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Article

Antimicrobial Resistance and Incidence of Integrons in Aeromonas Species Isolated from Diseased Freshwater Animals and Water Samples in Iran

1
Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran 1435916471, Iran
2
Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz 7144169155, Iran
*
Authors to whom correspondence should be addressed.
Received: 13 September 2019 / Revised: 17 October 2019 / Accepted: 17 October 2019 / Published: 28 October 2019
(This article belongs to the Special Issue Antimicrobial Resistance in Gram-negative Bacteria)
Aeromonas spp. is one of the major pathogens of freshwater animals. There has been little research on the genetics of antimicrobial resistance associated with it in Iranian aquaculture. To remedy this lack in research, 74 multi-drug-resistant Aeromonas spp. were isolated from farmed diseased carp, trout, sturgeon, ornamental fish, crayfish, and corresponding water samples and examined for genomic integron sequences. Class 1 integrons, containing seven types of integron cassette arrays (dfrA1-aadA1, dfrA1-orfC, dfrA12-aadA2, dfrA12-orfF-aadA2, dfrA15, dfrB4-catB3-aadA1, aac(6’)-Ib-cr-arr3-dfrA27) were found in 15% of the resistant isolates; no class 2 integrons were detected in any of the resistant isolates. As some tested isolates were resistant to more than two groups of antibiotics, our results demonstrated that freshwater animals in Iran could be a source of multiply drug-resistant Aeromonas spp. This finding suggests that the origin of the antimicrobial resistance of these animals be placed under increased surveillance in the future and that the use of antimicrobials be limited in aquaculture. View Full-Text
Keywords: Aeromonas; multidrug resistance; integrons; mreshwater animal Aeromonas; multidrug resistance; integrons; mreshwater animal
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MDPI and ACS Style

Ranjbar, R.; Salighehzadeh, R.; Sharifiyazdi, H. Antimicrobial Resistance and Incidence of Integrons in Aeromonas Species Isolated from Diseased Freshwater Animals and Water Samples in Iran. Antibiotics 2019, 8, 198. https://0-doi-org.brum.beds.ac.uk/10.3390/antibiotics8040198

AMA Style

Ranjbar R, Salighehzadeh R, Sharifiyazdi H. Antimicrobial Resistance and Incidence of Integrons in Aeromonas Species Isolated from Diseased Freshwater Animals and Water Samples in Iran. Antibiotics. 2019; 8(4):198. https://0-doi-org.brum.beds.ac.uk/10.3390/antibiotics8040198

Chicago/Turabian Style

Ranjbar, Reza, Reza Salighehzadeh, and Hassan Sharifiyazdi. 2019. "Antimicrobial Resistance and Incidence of Integrons in Aeromonas Species Isolated from Diseased Freshwater Animals and Water Samples in Iran" Antibiotics 8, no. 4: 198. https://0-doi-org.brum.beds.ac.uk/10.3390/antibiotics8040198

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