Microbial drug resistance (Larchmont, N.Y.) · 2023
Whole Genome Sequencing of an Extensively Drug-Resistant Raoultella planticola Isolate Containing blaKPC-2, blaNDM-1, and blaCTX-M-15.
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Marini Paulo Victor Batista, Tavares Eliandro Reis, Motter Cintia Werner, Migliorini Letícia Busato, de Sales Romário Oliveira, Fedrigo Nayara Helisandra, Shinohara Danielle Rosani, Hungria Mariangela, Yamada-Ogatta Sueli Fumie, Tognim Maria Cristina Bronharo
Аннотация
Raoultella planticola harboring genes that confer resistance to antimicrobials, such as carbapenems, have been associated with severe infections in immunocompromised patients. In this study, we reported the first whole genome sequence of a Brazilian isolate of R. planticola and the genomic context of antibiotic resistance markers. By whole-genome sequencing (WGS) of a carbapenem-resistant R. planticola isolate, RpHUM1, we found 23 resistance-encoding genes belonging to 9 classes of antibiotics (aminoglycosides, β-lactams, fluoroquinolones, fosfomycin, macrolides, phenicols, sulfonamides, tetracycline, and diaminopyrimidine derivatives) and 3 plasmids (RpHUM1pEaer-4382s, RpHUM1_pFDAARGOS_440, and RpHUM1pRSF1010). This isolate coharbored the genes blaKPC-2, which is carried by the plasmid RpHUM1pEaer-4382s, and blaNDM-1 and blaCTX-M-15 all located in the accessory genome. In addition, these genes were associated with, at least, one mobile genetic element. This comprehensive knowledge is of great importance for implementation of control measures to prevent the rapid dissemination of this neglected microorganism and their genetic resistance background.