Molecular identification of tetracycline resistance genes in Escherichia coli isolates from internal organs of swine sold on Abakaliki, Nigeria.
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| Názov: | Molecular identification of tetracycline resistance genes in Escherichia coli isolates from internal organs of swine sold on Abakaliki, Nigeria. |
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| Autori: | Ugbo, Emmanuel Nnabuike1, Effendi, Mustofa Helmi2, Ugbo, Agatha Ifunanya3, Tyasningsih, Wiwiek4 wiwiek-t@fkh.unair.ac.id, Agumah, Bernard Nnabuife1, Raharjo, Hartanto Mulyo4, Khairullah, Aswin Rafif5, Ogba, Rebecca Chinenye6, Ekawasti, Fitrine5, Yanestria, Sheila Marty7, Moses, Ikechukwu Benjamin1, Riwu, Katty Hendriana Priscilia8 |
| Zdroj: | Open Veterinary Journal. 2025, Vol. 15 Issue 1, p171-178. 8p. |
| Druh dokumentu: | Article |
| Predmet: | Escherichia coli, Microbial sensitivity tests, Polymerase chain reaction, Erythromycin, Multidrug resistance, Tetracyclines |
| Author-Supplied Keywords: | E. coli Internal organs Public health Swine Tetracycline resistance genes |
| Abstrakt: | Background: Swine is one of the major sources of protein to humans worldwide; antimicrobial-resistant Escherichia coli has become a global public health challenge affecting both humans and livestock due to the presence of tetracycline resistance genes. Aim: This study focused on molecular identification of tetracycline resistance genes (tet A and B) in E. coli isolates from internal organs of swine sold in a slaughterhouse at Abakaliki, Ebonyi State, Nigeria. Methods: A total of 75 internal organs of swine samples were collected from slaughterhouses. Standard microbiological procedures were employed to evaluate the samples bacteriologically. Using the disk diffusion method, antibiotic susceptibility testing was conducted on E. coli against specific classes of antibiotics, and the multiple antibiotic resistance index was calculated. The polymerase chain reaction was utilized for the molecular identification of the tetracycline resistance genes, specifically tet A and B. Results: Out of the 75 samples analyzed, 24 of 75 were positive for E. coli with an overall prevalence of 24/75 (32.0%). The small intestine and colon had higher percentages of E. coli isolates 6/15 (40.0%). However, E. coli isolates were resistant to erythromycin, tetracycline, and ampicillin which ranged from 20.0% to 75.0%, and susceptible to gentamycin and ciprofloxacin at a range of 75.0%-100.0%. Exactly, 8 (33.3%) isolates were both multidrug and tetracycline-resistant. The presence of tet A 6/8 (75.0%), tet B 5/8 (62.5%), and tet A and B 4/8 (50.0%) was reported. Conclusion: Multidrug and tetracycline resistance genes have been observed in E. coli isolated from internal organs of swine and are of public health concern. [ABSTRACT FROM AUTHOR] |
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| Author Affiliations: | 1Department of Applied Microbiology, Faculty of Science, Ebonyi State University, Abakaliki, Nigeria 2Division of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia 3Department of Microbiology and Parasitology, David Umahi Federal University of Health Sciences, Uburu, Ebonyi State, Nigeria 4Division of Veterinary Microbiology, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia 5Research Center for Veterinary Science, National Research and Innovation Agency (BRIN), Bogor, Indonesia 6Department of Science Laboratory Technology, Federal Polytechnic Ohodo, Enugu State, Nigeria 7Faculty of Veterinary Medicine, Universitas Wijaya Kusuma Surabaya, Surabaya, Indonesia 8Department of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Pendidikan Mandalika, Mataram, Indonesia |
| ISSN: | 2226-4485 |
| DOI: | 10.5455/OVJ.2025.v15.i1.16 |
| Prístupové číslo: | 183449081 |
| Databáza: | Veterinary Source |
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