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63654

Macrolide resistance pattern of staphylococci collected from hospitalized patients in Egypt

Article

Last updated: 22 Jan 2023

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Abstract

Macrolide resistance of staphylococci has risen dramatically in recent years generating a real challenge for their treatment as therapeutic options have become very limited. In this study, an antibiogram analysis of one hundred and fifty Staphylococcus sp. isolates collected from various clinical specimens, against erythromycin, azithromycin, spiramycin, and clindamycin was carried out. Out of the 150 collected Staphylococcus sp. isolates, 54 isolates (36%) showed resistance to two or more of the tested macrolides. Inducible macrolide, lincosamides and streptogramin type B resistance phenotype (iMLS) using D-test was identified in 15 of the resistant isolates (27.8%). Molecular detection of major genes coding for macrolide resistance, including erythromycin ribosomal methylase (ermA and ermC), and macrolide-streptogramin resistance gene (msrA) was carried out using PCR. It was found that 51.8, 37.1 and 11.1% of the resistant isolates carried one, two and three types of the resistance genes, respectively. However, ermC was the most frequently occurring gene (81.5%), followed by the msrA gene (42.6%), then the ermA gene (35.2%). In conclusion, the genotypic analysis revealed that the majority of the tested isolates harbored two or more macrolide resistance-coding genes where 36% displayed resistance to at least two of the most common macrolide antibiotics used in the treatment of such important pathogens particularly in patients exhibiting hypersensitivity to penicillins according to several international guidelines. Therefore, it is crucial to carry out more epidemiologic studies to clearly understand the problem of increasing macrolide resistance among Staphylococci and to implement new guidelines for the treatment of such important pathogens, particularly in Egypt.

DOI

10.21608/aps.2019.17921.1015

Keywords

Macrolides, Staphylococci, cMLS phenotype, iMLS phenotype, erm, msr

Authors

First Name

Amr

Last Name

Bishr

MiddleName

-

Affiliation

Microbiology and Immunology department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt

Email

amrshaker8633@gmail.com

City

Cairo, Egypt

Orcid

-

First Name

Khaled

Last Name

Aboshanab

MiddleName

M.

Affiliation

Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt

Email

aboshanab2012@pharma.asu.edu.eg

City

Cairo

Orcid

0000-0002-7608-850X

First Name

Mahmoud

Last Name

Yassien

MiddleName

A.

Affiliation

Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt

Email

mahmoud.yassien@pharma.asu.edu.eg

City

Cairo, Egypt

Orcid

-

First Name

Nadia

Last Name

Hassouna

MiddleName

A.

Affiliation

Microbiology and Immunology Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt

Email

nadiahassouna46@gmail.com

City

Cairo, Egypt

Orcid

-

Volume

3

Article Issue

2

Related Issue

9609

Issue Date

2019-06-01

Receive Date

2019-10-07

Publish Date

2019-12-01

Page Start

285

Page End

293

Print ISSN

2356-8380

Online ISSN

2356-8399

Link

https://aps.journals.ekb.eg/article_63654.html

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https://aps.journals.ekb.eg/service?article_code=63654

Order

11

Type

Original Article

Type Code

657

Publication Type

Journal

Publication Title

Archives of Pharmaceutical Sciences Ain Shams University

Publication Link

https://aps.journals.ekb.eg/

MainTitle

-

Details

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Article

Created At

22 Jan 2023