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Antibiotic resistance among clinical Ureaplasma isolates from Cuban individuals between 2013 and 2018

Preval, Nadia María Rodríguez, Spiller, Owen B., Mondeja Rodríguez, Brian A., Morales, Ruxana Sardiñas, Cintra, Yenis Ramírez and Rivera-Tapia, José A. 2022. Antibiotic resistance among clinical Ureaplasma isolates from Cuban individuals between 2013 and 2018. Journal of Medical Microbiology 71 (2) , 1477. 10.1099/jmm.0.001477

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Introduction. Acquired resistance against the antibiotics that are active against Ureaplasma species has been described. Hypothesis/Gap Statement. Diagnostics combined with antimicrobial sensitivity testing are required for therapeutic guidance. Aim. To report the prevalence of antimicrobial resistance among Cuban Ureaplasma isolates and the related molecular mechanisms of resistance. Methodology. Traditional broth microdilution assays were used for antimicrobial sensitivity testing in 262 clinical Ureaplasma species isolates from Cuban patients between 2013 and 2018, and a subset of samples were investigated in parallel with the commercial MYCO WELL D-ONE rapid culture diagnostic assay. The underlying molecular mechanisms for resistance were determined by PCR and sequencing for all resistant isolates. Results. Among the tested isolates, the tetracycline and erythromycin resistance rates were 1.9 and 1.5%, respectively, while fluoroquinolone resistance was not found. The tet(M) gene was found in all tetracycline-resistant isolates, but also in two tetracycline-susceptible Ureaplasma clinical isolates. We were unable to determine the underlying mechanism of erythromycin resistance. The MYCO WELL D-ONE kit overestimated tetracycline and erythromycin resistance in Ureaplasma spp. isolates. Conclusions. Although low levels of antibiotic resistance were detected in Cuban patients over a 5-year period, continued surveillance of the antibiotic susceptibility of Ureaplasma is necessary to monitor possible changes in resistance patterns.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Microbiology Society
ISSN: 0022-2615
Date of First Compliant Deposit: 18 February 2022
Date of Acceptance: 9 November 2021
Last Modified: 07 Mar 2022 16:24

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