{"title":"Genomic surveillance and evolution of Getah virus.","authors":"Jiaqi Shen, Shaogui Liu, Shiqiang Liu, Shiyi Shen, Mingkai Lei, Qian Xu, Wentao Li, Qigai He, Xiaojuan Xu, Xuwang Cai","doi":"10.1093/ve/veaf007","DOIUrl":null,"url":null,"abstract":"<p><p>Getah virus (GETV), a member of the <i>Alphaviruses</i>, has spread widely and is expanding its host range worldwide, posing a serious threat to public health safety and the farming industry. However, genetic monitoring of GETV is inadequate, and its evolution and transmission remain unclear. This study employed reverse transcription-polymerase chain reaction to screen pig tissue samples for the presence of GETV. Subsequent steps included DNA sequencing, phylogenetic analysis, and selection pressure assessments to elucidate the evolutionary history and transmission patterns of the virus. A total of 1382 samples were examined, with a positivity rate of 4.12% (95% confidence interval: 3.07%-5.17%) from 2022 to 2023. Subsequently, seven GETV strains were isolated and identified. A phylogenetic tree was constructed, which showed that all seven strains belonged to Group III. Phylodynamic analysis revealed that GETV evolved rapidly. Additionally, eight amino acid sites within the GETV E2 protein were identified as being under positive selection. These data provide insight into the epidemiology and evolution of GETV.</p>","PeriodicalId":56026,"journal":{"name":"Virus Evolution","volume":"11 1","pages":"veaf007"},"PeriodicalIF":4.0000,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11844246/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Virus Evolution","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1093/ve/veaf007","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q1","JCRName":"VIROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Getah virus (GETV), a member of the Alphaviruses, has spread widely and is expanding its host range worldwide, posing a serious threat to public health safety and the farming industry. However, genetic monitoring of GETV is inadequate, and its evolution and transmission remain unclear. This study employed reverse transcription-polymerase chain reaction to screen pig tissue samples for the presence of GETV. Subsequent steps included DNA sequencing, phylogenetic analysis, and selection pressure assessments to elucidate the evolutionary history and transmission patterns of the virus. A total of 1382 samples were examined, with a positivity rate of 4.12% (95% confidence interval: 3.07%-5.17%) from 2022 to 2023. Subsequently, seven GETV strains were isolated and identified. A phylogenetic tree was constructed, which showed that all seven strains belonged to Group III. Phylodynamic analysis revealed that GETV evolved rapidly. Additionally, eight amino acid sites within the GETV E2 protein were identified as being under positive selection. These data provide insight into the epidemiology and evolution of GETV.
期刊介绍：
Virus Evolution is a new Open Access journal focusing on the long-term evolution of viruses, viruses as a model system for studying evolutionary processes, viral molecular epidemiology and environmental virology.
The aim of the journal is to provide a forum for original research papers, reviews, commentaries and a venue for in-depth discussion on the topics relevant to virus evolution.
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