ArticleBMC microbiology2025
Comprehensive molecular epidemiology of Acinetobacter baumannii from diverse sources in Nigeria.
Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Genomic and phylogenomic analyses reveal extensive diversity among soil-derived Acinetobacter baumannii isolates from Nigeria.Scientific reports · 2026Article
- Phenotypic and genotypic characterization ofOne health (Amsterdam, Netherlands) · 2026Article
- Multidrug resistant Acinetobacter baumannii shows epidemiology and transmission patterns in a China tertiary hospital ICU.Scientific reports · 2026Article
- Multidrug-Resistant Pathogen Clonal Spread in Nigeria: A Systematic Review and Meta-Analysis.Health science reports · 2026Review
- Comprehensive in silico analysis of Acinetobacter isolates from South Korea reveals genomic diversity, antimicrobial resistance, virulence factors, and evolutionary dynamics.Genes & genomics · 2026Article
- Mobilome-driven antimicrobial resistance in a one health context: evidence and lessons from Africa.Frontiers in veterinary science · 2026Review
- Resistome, virulome and genomic insights into the silent dissemination ofFrontiers in cellular and infection microbiology · 2026Article
- A Monitoring Method to Evaluate the Accumulation of Antimicrobial-Resistance Genes in Gram-Negative Bacteria Distributed in Environmental Water.Environmental microbiology reports · 2025Article
- Comparative genomics of carbapenem-resistantMicrobiology spectrum · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAcinetobacter baumannii, a Gram-negative bacterium, is a public health threat due to its role in nosocomial infections and increasing antibiotic resistance. In Nigeria, data on the molecular epidemiology of A. baumannii is scarce. This study investigates the genetic diversity and the presence of antimicrobial resistance determinants and virulence-related genes in whole-genome sequencing data of 189 Nigerian A. baumannii isolates deposited in public repositories. Genotypes were determined in-silico by multilocus sequence typing (MLST) and core genome MLST (cgMLST). Further, antimicrobial resistance (AMR) and virulence-related genes were analyzed.
resultsMost isolates (57.67%) originated from South-west Nigeria. Isolates of human origin accounted for 33.86%, while environmental sources comprised 6.87%, and 59.27% lacked information on the source of isolation. The cgMLST analysis revealed a multitude of genomic lineages circulating in Nigeria. The MLST Oxford scheme identified 44 sequence types (STs) in 62.96% of strains, with ST1089 being the most prevalent. The MLST Pasteur could assign 95.77% of strains to 49 STs, with ST2(IC2) and ST85(IC9) being the most dominant. Antimicrobial resistance analysis detected 168 genes encoding resistance to 12 antibiotic classes, with cephalosporin, carbapenem, and aminoglycoside resistance genes being the most prevalent. Notably, bla
conclusionThis study highlights the diversity in AMR and virulence genes of A. baumannii in Nigeria, emphasizing the need for ongoing genomic surveillance to inform infection control and develop antibiotic resistance management strategies.
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