A Whole-Genome Analysis of the African Swine Fever Virus That Circulated during the First Outbreak in Vietnam in 2019 and Subsequently in 2022

被引：3
|
作者：
Le, Van Phan [1 ]
Ahn, Min-Ju [2 ,3 ]
Kim, Jun-Seob [4 ]
Jung, Min-Chul [2 ,3 ]
Yoon, Sun-Woo [5 ]
Trinh, Thi Bich Ngoc [1 ]
Le, Thi Ngoc [2 ,3 ]
Kim, Hye Kwon [6 ]
Kang, Jung-Ah [3 ]
Lim, Jong-Woo [7 ,8 ]
Yeom, Minjoo [7 ,8 ]
Na, Woonsung [9 ]
Xie, Xing [10 ]
Feng, Zhixin [10 ]
Song, Daesub [7 ,8 ]
Jeong, Dae Gwin [2 ,3 ]
机构：
[1] Vietnam Natl Univ Agr, Coll Vet Med, Dept Microbiol & Infect Dis, Hanoi 100000, Vietnam
[2] Univ Sci & Technol, KRIBB Sch Biosci, Dept Proteome Struct Biol, Daejeon 34141, South Korea
[3] Korea Res Inst Biosci & Biotechnol, Bionanotechnol Res Ctr, Daejeon 34141, South Korea
[4] Incheon Natl Univ, Dept Nanobioengn, Incheon 22012, South Korea
[5] Andong Natl Univ, Dept Biol Sci & Biotechnol, Andong 36729, South Korea
[6] Chungbuk Natl Univ, Dept Microbiol, Coll Nat Sci, Cheongju 28644, South Korea
[7] Seoul Natl Univ, Coll Vet Med, Seoul 08826, South Korea
[8] Seoul Natl Univ, Res Inst Vet Sci, Seoul 08826, South Korea
[9] Chonnam Natl Univ, Coll Vet Med, Gwangju 61186, South Korea
[10] Jiangsu Acad Agr Sci, Minist Agr & Rural Affairs, Key Lab Vet Bioprod Engn, Inst Vet Med, Nanjing 210014, Peoples R China
来源：
VIRUSES-BASEL | 2023年 / 15卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
African swine fever; next-generation sequencing; complete genome sequence; virus evolution; EPIDEMIOLOGY;
D O I：
10.3390/v15091945
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Since its initial report in Vietnam in early 2019, the African swine fever (ASF), a highly lethal and severe viral swine disease worldwide, continues to cause outbreaks in other Southeast Asian countries. This study analyzed and compared the genomic sequences of ASF viruses (ASFVs) during the first outbreak in Hung Yen (VN/HY/2019-ASFV1) and Quynh Phu provinces (VN/QP/2019-ASFV1) in Vietnam in 2019, and the subsequent outbreak in Hung Yen (VN/HY/2022-ASFV2) in 2022, to those of other ASFV strains. VN/HY/2019-ASFV1, VN/QP/2019-ASFV1, and VN/HY/2022-ASFV2 genomes were 189,113, 189,081, and 189,607 bp in length, encoding 196, 196, and 203 open reading frames (ORFs), respectively. VN/HY/2019-ASFV1 and VN/QP/2019-ASFV1 shared a 99.91-99.99% average nucleotide identity with genotype II strains. Variations were identified in 28 ORFs in VN/HY/2019-ASFV1 and VN/QP/2019-ASFV1 compared to 20 ASFV strains, and 16 ORFs in VN/HY/2022-ASFV2 compared to VN/HY/2019-ASFV1 and VN/QP/2019-ASFV1. Vietnamese ASFV genomes were classified as IGR II variants between the I73R and I329L genes, with two copy tandem repeats between the A179L and A137R genes. A phylogenetic analysis based on the whole genomes of 27 ASFV strains indicated that the Vietnamese ASFV strains are genetically related to Estonia 2014, ASFV-SY18, and Russia/Odintsovo_02/14. These results reveal the complete genome sequences of ASFV circulating during the first outbreak in 2019, providing important insights into understanding the evolution, transmission, and genetic variation of ASFV in Vietnam.
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页数：12
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