Evaluation of Antibiotic Resistance and Virulence Genes among Clinical Isolates of Pseudomonas aeruginosa from Cancer Patients

Naveed Ahmed and Zeshan Ali and Mahpara Riaz and Basit Zeshan and Javed Iqbal Wattoo and Muhammad Naveed Aslam (2020) Evaluation of Antibiotic Resistance and Virulence Genes among Clinical Isolates of Pseudomonas aeruginosa from Cancer Patients. Asian Pacific journal of cancer prevention: APJCP, 21. pp. 1333-1338. ISSN 2476-762X

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Objectives: The objectives of this study were to evaluate P. Aeruginosa isolates from cancer patients for the phenotypic pattern of antibiotic resistance and to detect the gene responsible for virulence as well as antibiotic resistance. Methods: A total of 227 P. aeruginosa isolates were studied and 11 antibiotics were applied for susceptibility testing. PCR detection of the genes BIC, TEM, IMP, SPM, AIM, KPC, NDM, GIM, VIM, OXA, toxA and oprI was done. Finally, the carbapenem resistant isolates were tested for phenotypic identification of carbapenemase enzyme by Modified Hodge test. Results: The results showed that the isolates were resistant to imipenem (95%), cefipime (93%), meropenem (90%), polymixin B (71%), gentamicin (65%), ciprofloxacin (48%), ceftazidime (40%), levofloxacin (39%), amikacin (32%), tobramycin (28%) and tazobactum (24%). The PCR detection of the carbapenem resistant genes showed 51% isolates were positive for IMP, GIM and VIM, 38% for AIM and SPM, 30% for BIC, 20% for TEM and NDM, 17% for KPC and 15% for OXA. However, toxA and oprI genes were not detected. 154 carbapenem resistant isolates were found positive phenotypically for carbapenemase enzyme identification by Modified Hodge test. Conclusion: The co-existence of multiple drug-resistant bodies and virulent genes has important implications for the treatment of patients. This study provides information about treating drug-resistant P. Aeruginosa and the relationship of virulent genes with phenotypic resistance patterns.

Item Type: Article
Keyword: P. aeruginosa , Virulent genes , Antibiotic resistance , Chemotherapy , Phenotypic characterization
Subjects: Q Science > QR Microbiology > QR1-502 Microbiology
R Medicine > RC Internal medicine > RC31-1245 Internal medicine > RC254-282 Neoplasms. Tumors. Oncology Including cancer and carcinogens
Department: FACULTY > Faculty of Sustainable Agriculture
Date Deposited: 16 Nov 2022 10:57
Last Modified: 16 Nov 2022 10:57
URI: https://eprints.ums.edu.my/id/eprint/34823

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