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10.3390/v14112522
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Article

Genetic Diversity of Porcine Group A Rotavirus Strains from Pigs in South Korea

by
Gyu-Nam Park
1,
Da In Kim
1,2,
SeEun Choe
1,
Jihye Shin
1,
Byung-Hyun An
3,
Ki-Sun Kim
1,
Bang-Hun Hyun
1,
Jong-Soo Lee
2 and
Dong-Jun An
1,*
1
Virus Disease Division, Animal and Plant Quarantine Agency, Gimcheon 39660, Gyeongbuk-do, Republic of Korea
2
College of Veterinary Medicine, Chungnam National University, 220 Gung-dong, Daejeon 34134, Yuseong-gu, Republic of Korea
3
Department of Veterinary Medicine Virology Laboratory, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Gwanak-ro 1, Seoul 08826, Gwanak-gu, Republic of Korea
*
Author to whom correspondence should be addressed.
Viruses 2022, 14(11), 2522; https://doi.org/10.3390/v14112522
Submission received: 15 September 2022 / Revised: 11 November 2022 / Accepted: 11 November 2022 / Published: 14 November 2022
(This article belongs to the Special Issue State-of-the-Art Animal Virus Research in South Korea)
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Abstract

Porcine group A rotavirus (PoRVA; family, Reovirideae) strains cause acute viral gastroenteritis in piglets (especially suckling and weaned pigs), resulting in significant economic losses. In this study, we analyzed the VP7 and VP4 genes of PoRVA isolated between 2014 and 2018 from domestic pigs in South Korea to investigate the prevalence of predominant circulating genotypes (G and P types). The prevalence of the PoRVA antigen in the diarrheic fecal samples was 14.1% (53/377). Further genetic characterization of the VP7 and VP4 genes of 53 PoRVA isolates identified six different G-genotypes and five different P genotypes. The G4 and G9 genotypes were the most common (each 39.6%) in PoRVA-positive pigs, followed by P[7] and P[6] (33.9% and 30.1%, respectively). Because the G5 and G9 genotype vaccines are currently mainly used in South Korea, this result provides valuable epidemiological information about the genetic characteristics of PoRVA circulating on domestic pig farms. Development of a novel PoRVA vaccine that targets the current strains circulating in South Korea may be required for more effective virus control on pig farms.
Keywords: porcine rotavirus; genetic diversity; prevalence; genotypes; isolation porcine rotavirus; genetic diversity; prevalence; genotypes; isolation

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MDPI and ACS Style

Park, G.-N.; Kim, D.I.; Choe, S.; Shin, J.; An, B.-H.; Kim, K.-S.; Hyun, B.-H.; Lee, J.-S.; An, D.-J. Genetic Diversity of Porcine Group A Rotavirus Strains from Pigs in South Korea. Viruses 2022, 14, 2522. https://doi.org/10.3390/v14112522

AMA Style

Park G-N, Kim DI, Choe S, Shin J, An B-H, Kim K-S, Hyun B-H, Lee J-S, An D-J. Genetic Diversity of Porcine Group A Rotavirus Strains from Pigs in South Korea. Viruses. 2022; 14(11):2522. https://doi.org/10.3390/v14112522

Chicago/Turabian Style

Park, Gyu-Nam, Da In Kim, SeEun Choe, Jihye Shin, Byung-Hyun An, Ki-Sun Kim, Bang-Hun Hyun, Jong-Soo Lee, and Dong-Jun An. 2022. "Genetic Diversity of Porcine Group A Rotavirus Strains from Pigs in South Korea" Viruses 14, no. 11: 2522. https://doi.org/10.3390/v14112522

APA Style

Park, G.-N., Kim, D. I., Choe, S., Shin, J., An, B.-H., Kim, K.-S., Hyun, B.-H., Lee, J.-S., & An, D.-J. (2022). Genetic Diversity of Porcine Group A Rotavirus Strains from Pigs in South Korea. Viruses, 14(11), 2522. https://doi.org/10.3390/v14112522

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