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Method comparison for Japanese encephalitis virus detection in samples collected from the Indo-Pacific region.


ABSTRACT:

Introduction

Japanese encephalitis virus (JEV) is a mosquito-borne viral pathogen, which is becoming a growing public health concern throughout the Indo-Pacific. Five genotypes of JEV have been identified. Current vaccines are based on genotype III and provide a high degree of protection for four of the five known genotypes.

Methods

RT-PCR, Magpix, Twist Biosciences Comprehensive Viral Research Panel (CVRP), and SISPA methods were used to detect JEV from mosquito samples collected in South Korea during 2021. These methods were compared to determine which method would be most effective for biosurveillance in the Indo-Pacific region.

Results

Our data showed that RT-PCR, Twist CVRP, and SISPA methods were all able to detect JEV genotype I, however, the proprietary Magpix panel was only able to detect JEV genotype III. Use of minION sequencing for pathogen detection in arthropod samples will require further method development.

Conclusion

Biosurveillance of vectorborne pathogens remains an area of concern throughout the Indo-Pacific. RT-PCR was the most cost effective method used in the study, but TWIST CVRP allows for the identification of over 3,100 viral genomes. Further research and comparisons will be conducted to ensure optimal methods are used for large scale biosurveillance.

SUBMITTER: Crispell G 

PROVIDER: S-EPMC9730272 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Method comparison for Japanese encephalitis virus detection in samples collected from the Indo-Pacific region.

Crispell Gary G   Williams Kelly K   Zielinski Eric E   Iwami Akira A   Homas Zachary Z   Thomas Karen K  

Frontiers in public health 20221124


<h4>Introduction</h4>Japanese encephalitis virus (JEV) is a mosquito-borne viral pathogen, which is becoming a growing public health concern throughout the Indo-Pacific. Five genotypes of JEV have been identified. Current vaccines are based on genotype III and provide a high degree of protection for four of the five known genotypes.<h4>Methods</h4>RT-PCR, Magpix, Twist Biosciences Comprehensive Viral Research Panel (CVRP), and SISPA methods were used to detect JEV from mosquito samples collected  ...[more]

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