 5 results
11. 佐藤勇樹

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
12. 安田満

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
13. 畠山修司

# 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

Saito Ryoichi 齋藤 良一

SAITO Ryoichi 齋藤 良一

Research Projects

Research Products

Co-Researchers

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

Principal Investigator

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Comprehensive evaluation of the distribution and characteristics of antimicrobial resistance in hospital wastewater using metagenomic data

Principal Investigator

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Review Section

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Antimicrobial susceptibility and penicillin resistance mechanism in the Japanese clinical isolates of Neisseria meningitidisPrincipal Investigator

Principal Investigator

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Research Category

Review Section

Research Institution

Environmental adaptation mechanisms of Clostridium difficile (CD)Principal Investigator

Principal Investigator

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Research Institution

About safety as the food of the refrigerated and preserved Human milk

Principal Investigator

Project Period (FY)

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Research Institution

Role of Moraxella catarrhalis outer membrane protein in antibiotic resistance and pathogenesisPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

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

Author(s)

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DOI

Data Source

[Journal Article] Emergence of ciprofloxacin- and penicillin-resistant Neisseria meningitidis isolates in Japan between 2003 and 2020 and its genetic features2023

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DOI

Data Source

[Journal Article] Types A and F Clostridium perfringens in healthcare wastewater from Ghana2023

Author(s)

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DOI

Data Source

[Journal Article] A mismatch amplification mutation assay for specific detection of ciprofloxacin-resistant Neisseria meningitidis2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Variation in presepsin and thrombomodulin levels for predicting COVID-19 mortality2023

Author(s)

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DOI

Data Source

[Journal Article] Insights and genetic features of extended-spectrum beta-lactamase producing Escherichia coli isolates from two hospitals in Ghana2022

Author(s)

Journal Title

DOI

Data Source

[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)

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Data Source

[Journal Article] Complete Genome Sequence of an Enterobacter roggenkampii Strain with Reduced Carbapenem Susceptibility Isolated from a Home-Visit Nursing Agency2022

Author(s)

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DOI

Saito Ryoichi 齋藤良一

SAITO Ryoichi 齋藤良一