ArticleWorld journal of microbiology & biotechnology2025
Exploring the occurrence of Pseudomonas aeruginosa and comprehensive whole genome analysis of the bcsir_p4_s20 strain from municipal wastewater in Chattogram.
Article in World journal of microbiology & biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Comparative genomic analysis of clinical Pseudomonas aeruginosa isolates from Iraq: insights into genome diversity, antimicrobial resistance, and phylogenetic relatedness.Molecular biology reports · 2026Article
- Wastewater-based surveillance of ESKAPE pathogens in resource-limited countries (RLCs): an essential tool for monitoring antibiotic resistance.Environmental monitoring and assessment · 2026Review
- Mobilome-driven antimicrobial resistance in a one health context: evidence and lessons from Africa.Frontiers in veterinary science · 2026Review
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Authors and funding
6 authors.
Funding
Abstract
Various studies reported the existence of multidrug-resistant (MDR) Pseudomonas aeruginosa in environmental samples, including hospital wastewater, municipal wastewater, and surface water. In this study, we investigated the impact of untreated municipal wastewater transmitting antibiotic-resistant P. aeruginosa strains in wastewater networks of Chattogram City, Bangladesh, through antibiotic susceptibility profiles and whole-genome sequencing (WGS) of the MDR P. aeruginosa bcsir_p4_s20. Forty-two P. aeruginosa isolates were identified from eight locations using polymerase chain reaction (PCR), targeting the oprI and oprL genes, and antibiotic susceptibility was determined against 11 antibiotics by the disc diffusion method. Resistant isolates were identified at all locations, with the highest resistance frequency displayed towards meropenem, cefepime, and colistin. The WGS of bcsir_p4_s20 was performed using the NextSeq 2000 platform. Several bioinformatics tools, like FastQC, Trimmomatic, SPAdes, and Prokka, were used for quality evaluation, low-quality read and adapter filtration, de novo assembly, and functional annotation. Comprehensive Antibiotic Resistance Database (CARD), AMRFinderPlus, and virulence factor database (VFDB) were employed to determine resistance genes and virulence factors. The strain belongs to the O7 serogroup and sequence type ST357. The analysis identified antibiotic resistance genes (blaPDC-11, sul1, and others) that cause resistance through efflux pump and inactivation mechanisms, and virulent genes responsible for adherence (flagella, type IV pili), enzyme (phospholipase C), iron uptake (pyoverdine), secretion system (exoT, exoU), and toxin (toxA) secretion. Therefore, municipal wastewater is a potential reservoir for MDR P. aeruginosa, and establishing wastewater treatment plants (WWTPs) at the primary source points before discharging it to the wastewater network is suggested to mitigate the risk of outbreaks.
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Registered trials
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