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Genomic insights into antimicrobial resistance and cytotoxin production in Klebsiella oxytoca complex isolates from a nationwide Japanese surveillance program.

Journal of global antimicrobial resistance - 1 May 2026

Sugawara Yo, Hayashi Wataru, Hayashi Ikue, Elahi Shaheem, Zuo Hui, Yu Liansheng, Kondo Kohei, Sato Yukari, Kawahara Natsumi, Kawakami Sayoko, Yahara Koji, Kayama Shizuo, Sugai Motoyuki

Abstract excerpt

OBJECTIVES: The Klebsiella oxytoca complex inhabits diverse environments, including the human gut, and frequently causes opportunistic infections. This species complex carries the intrinsic β-lactamase gene blaOXY, which confers resistance to ampicillin, and may acquire resistance to other antimicrobials, such as carbapenems, through mobile antimicrobial resistance genes or chromosomal mutations. A subset of the...

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PMID: 41763304
DOI: 10.1016/j.jgar.2026.02.011

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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