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Validating Whole Genome Nanopore Sequencing, using Usutu Virus as an Example
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Rapid Pathogen Detection in Infectious Uveitis Using Nanopore Metagenomic Next-Generation Sequencing: A Preliminary
Junwon Lee1, Han Jeong2,3, Hyun Goo Kang2
1Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
Ocular Immunology and Inflammation
|February 9, 2023
Summary
Nanopore metagenomic next-generation sequencing (NGS) offers a rapid and accurate diagnostic method for infectious uveitis. This advanced technique identifies pathogens more effectively and faster than traditional methods.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Genomics
Background:
- Infectious uveitis diagnosis relies on identifying causative pathogens.
- Conventional methods like cultures and PCR have limitations in speed and accuracy.
Purpose of the Study:
- To establish an accurate and rapid diagnostic method for pathogen detection in infectious uveitis.
- To evaluate nanopore metagenomic next-generation sequencing (NGS) for this purpose.
Main Methods:
- Prospective comparison of nanopore metagenomic NGS with conventional methods (cultures, PCR).
- Study included eight patients with suspected infectious uveitis.
- Assessed accuracy and time for pathogen identification.
Main Results:
- Nanopore sequencing identified all causative pathogens, surpassing conventional methods (5/8 patients).
- Significantly shorter turnaround time for nanopore sequencing (17h vs. 4 days) for bacterial/fungal infections (P=.028).
- Pathogen detection was successful even with suboptimal DNA quantity or quality.
Conclusions:
- Nanopore metagenomic NGS is a highly promising diagnostic tool for infectious uveitis.
- It provides rapid and accurate identification of causative pathogens.
- This method improves upon conventional diagnostic approaches.
