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Antibiotic resistance profiles of Escherichia coli isolated from the floating islands and water of Çat Dam Lake, Adiyaman, Turkey

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Title Antibiotic resistance profiles of Escherichia coli isolated from the floating islands and water of Çat Dam Lake, Adiyaman, Turkey
 
Creator Kayis, Fikret Büyükkaya
 
Subject Antibiotic-resistance genes
Aquatic pollution
Artificial floating ecosystem
Bacterial identification
Multiple antibiotic resistance (MAR)
Soil
 
Description 49-55
Antibiotics, metabolites of the antibiotics, and resistant bacteria reach the aquatic environment through treated and
untreated sewage, hospital waste, aquaculture discharges and agricultural irrigation. Therefore, aquatic environments have a
significant role in spreading the antibiotic-resistance genes. The current study demonstrates the prevalence of antibioticresistant
bacteria in surface water and floating islands of Çat Dam Lake, Adiyaman, Turkey. A total of 79 E. coli colonies
were isolated from Çat Dam Lake water samples and the floating islands, of which 36 were from the first period (August
2021), 28 were from the second period (November 2021), and 15 were from the third period (May 2022), which were also
confirmed as E. coli by polymerase chain reaction (PCR). The confirmed isolates were tested for susceptibility using the
EUCAST protocol. The results showed that the prevalence of resistance to erythromycin (E), ceftaroline (CPT) and
cefazolin (CZ) was significantly higher than other tested antibiotics. In total, 96.2% of the isolated bacteria from all three
periods were resistant to E, 77.21% to CPT and 48.1% to CZ, 12.65% to tetracycline (TE), 8.86% to cefuroxime (CXM),
6.32% to chloramphenicol (C) and cefotaxime (CTX), 2.53% to cefepime (FEP) and 1.26% to imipenem (IPM) and
gentamicin (CN). Thirteen (16.5%) isolates were found with a high multiple antibiotic resistance (MAR) index. The
observed MAR index could be due to the contamination of water sources with antibiotics used in the surrounding areas. It
throws a potential risk to the local population from antimicrobial-resistant infections that can lead to serious side effects
such as organ failures.
 
Date 2023-12-26T11:20:24Z
2023-12-26T11:20:24Z
2023-12
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscpr.res.in/handle/123456789/63087
https://doi.org/10.56042/ijeb.v62i01.4679
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJEB Vol.62(01) [Jan 2024]