Genotyping Fusarium in Contact Lens Outbreak
Author Information
Author(s): Jureen Roland, Koh Tse H, Wang Grace, Chai Louis YA, Tan Ai L, Chai Tracy, Wong Yong W, Wang Yue, Tambyah Paul A, Beuerman Roger, Tan Donald
Primary Institution: Department of Laboratory Medicine, Alexandra Hospital, Singapore
Hypothesis
What is the genetic diversity of Fusarium isolates during a fungal keratitis outbreak?
Conclusion
The study found high genomic heterogeneity among the Fusarium isolates, indicating it was not a point source outbreak.
Supporting Evidence
- AFLP was the most discriminative typing scheme.
- The study included isolates from both eye-related and non-eye-related infections.
- There was a significant difference in grouping eye and non-eye related isolates.
Takeaway
Researchers looked at different ways to identify a fungus that caused eye infections from contact lenses, and they found a lot of different types of the fungus.
Methodology
The study used AFLP, Rep-PCR, and ERIC-PCR to assess genetic diversity and compare typing schemes.
Limitations
The ERIC-PCR method had low discriminatory power and did not distinguish between eye and non-eye isolates.
Participant Demographics
The study included 66 patients involved in the outbreak, primarily from Singapore.
Statistical Information
P-Value
p<0.05
Confidence Interval
0.98 ± 0.01 for AFLP, 0.91 ± 0.05 for Rep-PCR, 0.28 ± 0.14 for ERIC-PCR
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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