Identification and antibiotic pattern analysis of bacillary dysentery causing bacteria isolated from stool samples of infected patients

Huq, Abul Fazel Mohammad Aminul and Biswas, Sudhangshu Kumar and Sheam, Mohammad Moinuddin and Syed, Shifath Bin and Elahi, Mohammad Toufiq and Tang, Swee Seong and Rahman, Mohammad Mizanur and Roy, Apurba Kumar and Paul, Dipak Kumar (2023) Identification and antibiotic pattern analysis of bacillary dysentery causing bacteria isolated from stool samples of infected patients. Biologia, 78 (3). pp. 873-885. ISSN 0006-3088, DOI https://doi.org/10.1007/s11756-022-01299-x.

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Abstract

Bacillary dysentery is a type of dysentery and a severe form of shigellosis. This dysentery is usually restricted to Shigella infection, but Salmonella enterica and enteroinvasive Escherichia coli strains are also known as this infection's causative agents. The emergence of drug-resistant, bacillary dysentery-causing pathogens is a global burden, especially for developing countries with poor hygienic environments. This study aimed to isolate, identify, and determine the drug-resistant pattern of bacillary dysentery-causing pathogens from the stool samples of the Kushtia region in Bangladesh. Hence, biochemical tests, serotyping, molecular identification, and antibiotic profiling were performed to characterize the pathogens. Among one hundred fifty (150) stool samples, 18 enteric bacterial pathogens were isolated and identified, where 12 were Shigella strains, 5 were S. enterica sub spp. enterica strains and one was the E.coli strain. Among 12 Shigella isolates, 8 were Shigella flexneri 2a serotypes, and 4 were Shigella sonnei Phage-II serotypes. Except for three Salmonella strains, all isolated strains were drug-resistant (83%), whereas 50% were multidrug-resistant (MDR), an alarming issue for public health. In antibiotic-wise analysis, the isolated pathogens showed the highest resistance against nalidixic acid (77.78%), followed by tetracycline (38.89%), kanamycin (38.89%), amoxicillin (27.78%), streptomycin (27.78%), cefepime (22.22%), ceftriaxone (22.22%), ampicillin (16.67%), ciprofloxacin (16.67%), and chloramphenicol (16.67%). The existence of MDR organisms that cause bacillary dysentery in the Kushtia area would warn the public to be more health conscious, and physicians would administer medications cautiously. The gradual growth of MDR pathogenic microorganisms needs immediate attention, and the discovery of effective medications must take precedence.

Item Type: Article
Funders: None
Uncontrolled Keywords: Bacillary dysentery; Serotyping; Molecular identification; Drug-resistance pattern; Antibiotic resistance
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms Zaharah Ramly
Date Deposited: 29 Nov 2023 07:11
Last Modified: 29 Nov 2023 07:11
URI: http://eprints.um.edu.my/id/eprint/39196

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