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Genomic Characterization of Neisseria gonorrhoeae Strains from 2016 U.S. Sentinel Surveillance Displaying Reduced Susceptibility to Azithromycin.


ABSTRACT: In 2016, the proportion of Neisseria gonorrhoeae isolates with reduced susceptibility to azithromycin rose to 3.6%. A phylogenetic analysis of 334 N. gonorrhoeae isolates collected in 2016 revealed a single, geographically diverse lineage of isolates with MICs of 2 to 16??g/ml that carried a mosaic-like mtr locus, whereas the majority of isolates with MICs of??16??g/ml appeared sporadically and carried 23S rRNA mutations. Continued molecular surveillance of N. gonorrhoeae isolates will identify new resistance mechanisms.

SUBMITTER: Schmerer MW 

PROVIDER: S-EPMC7179607 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Genomic Characterization of Neisseria gonorrhoeae Strains from 2016 U.S. Sentinel Surveillance Displaying Reduced Susceptibility to Azithromycin.

Schmerer Matthew W MW   Abrams A Jeanine AJ   Seby Sandra S   Thomas Jesse C JC   Cartee John J   Lucking Sean S   Vidyaprakash Eshaw E   Pham Cau D CD   Sharpe Samera S   Pettus Kevin K   St Cyr Sancta B SB   Torrone Elizabeth A EA   Kersh Ellen N EN   Gernert Kim M KM  

Antimicrobial agents and chemotherapy 20200421 5


In 2016, the proportion of <i>Neisseria gonorrhoeae</i> isolates with reduced susceptibility to azithromycin rose to 3.6%. A phylogenetic analysis of 334 <i>N. gonorrhoeae</i> isolates collected in 2016 revealed a single, geographically diverse lineage of isolates with MICs of 2 to 16 μg/ml that carried a mosaic-like <i>mtr</i> locus, whereas the majority of isolates with MICs of ≥16 μg/ml appeared sporadically and carried 23S rRNA mutations. Continued molecular surveillance of <i>N. gonorrhoeae  ...[more]

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