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New Erwinia-like organism causing cervical lymphadenitis
Sang Yop Shin1, Mi Young Lee, Jae-Hoon Song
1Division of Infectious Diseases, Cheju National University Hospital, Cheju National University School of Medicine, Jeju, Korea.
Journal of Clinical Microbiology
|July 11, 2008
Summary
A novel Erwinia species caused cervical lymphadenitis, a first-time occurrence. Genetic analysis identified the bacteria, distinguishing it from known Erwinia species through unique traits.
Area of Science:
- Microbiology
- Infectious Diseases
- Bacteriology
Background:
- Cervical lymphadenitis is commonly caused by bacterial infections.
- Accurate identification of bacterial pathogens is crucial for effective treatment.
Observation:
- A patient presented with cervical lymphadenitis.
- An unusual Erwinia-like organism was isolated from the affected lymph node.
Findings:
- Initial Vitek 2 assessment suggested Pantoea sp.
- 16S rRNA gene sequencing definitively identified the isolate as a novel member of the genus Erwinia.
- The organism showed 98.9% 16S rRNA gene sequence similarity to Erwinia tasmaniensis.
- Phenotypic characteristics differentiated this isolate from other known Erwinia species.
Implications:
- This case expands the known spectrum of human pathogens within the Erwinia genus.
- Highlights the importance of advanced molecular techniques for accurate bacterial identification.
- May necessitate updates in diagnostic and treatment protocols for cervical lymphadenitis.
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