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在赤道大西洋中部圣彼得和圣保罗群岛海鸟的环境粪便样本中检测到三角洲冠状病毒。

Detection of Deltacoronavirus in environmental fecal samples from seabirds in the Saint Peter and Saint Paul Archipelago, central equatorial Atlantic Ocean.

作者信息

Gomes Fernanda, da Silva Alexandre Freitas, Prado Tatiana, Bueno Marina Galvão, Appolinario Luciana, Flores Patrícia Soares, Resende Paola Cristina, Siqueira Marilda, Corrêa Leonardo, Brandão Martha, Reck Jose, Wallau Gabriel Luz, Ogrzewalska Maria

机构信息

Laboratório de Vírus Respiratórios, Exantemáticos, Entéricos e Emergências Virais, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.

Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, PE, Brasil.

出版信息

PLoS One. 2025 Jun 3;20(6):e0314842. doi: 10.1371/journal.pone.0314842. eCollection 2025.

DOI:10.1371/journal.pone.0314842
PMID:40460152
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12132992/
Abstract

This study investigates the presence of avian coronaviruses (CoVs), Avian influenza viruses (AIVs), and Avian rotaviruses group A (AvRVs) in seabird populations inhabiting the Saint Peter and Saint Paul Archipelago (SPSPA), isolated and remote oceanic islands situated in the equatorial region of the Atlantic Ocean. In July 2022, 95 environmental fecal samples were collected from seabird colonies and screened for these viruses by quantitative one-step real-time RT-PCR (AIVs and AvRVs), by the conventional pancoronavirus RT-PCR protocols and metatranscriptomics of a positive sample. Four environmental samples tested positive for CoVs. Avian AIVs and AvRVs were not detected. Phylogenetic analyses revealed CoVs closely related to avian deltacoronaviruses previously identified in waterbirds from Asia and Australia. We could not recover the CoV by metatranscriptomics but we recovered a single viral contig of an avian enterovirus. The findings contribute valuable insights into virus dynamics among seabird populations, laying the groundwork for future investigations in this field.

摘要

本研究调查了居住在圣彼得和圣保罗群岛（SPSPA）的海鸟种群中禽冠状病毒（CoVs）、禽流感病毒（AIVs）和禽A组轮状病毒（AvRVs）的存在情况，该群岛是位于大西洋赤道地区的偏远海洋孤岛。2022年7月，从海鸟栖息地收集了95份环境粪便样本，并通过定量一步实时逆转录聚合酶链反应（用于检测AIVs和AvRVs）、传统全冠状病毒逆转录聚合酶链反应方案以及对一份阳性样本进行宏转录组学分析来筛查这些病毒。四份环境样本检测出CoVs呈阳性。未检测到禽AIVs和AvRVs。系统发育分析显示，这些CoVs与先前在亚洲和澳大利亚水鸟中发现的禽δ冠状病毒密切相关。我们无法通过宏转录组学方法分离出CoV，但我们获得了一个禽肠道病毒的单一病毒重叠群。这些发现为海鸟种群中的病毒动态提供了有价值的见解，为该领域未来的研究奠定了基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/000191b8dba5/pone.0314842.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/e0a1638c873f/pone.0314842.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/b563d7723279/pone.0314842.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/000191b8dba5/pone.0314842.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/e0a1638c873f/pone.0314842.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/b563d7723279/pone.0314842.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c308/12132992/000191b8dba5/pone.0314842.g003.jpg

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