NDLI: Antibiotic Resistance and intI1 Carriage in Waterborne Enterobacteriaceae

Content Provider	Springer Nature Link
Author	Farkas, Anca Bocoş, Brînduşa Butiuc Keul, Anca
Copyright Year	2016
Abstract	The spread of antimicrobial resistance (AMR) is a global concern, high research priority being given to the environmental contamination, as the prevalence of organisms exhibiting AMR continues to increase. Multiresistant bacteria carrying different mobile genetic elements have been detected in sites with different degrees of urbanization, surface waters receiving insufficiently treated effluents being at high risk. The aim of the present study was to investigate the loads, antibiotic susceptibility, and class 1 integron carriage of Enterobacteriaceae isolated from surface waters and wastewaters around a large Romanian city. Searching for a valuable genetic marker of the displayed antibiotic resistance, the link between the AMR and the presence of int1I gene was explored in a total of 166 waterborne strains. Overall, amoxicillin-clavulanate resistance displayed the highest frequency (71.1 %), followed by ampicillin (63.9 %), cefuroxime (21.1 %), ciprofloxacin (17.5 %), cefotaxime (15.7 %), ceftriaxone (10.8 %), and gentamicin (6.6 %). The frequencies of isolates resistant to ampicillin, amoxicillin-clavulanate, ciprofloxacin, and gentamicin and also the prevalence of multiresistant strains were greater in surface waters, compared to wastewaters. The Int1I gene was detected in 21.7 % waterborne Enterobacteriaceae. A decrease in coliform counts and intI1-bearing cells, but a general increase in AMR and multiresistant bacteria, occurred during the wastewater treatment. A weak positive correlation was found between multidrug resistance int1I carriage in wastewater effluent but no sufficient evidence of a linkage between phenotypic AMR and int1I, overall. The presence of class 1 integron can be associated with anthropogenic influence, but the simple detection of intI1 gene cannot explain the complex antibiotic resistance phenotype.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	227
Issue Number	7
e-ISSN	15732932
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-07-01
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antibiotic resistance intI1 Aquatic environment Wastewater Enterobacteriaceae Environment Water Quality/Water Pollution Atmospheric Protection/Air Quality Control/Air Pollution Soil Science & Conservation Hydrogeology Climate Change/Climate Change Impacts
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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