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In silico pathogenomics of draft metagenome-assembled genome of gut Enterobacter cloacae from a gastroenteritis patient exhibiting potential determinants of multi-drug resistance and virulence #MMPMID41361579
Anunobi OO; Abiola RB; Ogah CF
Antonie Van Leeuwenhoek 2025[Dec]; 119 (1): 6 PMID41361579show ga
Antimicrobial resistance (AMR) is considered one of the top 10 threats to global public health and development. Opportunistic bacteria such as Enterobacter cloacae have been reported to acquire resistance determinants, making them pathogenic reservoirs and a threat to health and most are on the path of becoming superbugs. These bacteria are commonly isolated along with pathogens from the stool and urine of patients diagnosed with typhoid fever, paratyphoid fever, gastroenteritis, urinary tract infection, and bloodstream infection or sepsis. The E. cloacae strain EC78 studied here is a metagenomic-assembled genome that was binned from sequenced data of a mixed bacterial culture taken from a patient diagnosed with gastroenteritis. The isolate was sequenced with Illumina Novaseq 6000 platform and analysed with various bioinformatics tools. EC78 origin strain contained antibiotics resistance genes, insertion sequences, phages, and virulence factors. Notable virulence genes responsible for immune modulation, efflux of drugs, invasion and nutritional virulence previously reported in Klebsiella pneumoniae., Escherichia coli, Shigella sp., and Salmonella sp. etc., were identified in EC78. Genetic characteristics that could contribute to pathogenicity, virulence, and antibiotic resistance, not commonly associated with E. cloacae, were identified in gut-domiciled EC78, suggesting the evolution of counter-therapy in the bacteria, probably driven by its quest for survival in an otherwise competitive biome.
Antonie+Van+Leeuwenhoek 2025 ; 119 (1): 6
