Phenotypes and Genotypes of Macrolide-resistant Streptococcus Pneumoniae

Overview

Journal Balkan Med J

Publisher Galenos Publishing House

Specialty General Medicine

Date 2015 Mar 12

PMID 25759777

Citations 4

Authors

Leyla Sirekbasan

Nevriye Gonullu

Serhat Sirekbasan

Mert Kuskucu

Kenan Midilli

Affiliations

Soon will be listed here.

Abstract

Background: Macrolide resistance in Streptococcus pneumoniae (S. pneumoniae) is a worldwide problem.

Aims: The aim of this work was to analyze the phenotypes, genotypes, and clonal relatedness among macrolide-resistant S. pneumoniae strains isolated from various clinical specimens in our hospital.

Study Design: Cross-sectional study.

Methods: 80 non-duplicate S. pneumoniae strains were analyzed by polymerase chain reaction for both the erm (B) and mef (A) genes.

Results: Macrolide resistance was observed in 22.5% (18 strains) of strains. Two (11.2%) isolates possessed mef (A), eight possessed erm (B) (44.4%) and eight strains (44.4%) were positive for both erm (B) and mef (A) genes. Although BOX-PCR of 18 macrolide-resistant strains revealed 11 band patterns, they clustered as seven clones with a genetic distance >10% to each other. Eight isolates possessed both erm (B) and mef (A) genes and belonged to a single clone (44.44% of all macrolide-resistant strains).

Conclusion: Increased positivity rates for both resistance genes have also been reported from other hospitals in Turkey, but this is the first study from Turkey showing the clonal dissemination of both resistance genes.

Citing Articles

Detection of Macrolide-Resistant Genes and Its Clinical Outcomes in a Tertiary Teaching Hospital in Malaysia.

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An Overview of Macrolide Resistance in Streptococci: Prevalence, Mobile Elements and Dynamics.

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Macrolide Resistance in .

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