論文・総説 - 齋藤　良一

1. Runa Furuya, Satomi Takei, Yoko Tabe, Anthony Ablordey, Ryoichi Saito. Genomic and virulence characteristics of Brucella intermedia isolated from hospital wastewater in Ghana. Pathogens. 2025.05;

2. Hideyuki Takahashi, Yuki Ohama, Kazuhiro Horiba, Munehisa Fukusumi, Tomimasa Sunagawa, Tsukasa Ariyoshi, Mayako Koide, Ken Shimuta, Ryoichi Saito, Yukihiro Akeda. Emergence of high-level penicillin-resistant Neisseria meningitidis harboring ROB-1-type β-lactamase gene in Japan. J Infect Chemother. 2025.03; 31 (4): 102679. ( PubMed, DOI )

3. Frederick Ofosu Appiah, Samiratu Mahazu, Isaac Prah, Taira Kawamura, Yusuke Ota, Yohei Nishikawa, Mitsunori Yoshida, Masato Suzuki, Yoshihiko Hoshino, Toshihiko Suzuki, Tomoko Ishino, Anthony Ablordey, Ryoichi Saito. Emergence of Carbapenem-Resistant blaPOM-1 Harboring Pseudomonas otitidis Isolated from River Water in Ghana. Antibiotics (Basel). 2025.01; 14 (1): 50. ( PubMed, DOI )

4. Yusuke Ota, Fei Chen, Isaac Prah, Samiratu Mahazu, Kimiyo Watanabe, Teruaki Kinoshita, Yoshiaki Gu, Yoko Nukui, Ryoichi Saito. Metatranscriptomic Analysis Reveals Actively Expressed Antimicrobial-Resistant Genes and Their Hosts in Hospital Wastewater. Antibiotics (Basel). 2024.11; 13 (12): 1122. ( PubMed, DOI )

5. Samiratu Mahazu, Isaac Prah, Yusuke Ota, Takaya Hayashi, Masato Suzuki, Mitsunori Yoshida, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Tomoko Ishino, Anthony Samuel Ablordey, Ryoichi Saito. Colistin Resistance Mediated by Mcr-3-Related Phosphoethanolamine Transferase Genes in Aeromonas Species Isolated from Aquatic Environments in Avaga and Pakro Communities in the Eastern Region of Ghana. Infect Drug Resist. 2024.07; 17 3011-3023. ( PubMed, DOI )

6. Yoshiaki Iwashita, Shizue Takeuchi, Yoshiro Hadano, Taira Kawamura, Yuichiro Tanaka, Rie Sato, Nobuhiro Kodani, Noriaki Yamada, Ryoichi Saito. A case of community-acquired Clostridioides difficile infection causing intussusception, severe pneumonia, and severe hypokalemia. BMC Infect Dis. 2024.07; 24 (1): 744. ( PubMed, DOI )

7. Kayo Yamada, Alafate Ayibieke, Akari Ikeda, Kageto Yamada, Shinji Ogihara, Shuji Tohda, Ryoichi Saito. Molecular characterization of Staphylococcus epidermidis bloodstream isolates from two hospitals in Tokyo. Laboratory Medicine International. 2024.06; 3 (2): 33-41. ( DOI )

8. Yusuke Ota, Kei Yasunaga, Samiratu Mahazu, Isaac Prah, Satoshi Nagai, Takaya Hayashi, Masato Suzuki, Mitsunori Yoshida, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Yoshiaki Gu, Ryoichi Saito. Comparative evaluation of analytical pipelines for illumina short- and nanopore long-read 16S rRNA gene amplicon sequencing with mock microbial communities. J Microbiol Methods. 2024.04; 221 106929. ( PubMed, DOI )

9. Yusuke Kanno, Shuzo Masui, Yusuke Ota, Ryoichi Saito, Takasi Nisisako. Electrochemical sensing strategies for on-site testing of pathogenic nucleic acids. Electrochemical Science Advance. 2024.04; 1-10. ( DOI )

10. Azusa Yamazaki, Yoko Nukui, Takahiro Kameda, Ryoichi Saito, Yuki Koda, Naoya Ichimura, Shuji Tohda, Ryunosuke Ohkawa. Variation in presepsin and thrombomodulin levels for predicting COVID-19 mortality. Sci Rep. 2023.12; 13 (1): 21493. ( PubMed, DOI )

11. Taira Kawamura, Isaac Prah, Samiratu Mahazu, Anthony Ablordey, Ryoichi Saito. Types A and F Clostridium perfringens in healthcare wastewater from Ghana. Appl Environ Microbiol. 2023.12; e0161923. ( PubMed, DOI )

12. Hideyuki Takahashi, Masatomo Morita, Hajime Kamiya, Munehisa Fukusumi, Mitsuru Yasuda, Masatomi Sunagawa, Haruna Nakamura-Miwa, Yuki Ohama, Ken Shimuta, Makoto Ohnishi, Ryoichi Saito, Yukihiro Akeda. Emergence of ciprofloxacin- and penicillin-resistant Neisseria meningitidis isolates in Japan between 2003 and 2020 and its genetic features. Antimicrob Agents Chemother. 2023.11; 67 (11): e0074423. ( PubMed, DOI )

13. Yusuke Ota, Isaac Prah, Samiratu Mahazu, Yoshiaki Gu, Yoko Nukui, Ryuji Koike, Ryoichi Saito. Novel insights into genetic characteristics of blaGES-encoding plasmids from hospital sewage. Front Microbiol. 2023.08; 14 1209195. ( PubMed, DOI )

14. Yusuke Ota, Reina Okada, Hideyuki Takahashi, Ryoichi Saito. A mismatch amplification mutation assay for specific detection of ciprofloxacin-resistant Neisseria meningitidis. J Infect Chemother. 2023.05; 29 (5): 562-564. ( PubMed, DOI )

15. Samiratu Mahazu, Isaac Prah, Yusuke Ota, Takaya Hayashi, Yoko Nukui, Masato Suzuki, Yoshihiko Hoshino, Yukihiro Akeda, Toshihiko Suzuki, Tomoko Ishino, Anthony Ablordey, Ryoichi Saito. Klebsiella species and Enterobacter cloacae isolates harboring blaOXA-181 and blaOXA-48: resistome, fitness cost, and plasmid stability. Microbiol Spectr. 2022.12; e0332022. ( PubMed, DOI )

16. Yusuke Ota, Reina Okada, Hideyuki Takahashi, Ryoichi Saito. Molecular detection of fluoroquinolone-resistant Neisseria meningitidis by using mismatched PCR-restriction fragment length polymorphism technique. Front Cell Infect Microbiol. 2022.08; 12 911911. ( PubMed, DOI )

17. 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 )

18. 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 )

19. 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 )

20. 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 )