Mycoplasma genitalium Macrolide and Fluoroquinolone Resistance Detection and Clinical Implications in a Selected Cohort in New Zealand

Author:

Anderson Trevor1,Coughlan Edward2,Werno Anja1

Affiliation:

1. Canterbury Health Laboratories, Canterbury District Health Board, Christchurch, New Zealand

2. Christchurch Sexual Health Services, Canterbury District Health Board, Christchurch, New Zealand

Abstract

ABSTRACT Mycoplasma genitalium has been associated with infections of the genitourinary tract, and prevalence is secondary to Chlamydia trachomatis . The clinical observation of increasing treatment failure indicating antibiotic resistance, especially in cases of recurrent urethritis, has been confirmed by molecular testing. Mutations in the 23S rRNA gene can cause macrolide resistance, and topoisomerase/gyrase mutations can cause fluoroquinolone resistance. In this study, 115 M. genitalium DNA-positive samples were analyzed. Eighty-nine (77.4%) samples had a 23S rRNA mutation present, and 26 (22.6%) were wild type (no resistance mutation). Fluoroquinolone mutation screening was performed on 86 (74.8%) of the 115 samples, of which 20 (23.3%) samples had a mutation or mutations associated with increased resistance. This study shows the increasing antibiotic resistance in New Zealand and the need for appropriate guidelines to treat at-risk patients.

Funder

Canterbury Medical Research Foundation

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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