Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran

Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequ...
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Autor*in:	Mahdi Arab Zoozani [verfasserIn] Ezzat Allah Ghaemi [verfasserIn] Ailar Jamalli [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	Escherichia coli urinary tract infection AmpC β-lactamase

Übergeordnetes Werk:	In: Journal of Clinical and Basic Research - Golestan University Of Medical Sciences, 2018, 1(2017), 4, Seite 8
Übergeordnetes Werk:	volume:1 ; year:2017 ; number:4 ; pages:8

Links:	Link aufrufen Link aufrufen Journal toc Journal toc

Katalog-ID:	DOAJ042414199

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520			\|a Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average.
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allfields	(DE-627)DOAJ042414199 (DE-599)DOAJ60b6187388014c4c8aaed7e949b62b2e DE-627 ger DE-627 rakwb eng RC31-1245 Mahdi Arab Zoozani verfasserin aut Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average. Escherichia coli urinary tract infection AmpC β-lactamase Internal medicine Ezzat Allah Ghaemi verfasserin aut Ailar Jamalli verfasserin aut In Journal of Clinical and Basic Research Golestan University Of Medical Sciences, 2018 1(2017), 4, Seite 8 (DE-627)1692698583 25383736 nnns volume:1 year:2017 number:4 pages:8 https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e kostenfrei http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2017 4 8
spelling	(DE-627)DOAJ042414199 (DE-599)DOAJ60b6187388014c4c8aaed7e949b62b2e DE-627 ger DE-627 rakwb eng RC31-1245 Mahdi Arab Zoozani verfasserin aut Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average. Escherichia coli urinary tract infection AmpC β-lactamase Internal medicine Ezzat Allah Ghaemi verfasserin aut Ailar Jamalli verfasserin aut In Journal of Clinical and Basic Research Golestan University Of Medical Sciences, 2018 1(2017), 4, Seite 8 (DE-627)1692698583 25383736 nnns volume:1 year:2017 number:4 pages:8 https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e kostenfrei http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2017 4 8
allfields_unstemmed	(DE-627)DOAJ042414199 (DE-599)DOAJ60b6187388014c4c8aaed7e949b62b2e DE-627 ger DE-627 rakwb eng RC31-1245 Mahdi Arab Zoozani verfasserin aut Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average. Escherichia coli urinary tract infection AmpC β-lactamase Internal medicine Ezzat Allah Ghaemi verfasserin aut Ailar Jamalli verfasserin aut In Journal of Clinical and Basic Research Golestan University Of Medical Sciences, 2018 1(2017), 4, Seite 8 (DE-627)1692698583 25383736 nnns volume:1 year:2017 number:4 pages:8 https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e kostenfrei http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2017 4 8
allfieldsGer	(DE-627)DOAJ042414199 (DE-599)DOAJ60b6187388014c4c8aaed7e949b62b2e DE-627 ger DE-627 rakwb eng RC31-1245 Mahdi Arab Zoozani verfasserin aut Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average. Escherichia coli urinary tract infection AmpC β-lactamase Internal medicine Ezzat Allah Ghaemi verfasserin aut Ailar Jamalli verfasserin aut In Journal of Clinical and Basic Research Golestan University Of Medical Sciences, 2018 1(2017), 4, Seite 8 (DE-627)1692698583 25383736 nnns volume:1 year:2017 number:4 pages:8 https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e kostenfrei http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2017 4 8
allfieldsSound	(DE-627)DOAJ042414199 (DE-599)DOAJ60b6187388014c4c8aaed7e949b62b2e DE-627 ger DE-627 rakwb eng RC31-1245 Mahdi Arab Zoozani verfasserin aut Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average. Escherichia coli urinary tract infection AmpC β-lactamase Internal medicine Ezzat Allah Ghaemi verfasserin aut Ailar Jamalli verfasserin aut In Journal of Clinical and Basic Research Golestan University Of Medical Sciences, 2018 1(2017), 4, Seite 8 (DE-627)1692698583 25383736 nnns volume:1 year:2017 number:4 pages:8 https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e kostenfrei http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei https://doaj.org/toc/2538-3736 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2017 4 8
language	English
source	In Journal of Clinical and Basic Research 1(2017), 4, Seite 8 volume:1 year:2017 number:4 pages:8
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authorswithroles_txt_mv	Mahdi Arab Zoozani @@aut@@ Ezzat Allah Ghaemi @@aut@@ Ailar Jamalli @@aut@@
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callnumber-first	R - Medicine
author	Mahdi Arab Zoozani
spellingShingle	Mahdi Arab Zoozani misc RC31-1245 misc Escherichia coli misc urinary tract infection misc AmpC β-lactamase misc Internal medicine Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
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topic_title	RC31-1245 Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran Escherichia coli urinary tract infection AmpC β-lactamase
topic	misc RC31-1245 misc Escherichia coli misc urinary tract infection misc AmpC β-lactamase misc Internal medicine
topic_unstemmed	misc RC31-1245 misc Escherichia coli misc urinary tract infection misc AmpC β-lactamase misc Internal medicine
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title	Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
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title_full	Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
author_sort	Mahdi Arab Zoozani
journal	Journal of Clinical and Basic Research
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author_browse	Mahdi Arab Zoozani Ezzat Allah Ghaemi Ailar Jamalli
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author-letter	Mahdi Arab Zoozani
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title_sort	frequency of ampc β-lactamase resistance in escherichia coli isolates from urinary tract infections in gorgan, iran
callnumber	RC31-1245
title_auth	Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
abstract	Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average.
abstractGer	Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average.
abstract_unstemmed	Introduction: AmpC β-lactamases are among the most important cephalosporinases. Production of AmpC β-lactamase in microorganisms is often associated with multidrug resistance and limited treatment options. This study aimed to determine antimicrobial susceptibility pattern and frequency of AmpC β-lactamase genes in Escherichia coli strains isolated from urinary tract infections. Materials and Methods: The study included 154 E. coli isolates from urine samples of patients in medical centers of Gorgan, Iran. Cefoxitin-resistance was evaluated by the Kirby-Bauer method. Cefoxitin-resistant strains were evaluated using cefoxitin disks alone and combined with boronic acid to confirm presence of AmpC β-lactamase. Presence of MOX gene was investigated by polymerase chain reaction. Results: Among the 154 E. coli isolates, 37 (24%) were cefoxitin-resistant, 16 of which were found to be AmpC β-lactamase-positive in the phenotypic test. In addition, the MOX gene was found in two isolates. Conclusions: The frequency of AmpC β-lactamase-producing E. coli and MOX gene in Gorgan is close to the regional and national average.
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title_short	Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
url	https://doaj.org/article/60b6187388014c4c8aaed7e949b62b2e http://jcbr.goums.ac.ir/browse.php?a_code=A-10-60-4&slc_lang=en&sid=1 https://doaj.org/toc/2538-3736
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up_date	2024-07-04T00:52:35.672Z
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