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ArticleNaunyn-Schmiedeberg's archives of pharmacology2026

Genetic diversity and antimicrobial resistance of clinical Acinetobacter baumannii isolates: insights from ERIC typing.

Nader Nasrabadi, Mohamad Reza Sharif, Zeynab Marzehossaini, Somayeh Rashki, Maryam Kopai, Hossein Akbari, Mitra Motallebi

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Article in Naunyn-Schmiedeberg's archives of pharmacology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Nader NasrabadiInfectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran.
Mohamad Reza SharifInfectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran.
Zeynab MarzehossainiDepartment of Paramedicine, Amol School of Paramedical Sciences, Mazandaran University of Medical Sciences, Mazandaran, Iran.
Somayeh RashkiDepartment of Laboratory Sciences, Sirjan School of Medical Sciences, Sirjan, Iran.
Maryam KopaiDepartment of Microbiology, Faculty of Medicine, Kashan University of Medical Sciences, Pezeshk Blvd, Qotbe Ravandi Blvd, Kashan, Iran.
Hossein AkbariDepartment of Epidemiology and Biostatistics, School of Health, Kashan University of Medical Sciences, Kashan, Iran.
Mitra MotallebiInfectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran. motallebi-m@kaums.ac.ir.

Funding

Kashan University of Medical Sciences 97208
6 · The paper itself

Abstract

Acinetobacter baumannii is a major nosocomial pathogen, and multidrug-resistant (MDR) and extensively drug-resistant (XDR) isolates pose a serious threat to healthcare systems worldwide. Genetic diversity among clinical isolates contributes to variable resistance profiles, complicating treatment strategies and infection control efforts. In this study, 102 non-duplicate A. baumannii isolates were collected over 1 year from Shahid Beheshti Hospital, Kashan, Iran, predominantly from bronchoalveolar lavage samples. Antimicrobial susceptibility testing revealed high resistance rates against piperacillin/tazobactam (93.1%), meropenem (93.1%), and ciprofloxacin (91.2%), while tobramycin retained the highest in vitro activity. ERIC-PCR genotyping identified 38 distinct genotypes clustered into five groups, with clusters I-IV representing major lineages. Cluster I exhibited significantly higher resistance to meropenem, tobramycin, gentamicin, and ciprofloxacin compared to other clusters (p < 0.05), and overall, 64.8% of isolates were closely related, indicating clonal dissemination within the hospital. These findings demonstrate the coexistence of multiple XDR lineages and highlight a strong association between clonal types and antimicrobial resistance patterns. Integrating molecular surveillance with antibiotic stewardship and infection control measures is essential to limit the spread of MDR and XDR A. baumannii in healthcare settings.

Indexed as

Acinetobacter baumanniiAcinetobacter InfectionsAnti-Bacterial AgentsDrug Resistance, Multiple, BacterialGenetic VariationGenotypeHumansIranMicrobial Sensitivity TestsAnti-Bacterial AgentsAcinetobacter baumanniiAntimicrobial resistanceERIC-PCRGenetic diversity

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.