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34. Contributors

Author

Che, Hang Seng, primary, Hasanuzzaman, M., additional, Hussain, Fayaz, additional, Ilham, Nur Iqtiyani, additional, Islam, M.A., additional, Islam, M.M., additional, Kumar, Laveet, additional, Mamun, M.A.A., additional, Pandey, A.K., additional, Rahim, N.A., additional, Rahman, M. Zillur, additional, Sivasengaran, Ashvini Nair, additional, and Yanping, Yuan, additional

Published
2020
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46. Diversity of bacterial pathogens and their antimicrobial resistance profile among commensal rodents in Qatar

Author

Islam, M.M., Islam, Md Mazharul, Farag, Elmoubashar, Hassan, Mohammad Mahmudul, Enan, Khalid A., Mohammad Sabeel, K. V., Alhaddad, Maryam Mohammed, Smatti, Maria K., Al-Marri, Abdulla Mohammad, Al-Zeyara, Abdul Azia, Al-Romaihi, Hamad, Yassine, Hadi M., Sultan, Ali A., Bansal, Devendra, and Mkhize-Kwitshana, Zilungile

Subjects
Bacteria, General Veterinary, Rodentia, Microbial Sensitivity Tests, General Medicine, Antimicrobial resistance, Anti-Bacterial Agents, Commensal rodents, Gram-negative bacteria, Drug Resistance, Bacterial, Escherichia coli, Animals, Rickettsia, Qatar
Abstract

Rodents are sources of many zoonotic pathogens that are of public health concern. This study investigated bacterial pathogens and assessed their antimicrobial resistance (AMR) patterns in commensal rodents in Qatar. A total of 148 rodents were captured between August 2019 and February 2020, and blood, ectoparasites, and visceral samples were collected. Gram-negative bacteria were isolated from the intestines, and blood plasma samples were used to detect antibodies against Brucella spp., Chlamydophila abortus, and Coxiella burnetii. PCR assays were performed to detect C. burnetii, Leptospira spp., Rickettsia spp., and Yersinia pestis in rodent tissues and ectoparasite samples. Antimicrobial resistance by the isolated intestinal bacteria was performed using an automated VITEK analyzer. A total of 13 bacterial species were isolated from the intestine samples, namely Acinetobacter baumannii, Aeromonas salmonicida, Citrobacter freundii, Citrobacter koseri, Enterobacter aerogenes, Enterobacter cloacae, Escherichia coli, Hafnia alvei, Klebsiella pneumoniae, Providencia stuartii, Proteus mirabilis, Pseudomonas aeruginosa, and Salmonella enterica. The majority of them were E. coli (54.63%), followed by P. mirabilis (17.59%) and K. pneumoniae (8.33%). Most of the pathogens were isolated from rodents obtained from livestock farms (50.46%), followed by agricultural farms (26.61%) and other sources (22.94%). No antibodies (0/148) were detected against Brucella spp., C. abortus, or C. burnetii. In addition, 31.58% (6/19) of the flea pools and one (1/1) mite pool was positive for Rickettsia spp., and no sample was positive for C. burnetii, Leptospira spp., and Y. pestis by PCR. A total of 43 (38%) bacterial isolates were identified as multidrug resistant (MDR), whereas A. salmonicida (n = 1) did not show resistance to any tested antimicrobials. Over 50% of bacterial MDR isolates were resistant to ampicillin, cefalotin, doxycycline, nitrofurantoin, and tetracycline. The presence of MDR pathogens was not correlated with rodent species or the location of rodent trapping. Seven (11.86%) E. coli and 2 (22.2%) K. pneumoniae were extended-spectrum beta-lactamases (ESBL) producers. These findings suggest that rodents can be a source of opportunistic bacteria for human and animal transmission in Qatar. Further studies are needed for the molecular characterization of the identified bacteria in this study.

Published
2022

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