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Two Cases of Posttraumatic Kosakonia Infection, Argentina, 2023
Emerging Infectious Diseases
|March 21, 2026
Summary
Genomic sequencing identified Kosakonia bacteria as the cause of two plant-associated infections in Argentina. This highlights the importance of whole-genome sequencing for discovering emerging pathogens.
Area of Science:
- Microbiology
- Genomics
- Plant Pathology
Background:
- Emerging bacterial pathogens pose a growing threat to agriculture and human health.
- Accurate identification of pathogens is critical for effective disease management and treatment.
Purpose of the Study:
- To identify the causative agents of two unusual post-traumatic infections associated with plants in Argentina.
- To evaluate the utility of whole-genome sequencing in pathogen identification when traditional methods are insufficient.
Main Methods:
- Whole-genome sequencing was employed to analyze bacterial isolates.
- Biochemical tests and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) were initially used but showed limitations.
Main Results:
- Whole-genome sequencing successfully identified Kosakonia cowanii and Kosakonia oryzae as the responsible pathogens.
- The study demonstrated the limitations of conventional methods in identifying these specific Kosakonia species.
Conclusions:
- Genomics is essential for the accurate identification of emerging pathogens like Kosakonia species.
- Kosakonia cowanii and Kosakonia oryzae are identified as significant emerging plant-associated pathogens in Argentina.
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