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Emergence of High-level Gentamicin Resistance among Enterococci Clinical Isolates from Burn Patients in South-west of Iran: Vancomycin Still Working Cover

Emergence of High-level Gentamicin Resistance among Enterococci Clinical Isolates from Burn Patients in South-west of Iran: Vancomycin Still Working

Open Access
|Dec 2018

Figures & Tables

Table I

Primers used in this study.

Target geneOligonucleotide sequences (5’-3’)Size of product (bp)Reference
van AGGGAAAACGACAATTGC GTACAATGCGGCCGTTA732Dutka-Malen et al. 1995
vanBATG GGA AGC CGA TAG TC GAT TTC GTT CCT CGA CC638Dutka-Malen et al. 1995
vanCAAT CGT CAA TTC CTG CAT GT TAA TCG TGG AAT ACG GGT TTG299Dutka-Malen et al. 1995
aac(6’)-Ie aph(2’’)AGGAATTTATCGAAAATGGTAGAAAAG CACAATCGACTAAAGAGTACCAATC369Vakulenko et al. 2003
aph(3’)-IIIaGGCTAAAATGAGAATATCACCGG CTTTAAAAAATCATACAGCTCGCG523Vakulenko et al. 2003
ant(4’)-IaCAAACTGCTAAATCGGTAGAAGCC GGAAAGTTGACCAGACATTACGAACT294Vakulenko et al. 2003
Fig. 1.

Antibiotic resistance pattern of E. faecalis and E. faecium isolated in this study against eight antibacterial agents.

Table II

Frequency of vancomycin and gentamicin resistance genes among our local Enterococci isolates.

Genusvan geneGentamicin gene
vanAvanBvanA, vanBvanC3’4’6’3’ + 4’3’ + 6’4’ + 6’3’ + 4’ + 6’
E. faecalis143317486732664
E. faecium903248104265021
Total (n)233631221810997685

1 Abbreviations are as follows: 3: aph (3’)-III;, 4’: ant (4’)-I;, 6’: aac (6’)-Ie aph (2’’)

Table III

The association between presence of gentamicin resistance genes and MICs against gentamicin.

Gene targetMIC (µg/ml)
2565121024
E. faecalisE. faeciumE. faecalisE. faeciumE. faecalisE. faecium
Gentamicin resistance geneaph(3’)-IIIa003123
ant(4’)-Ia003100
aac(6’)-Ie aph(2’’)005222
DOI: https://doi.org/10.21307/pjm-2018-043 | Journal eISSN: 2544-4646 | Journal ISSN: 1733-1331
Language: English
Page range: 401 - 406
Submitted on: Mar 12, 2018
Accepted on: May 20, 2018
Published on: Dec 10, 2018
Published by: Polish Society of Microbiologists
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2018 MARYAM LABIBZADEH, GHOLAM ABBAS KAYDANI, MOHAMMAD SAVARI, ALIREZA EKRAMI, published by Polish Society of Microbiologists
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.