The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea

Duck hepatitis A virus type 3 (DHAV-3) is a viral pathogen that causes acute, high-mortality hepatitis in ducklings, and vaccination with attenuated live vaccines is currently the main preventive measure against it. However, differentiating infected from vaccinated animals (DIVA) is crucial for clin...

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Main Authors: Cheng-Dong Yu, Jong-Yeol Park, Sang-Won Kim, Yu-Ri Choi, Se-Yeoun Cha, Hyung-Kwan Jang, Min Kang, Bai Wei
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Veterinary Sciences
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Online Access:https://www.mdpi.com/2306-7381/12/1/8
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author Cheng-Dong Yu
Jong-Yeol Park
Sang-Won Kim
Yu-Ri Choi
Se-Yeoun Cha
Hyung-Kwan Jang
Min Kang
Bai Wei
author_facet Cheng-Dong Yu
Jong-Yeol Park
Sang-Won Kim
Yu-Ri Choi
Se-Yeoun Cha
Hyung-Kwan Jang
Min Kang
Bai Wei
author_sort Cheng-Dong Yu
collection DOAJ
description Duck hepatitis A virus type 3 (DHAV-3) is a viral pathogen that causes acute, high-mortality hepatitis in ducklings, and vaccination with attenuated live vaccines is currently the main preventive measure against it. However, differentiating infected from vaccinated animals (DIVA) is crucial for clinical diagnosis and effective disease control. This study aimed to develop a rapid mismatch amplification mutation assay PCR (MAMA-PCR) diagnostic method to simultaneously detect and differentiate between wild-type and vaccine strains. The method was specifically designed to target the critical single-nucleotide polymorphism (SNP) site (T→C at position 1143 in the VP0 gene) unique to the Korean vaccine strain AP04203-P100. MAMA-PCR demonstrated high sensitivity and specificity, with detection limits as low as 10<sup>2.4</sup> ELD<sub>50</sub>/mL for wild strains and 10<sup>0.5</sup> ELD<sub>50</sub>/mL for vaccine strains, and showed no cross-reactivity with 11 other common duck pathogens. The clinical sample results were completely consistent with those obtained using nested PCR detection and gold-standard sequencing. In summary, we successfully developed a rapid, one-step MAMA-PCR method that is more suitable for clinical diagnosis than traditional sequencing methods.
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institution Kabale University
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spelling doaj-art-16021913cb08480bbe5e055fcf369af12025-01-24T13:51:58ZengMDPI AGVeterinary Sciences2306-73812024-12-01121810.3390/vetsci12010008The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in KoreaCheng-Dong Yu0Jong-Yeol Park1Sang-Won Kim2Yu-Ri Choi3Se-Yeoun Cha4Hyung-Kwan Jang5Min Kang6Bai Wei7Department of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDepartment of Avian Diseases, College of Veterinary Medicine and Center for Avian Disease, Jeonbuk National University, Iksan 54596, Republic of KoreaDuck hepatitis A virus type 3 (DHAV-3) is a viral pathogen that causes acute, high-mortality hepatitis in ducklings, and vaccination with attenuated live vaccines is currently the main preventive measure against it. However, differentiating infected from vaccinated animals (DIVA) is crucial for clinical diagnosis and effective disease control. This study aimed to develop a rapid mismatch amplification mutation assay PCR (MAMA-PCR) diagnostic method to simultaneously detect and differentiate between wild-type and vaccine strains. The method was specifically designed to target the critical single-nucleotide polymorphism (SNP) site (T→C at position 1143 in the VP0 gene) unique to the Korean vaccine strain AP04203-P100. MAMA-PCR demonstrated high sensitivity and specificity, with detection limits as low as 10<sup>2.4</sup> ELD<sub>50</sub>/mL for wild strains and 10<sup>0.5</sup> ELD<sub>50</sub>/mL for vaccine strains, and showed no cross-reactivity with 11 other common duck pathogens. The clinical sample results were completely consistent with those obtained using nested PCR detection and gold-standard sequencing. In summary, we successfully developed a rapid, one-step MAMA-PCR method that is more suitable for clinical diagnosis than traditional sequencing methods.https://www.mdpi.com/2306-7381/12/1/8duck hepatitis A virus type 3differentiating infected from vaccinated animalsmismatch amplification mutation assayrapid diagnostic
spellingShingle Cheng-Dong Yu
Jong-Yeol Park
Sang-Won Kim
Yu-Ri Choi
Se-Yeoun Cha
Hyung-Kwan Jang
Min Kang
Bai Wei
The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
Veterinary Sciences
duck hepatitis A virus type 3
differentiating infected from vaccinated animals
mismatch amplification mutation assay
rapid diagnostic
title The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
title_full The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
title_fullStr The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
title_full_unstemmed The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
title_short The Development of a One-Step PCR Assay for Rapid Detection of an Attenuated Vaccine Strain of Duck Hepatitis Virus Type 3 in Korea
title_sort development of a one step pcr assay for rapid detection of an attenuated vaccine strain of duck hepatitis virus type 3 in korea
topic duck hepatitis A virus type 3
differentiating infected from vaccinated animals
mismatch amplification mutation assay
rapid diagnostic
url https://www.mdpi.com/2306-7381/12/1/8
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