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Acinetobacter junii: an emerging One Health pathogen
Alejandro Aguilar-Vera1, Elena Bello-López1, Gabriel Iván Pantoja-Nuñez2
1Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, México.
Acinetobacter junii, an understudied pathogen, has spread globally and is found in both humans and animals. Some strains carry crucial antibiotic resistance genes, highlighting a One Health concern.
Area of Science:
- Microbiology
- Genomics
- Epidemiology
Background:
- Acinetobacter junii is an opportunistic pathogen in humans and animals, yet it remains understudied.
- While Acinetobacter baumannii is well-known, other Acinetobacter species may also pose significant health risks.
Purpose of the Study:
- To conduct the largest genomic epidemiological study of Acinetobacter junii to date.
- To investigate the global spread and transmission dynamics of A. junii between human and non-human hosts.
Main Methods:
- Genomic sequencing and phylogenetic analysis of A. junii isolates.
- Comparative analysis of human and non-human isolates to assess genetic relatedness.
Main Results:
- Acinetobacter junii has a global distribution.
- Human and non-human isolates of A. junii are not always well-differentiated, suggesting inter-species transmission.
- Clinically relevant antibiotic resistance genes were found in both human and non-human isolates, with some located on plasmids.
Conclusions:
- Acinetobacter junii should be recognized as an emerging One Health issue.
- Future research should include environmental and animal reservoirs in molecular epidemiology studies of A. junii.
- The findings support considering A. junii as a pathogen relevant to both human and veterinary medicine.
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