Koji Yahara
Tokyo, Japan
Last Updated: 09/26/2026
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Found 114 publications
Efficacy of new antimicrobial agents against carbapenemase-producing and non-carbapenemase-producing carbapenem-resistant Enterobacterales in Japan: national genomic surveillance (JARBS 2.0) study.
Journal: The Journal of antimicrobial chemotherapy
Published: March 16, 2026
Investigation of carbapenem-hydrolysing Klebsiella oxytoca strains lacking detectable carbapenemase genes.
Journal: Journal of medical microbiology
Published: March 13, 2026
International implementation of ASIARS-net for AMR surveillance: Building on JANIS.
Journal: Journal of global antimicrobial resistance
Published: February 18, 2026
Genomic insights into antimicrobial resistance and cytotoxin production in Klebsiella oxytoca complex isolates from a nationwide Japanese surveillance program.
Journal: Journal of global antimicrobial resistance
Published: November 12, 2025
Impact of antimicrobial prophylaxis in colorectal cancer surgery on the gut and oral microbiome and resistome: A prospective observational cohort study.
Journal: Journal of global antimicrobial resistance
Published: October 10, 2025
Corrigendum to "In vitro activity of cefiderocol against carbapenemase-producing and meropenem-non-susceptible Gram-negative bacteria collected in the Japan Antimicrobial Resistant Bacterial Surveillance" [Journal of Global Antimicrobial Resistance 38 (2024) 12-20].
Journal: Journal of global antimicrobial resistance
Published: September 25, 2025
Specific variants in ftsI reduce carbapenem susceptibility in Pseudomonas aeruginosa.
Journal: Microbiology spectrum
Published: July 07, 2025
Prospective Multicenter Surveillance of Non-H. pylori Helicobacter Infections during Medical Checkups, Japan.
Journal: Emerging infectious diseases
Published: May 29, 2025
Impact of antimicrobial stewardship interventions in pediatric populations on antimicrobial resistance: analysis of national claim and antimicrobial resistance surveillance data in Japan.
Journal: The Journal of hospital infection
Published: April 23, 2025
Impact of antimicrobial stewardship interventions in paediatric populations on antimicrobial resistance: analysis of national claim and antimicrobial resistance surveillance data in Japan.
Journal: The Journal of hospital infection
Published: April 23, 2025
Lipid fingerprinting by MALDI Biotyper Sirius instrument fails to differentiate the three subspecies of the Mycobacterium abscessus complex.
Journal: Journal of clinical microbiology
Published: March 14, 2025
Clinical outcomes of flomoxef versus cefmetazole in hospitalized patients with urinary tract infections: combined retrospective analyses of two real-world databases and in vitro data.
Journal: BMC medicine
Published: December 10, 2024
Last Updated: 09/26/2026