Uncovering the Prevalence and Genetic Characterization of Rabbit-Derived Paslahepevirus Balayani (Hepatitis E Virus) in Hebei Province, China

IF 4.1 2区 农林科学 Q2 ENVIRONMENTAL SCIENCES
Xinyue Hu, Jinfeng Wang, Yinuo Wang, Libing Liu, Junjie Miao, Huan Ren, Jianchang Wang, Xiangdong Xu
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引用次数: 0

Abstract

Paslahepevirus balayani (hepatitis E virus) is a zoonotic pathogen, with rabbit Paslahepevirus balayani (HEV-3ra) being widely distributed among global rabbit populations. Notably, in China, rabbits constitute a significant HEV host, second only to swine. Emerging evidence suggests that HEV-3ra possesses the capability to cross species barriers and infect humans. Against this backdrop, our investigation aimed to delineate the HEV infection status and epidemiological patterns in the commercial rabbits of Hebei Province, China. We collected 386 liver and 100 fecal samples across four regions in Hebei Province. Detection of HEV RNA in these specimens was achieved by employing reverse transcription quantitative polymerase chain reaction (RT-qPCR) and reverse transcription nested PCR (RT-Nested PCR), focusing on the amplification of a segment of the open reading frame 2 (ORF2) and the complete genome. Among the 486 samples, 73 were tested positive for HEV RNA, resulting in an overall positive rate of 15.0%. The positive rates for liver and fecal samples were 11.7% (45/386) and 28.0% (28/100), respectively. The study successfully obtained 38 partial ORF2 sequences and 5 complete genome sequences. Sequence analysis revealed that the complete genome sequences shared 86.0–94.5% nucleotide identity with HEV-3ra sequences in GenBank. Phylogenetic analysis confirmed that all strains belonged to HEV-3ra and were closely related to previously reported sequences from China. This study provides the first comprehensive genomic overview of circulating HEV-3ra strains in Hebei, offering valuable insights into the infection dynamics and prevalence of HEV-3ra among commercial rabbits, which can inform public health strategies.

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来源期刊
Food and Environmental Virology
Food and Environmental Virology ENVIRONMENTAL SCIENCES-MICROBIOLOGY
CiteScore
6.50
自引率
2.90%
发文量
35
审稿时长
1 months
期刊介绍: Food and Environmental Virology publishes original articles, notes and review articles on any aspect relating to the transmission of pathogenic viruses via the environment (water, air, soil etc.) and foods. This includes epidemiological studies, identification of novel or emerging pathogens, methods of analysis or characterisation, studies on survival and elimination, and development of procedural controls for industrial processes, e.g. HACCP plans. The journal will cover all aspects of this important area, and encompass studies on any human, animal, and plant pathogenic virus which is capable of transmission via the environment or food.
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