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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2017, 38 (4)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Prevalence of extended-spectrum β-lactamase producing Escherichia coli in seafood? from the retail fishery outlets of Veraval, Gujarat, India

 

G.K. Sivaraman1*, M.M. Prasad2,? A.K. Jha1, S. Visnuvinayagam3, V. Renuka1, S. Remya1, Y. Kriplani1 and D. Vanik1

1ICAR-Veraval Research Centre of Central Institute of Fisheries Technology, Veraval- 362 269, India

2Microbiology, Fermentation and Biotechnology Division, ICAR- Centre of Institute of Fisheries Technology, Cochin- 682 029, India

3ICAR- Mumbai Research Centre of Institute of Fisheries Technology, Navi Mumbai- 400 703, India

*Corresponding Author E-mail: gkshivraman@gmail.co

 

 

 

Key words

Antibiotic resistance,

Beta-lactamase,

Escherichia coli,

Multi drug resistance,

Seafood

 

 

 

Publication Data

Paper received : 26.05.2016

Revised received : 30.07.2016

Re-revised received : 09.11.2016

Accepted : 16.12.2016

 

Abstract

Aim: Profound and unregulated utilization of beta-lactam antibiotics for the treatment of various infections has lead to various bacteria being resistant against these antibiotics. E. coli is well known to produce extended, spectrum β- lactamase (ESBL) type of β- lactamase, which has the ability to hydrolyse the entire group of β- lactam antibiotics. Currently, reports on the occurrence of ESBL producing E. coli in seafood is meagre. Therefore, the objective of this study was to monitor the prevalence of multiple drug resistant (MDR) and ESBL producing E. coli in seafood in Veraval region of Gujarat.

 

Methodology: Identification and isolation of E. coli was carried out using ISO, 9308-1 method with minor modification. A 0.5 ml of serially diluted fish sample was spread on Tergitol-7 media (Oxoid, CM0793) and incubated at 35oC for 24 hrs. Typical flat, dry and yellow colonies with or without red tinge were further streaked on EMB plates and then subjected to IMViC and 20E BioMerieux identification kit. All the confirmed E. coli isolates were subjected to antimicrobial susceptibility testing, and Minimum Inhibitory Concentration (MIC) was determined.

 

Results: A total of 28 number of E. coli (approx 12%) isolates were identified from 238 fish samples. All these isolates were subjected to antimicrobial susceptibility testing and a higher rate of resistance was found with ampicillin (39.29%), trimethoprim/ sulfamethoxizole (32.14%), ciprofloxacin (28.57%) cefepime (17.86%) and cefuroxime (17.86%). All these isolates were sensitive to carbapenems and beta-lactam, beta-lactam inhibitors and aminoglucosides. Out of total 28, E. coli isolated (15.71%) eleven isolates were found to be multi-drug resistant and four (14.29%) isolates were ESBL producers

 

Interpretation: This study confirms the presence of hazardous MDR and ESBL producing E. coli in fish and fishery products in Veraval, Gujarat.

 

 

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