Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus
Sedek, A., Abd El Tawab, A., El-Hofy, F., El-Gohary, M. (2020). Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus. EKB Journal Management System, 38(2), 131-135. doi: 10.21608/bvmj.2020.29323.1205
Amany A. Sedek; Ashraf A. Abd El Tawab; Fatma I El-Hofy; Mohamed S. El-Gohary. "Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus". EKB Journal Management System, 38, 2, 2020, 131-135. doi: 10.21608/bvmj.2020.29323.1205
Sedek, A., Abd El Tawab, A., El-Hofy, F., El-Gohary, M. (2020). 'Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus', EKB Journal Management System, 38(2), pp. 131-135. doi: 10.21608/bvmj.2020.29323.1205
Sedek, A., Abd El Tawab, A., El-Hofy, F., El-Gohary, M. Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus. EKB Journal Management System, 2020; 38(2): 131-135. doi: 10.21608/bvmj.2020.29323.1205

Antibiotic resistance genes of Edwardesiella tarda isolated from Oreochromis niloticus and Claris gariepinus

Benha Veterinary Medical Journal
Article 26, Volume 38, Issue 2, September 2020, Page 131-135  XML PDF (139.7 K)
Document Type: Original Article
DOI: 10.21608/bvmj.2020.29323.1205
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Authors
Amany A. Sedek email 1; Ashraf A. Abd El Tawab2; Fatma I El-Hofy3; Mohamed S. El-Gohary4
1Unit of Bacteriology, Kaferelsheikh branch, Animal Health Research Institute (AHRI), Ministry of Agriculture, Egypt.
2Department of Bacteriology, Immunology and Mycology, Faculty of Veterinary Medicine, Benha University, Egypt
3Bacteriology, Immunology, and Mycology, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
4Unit of Fish Diseases, Kaferelsheikh branch, Animal Health Research Institute (AHRI), Ministry of Agriculture, Egypt
Abstract
Frequent use of antimicrobial agents may result in bacterial generation resistant to multiple antibiotics that affect on public health hazard. Our Study aimed to isolation of Edwardesiella species from fresh Oreochromis niloticus and Claris gariepinus(50 of each ) which were collected from fish farms and markets in Kafrelsheikh governorate. Atotal of 450 tissue samples involving liver, kidney, spleen, intestine from both fish species and gills from O. niloticus. Isolation and identification of the bacterial pathogens by traditional methods then antibiotic sensitivity test and resistance gene were detected. 23 isolates were obtained and distribution of Edwardesiella spp. among examined organs indicated that 9/100 (9%) isolates were detected from spleen, 6/100 (6%) from liver, 5/100 (5%) from intestine, 2/100 (2%) from kidney and 1/50 (2%) from gills. The predominant species were E. tarda so, 8 isolates were tested for 13antibiotic agents. The resistance were recorded in all 8 strains for Amoxicillin and Flumox, in 7 from 8 strains for Ampicillin, 6 from 8 for Cefotaxime, in 2 from 8 for Oxytetracycline and Streptomycin . Resistance profile genotypically in 3 isolates for β-lactamases( blaTEM, blaCTX) aminoglycosides (aada1)and tetracyclines (tetA(A))genes were 100% in all isolates. In conclusion presence of antibacterial resistance indicates misuse of antibacterial agents and affect on public health.
Keywords
E. tarda; beta lactamases; O. niloticus; resistance genes
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