Use of whole-genome sequencing data to analyze 23S rRNA-mediated azithromycin resistance.

Abstract:

:The whole-genome sequences of 24 isolates of Neisseria gonorrhoeae with elevated minimum inhibitory concentrations (MICs) to azithromycin (≥2.0 µg/mL) were analyzed against a modified sequence derived from the whole-genome sequence of N. gonorrhoeae FA1090 to determine, by signal ratio, the number of mutant copies of the 23S rRNA gene and the copy number effect on 50S ribosome-mediated azithromycin resistance. Isolates that were predicted to contain four mutated copies were accurately identified compared with the results of direct sequencing. Fewer than four mutated copies gave less accurate results but were consistent with elevated MICs.

authors

Johnson SR,Grad Y,Abrams AJ,Pettus K,Trees DL

doi

10.1016/j.ijantimicag.2016.10.023

subject

Has Abstract

pub_date

2017-02-01 00:00:00

pages

252-254

issue

2

eissn

0924-8579

issn

1872-7913

pii

S0924-8579(16)30397-1

journal_volume

49

pub_type

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