2023
DOI: 10.1093/jac/dkad058
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Identification of a novel carbapenem-hydrolysing class D β-lactamase RAD-1 inRiemerella anatipestifer

Abstract: Objectives To elucidate the role of a novel carbapenem-hydrolysing class D β-lactamase (RAD-1) from Riemerella anatipestifer. Methods We applied WGS and bioinformatic analysis to screen putative β-lactamase genes in R. anatipestifer SCVM0004. A putative class D β-lactamase gene was cloned into pET24a and transferred into Escherichia coli BL21 (DE3) for antibiotic susceptibility determination and protein purification. Meanwhil… Show more

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Cited by 4 publications
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“…Through gene cloning, it was found that the mutant mediated resistance to penicillin, ampicillin, piperacillin, amoxicillin, cefotaxime, and cefazolin in β-lactam antibiotics in Escherichia coli . However, this gene did not exhibit high resistance in wild isolates, aligning with a previous study on tetX by Li et al (2022 ) , and the reported bla RAD-1 in R. anatipestifer ( Li et al, 2023 ). These observations suggest that while R. anatipestifer hosts to these resistance genes, they may manifest higher antibiotic resistance potential in other bacteria.…”
Section: Discussionsupporting
confidence: 89%
“…Through gene cloning, it was found that the mutant mediated resistance to penicillin, ampicillin, piperacillin, amoxicillin, cefotaxime, and cefazolin in β-lactam antibiotics in Escherichia coli . However, this gene did not exhibit high resistance in wild isolates, aligning with a previous study on tetX by Li et al (2022 ) , and the reported bla RAD-1 in R. anatipestifer ( Li et al, 2023 ). These observations suggest that while R. anatipestifer hosts to these resistance genes, they may manifest higher antibiotic resistance potential in other bacteria.…”
Section: Discussionsupporting
confidence: 89%