Published Papers & Misc - SAITO Ryoichi

21. Yusuke Ota, Chihiro Tani Sassa, Masayo Kashiwagi, Chikako Okawara, Shuji Tohda, Ryoichi Saito. Complete Genome Sequence of an Enterobacter roggenkampii Strain with Reduced Carbapenem Susceptibility Isolated from a Home-Visit Nursing Agency. Microbiol Resour Announc. 2022.08; e0035322. ( PubMed, DOI )

22. Isaac Prah, Yoko Nukui, Shoji Yamaoka, Ryoichi Saito. Emergence of a high-risk Klebsiella michiganensis clone disseminating carbapenemase genes. Front Microbiol. 2022.05; 13 880248. ( PubMed, DOI )

23. Yusuke Ota, Isaac Prah, Yoko Nukui, Ryuji Koike, Ryoichi Saito. blaKPC-2-Encoding IncP-6 Plasmids in Citrobacter freundii and Klebsiella variicola Strains from Hospital Sewage in Japan. Appl Environ Microbiol. 2022.04; e0001922. ( PubMed, DOI )

24. Ryoichi Saito, Jun Nakajima, Isaac Prah, Masatomo Morita, Samiratu Mahazu, Yusuke Ota, Ayuka Kobayashi, Shuji Tohda, Hajime Kamiya, Hideyuki Takahashi, Makoto Ohnishi. Penicillin- and Ciprofloxacin-Resistant Invasive Neisseria meningitidis Isolates from Japan. Microbiol Spectr. 2022.04; e0062722. ( PubMed, DOI )

25. Samiratu Mahazu, Wakana Sato, Alafate Ayibieke, Isaac Prah, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito. Insights and genetic features of extended-spectrum beta-lactamase producing Escherichia coli isolates from two hospitals in Ghana. Sci Rep. 2022.02; 12 (1): 1843. ( PubMed, DOI )

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

27. Samiratu Mahazu, Isaac Prah, Alafate Ayibieke, Wakana Sato, Takaya Hayashi, Toshihiko Suzuki, Shiroh Iwanaga, Anthony Ablordey, Ryoichi Saito. Possible Dissemination of Escherichia coli Sequence Type 410 Closely Related to B4/H24RxC in Ghana. Front Microbiol. 2021.12; 12 770130. ( PubMed, DOI )

28. Yusuke Ota, Natsune Hongou, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito. Evaluation of polymerase chain reaction-based open reading frame typing method for the clonality investigation of Clostridioides difficile isolates. Anaerobe. 2021.12; 72 102462. ( PubMed, DOI )

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

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

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

32. Koh Okamoto, Alafate Ayibieke, Ryoichi Saito, Kenichi Ogura, Yuki Magara, Reiko Ueda, Hina Ogawa, Shuji Hatakeyama. A nosocomial cluster of Roseomonas mucosa bacteremia possibly linked to contaminated hospital environment. J. Infect. Chemother.. 2020.08; 26 (8): 802-806. ( PubMed, DOI )

33. Miyuki Mizoguchi, Yoshimi Matsumoto, Ryoichi Saito, Tomoaki Sato, Kyoji Moriya. Direct antibiotic susceptibility testing of blood cultures of gram-negative bacilli using the Drug Susceptibility Testing Microfluidic (DSTM) device. J. Infect. Chemother.. 2020.06; 26 (6): 554-562. ( PubMed, DOI )

34. Yuta Okada, Shu Okugawa, Mahoko Ikeda, Tatsuya Kobayashi, Ryoichi Saito, Yoshimi Higurashi, Kyoji Moriya. Genetic diversity and epidemiology of accessory gene regulator loci in Clostridioides difficile. Access Microbiol. 2020.05; 2 (7): acmi000134. ( PubMed, DOI )

35. Yukino Usui, Yoko Nukui, Ryuji Koike, Shuji Tohda, Ryoichi Saito. Draft Genome Sequence of a Clostridioides difficile Sequence Type 97 Strain Belonging to Hypervirulent Clade 2. Microbiol Resour Announc. 2020.04; 9 (14): e00245-20. ( PubMed, DOI )

36. Yukino Usui, Alafate Ayibieke, Yuko Kamiichi, Shu Okugawa, Kyoji Moriya, Shuji Tohda, Ryoichi Saito. Impact of deoxycholate on Clostridioides difficile growth, toxin production, and sporulation. Heliyon. 2020.04; 6 (4): e03717. ( PubMed, DOI )

37. Yuta Okada, Yuka Yagihara, Yoshitaka Wakabayashi, Gene Igawa, Ryoichi Saito, Yoshimi Higurashi, Mahoko Ikeda, Keita Tatsuno, Shu Okugawa, Kyoji Moriya. Epidemiology and virulence-associated genes of Clostridioides difficile isolates and factors associated with toxin EIA results at a university hospital in Japan. Access Microbiol. 2019.12; 2 (2): acmi000086. ( PubMed, DOI )

38. Ryoichi Saito, Yukino Usui, Alafate Ayibieke, Jun Nakajima, Isaac Prah, Kazunari Sonobe, Yoshibumi Aiso, Shiori Ito, Yasuhiro Itsui, Yoshiro Hadano, Yoko Nukui, Ryuji Koike, Shuji Tohda. Hypervirulent clade 2, ribotype 019/sequence type 67 Clostridioides difficile strain from Japan. Gut Pathog. 2019.11; 11 54. ( PubMed, DOI )

39. Yoko Nukui, Takashi Chino, Chihiro Tani, Kazunari Sonobe, Yoshibumi Aiso, Shuji Tohda, Ryuji Koike, Ryoichi Saito. Molecular epidemiologic and clinical analysis of Helicobacter cinaedi bacteremia in Japan. Helicobacter. 2019.11; e12675. ( PubMed, DOI )

40. Francesco Comandatore, Davide Sassera, Sion C Bayliss, Erika Scaltriti, Stefano Gaiarsa, Xiaoli Cao, Ana C Gales, Ryoichi Saito, Stefano Pongolini, Sylvain Brisse, Edward J Feil, Claudio Bandi. Gene Composition as a Potential Barrier to Large Recombinations in the Bacterial Pathogen Klebsiella pneumoniae. Genome Biol Evol. 2019.11; 11 (11): 3240-3251. ( PubMed, DOI )