Emerging and Novel Viruses in Passerine Birds

There is growing interest in emerging viruses that can cause serious or lethal disease in humans and animals. The proliferation of cloacal virome studies, mainly focused on poultry and other domestic birds, reveals a wide variety of viruses, although their pathogenic significance is currently uncert...

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Main Authors: Richard A. J. Williams, Christian J. Sánchez-Llatas, Ana Doménech, Ricardo Madrid, Sergio Fandiño, Pablo Cea-Callejo, Esperanza Gomez-Lucia, Laura Benítez
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/11/9/2355
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author Richard A. J. Williams
Christian J. Sánchez-Llatas
Ana Doménech
Ricardo Madrid
Sergio Fandiño
Pablo Cea-Callejo
Esperanza Gomez-Lucia
Laura Benítez
author_facet Richard A. J. Williams
Christian J. Sánchez-Llatas
Ana Doménech
Ricardo Madrid
Sergio Fandiño
Pablo Cea-Callejo
Esperanza Gomez-Lucia
Laura Benítez
author_sort Richard A. J. Williams
collection DOAJ
description There is growing interest in emerging viruses that can cause serious or lethal disease in humans and animals. The proliferation of cloacal virome studies, mainly focused on poultry and other domestic birds, reveals a wide variety of viruses, although their pathogenic significance is currently uncertain. Analysis of viruses detected in wild birds is complex and often biased towards waterfowl because of the obvious interest in avian influenza or other zoonotic viruses. Less is known about the viruses present in the order Passeriformes, which comprises approximately 60% of extant bird species. This review aims to compile the most significant contributions on the DNA/RNA viruses affecting passerines, from traditional and metagenomic studies. It highlights that most passerine species have never been sampled. Especially the RNA viruses from <i>Flaviviridae</i>, <i>Orthomyxoviridae</i> and <i>Togaviridae</i> are considered emerging because of increased incidence or avian mortality/morbidity, spread to new geographical areas or hosts and their zoonotic risk. Arguably poxvirus, and perhaps other virus groups, could also be considered “emerging viruses”. However, many of these viruses have only recently been described in passerines using metagenomics and their role in the ecosystem is unknown. Finally, it is noteworthy that only one third of the viruses affecting passerines have been officially recognized.
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spelling doaj.art-eaa97e44a1d54b22843d880ca9fd26472023-11-19T12:04:12ZengMDPI AGMicroorganisms2076-26072023-09-01119235510.3390/microorganisms11092355Emerging and Novel Viruses in Passerine BirdsRichard A. J. Williams0Christian J. Sánchez-Llatas1Ana Doménech2Ricardo Madrid3Sergio Fandiño4Pablo Cea-Callejo5Esperanza Gomez-Lucia6Laura Benítez7Department of Genetics, Physiology, and Microbiology, School of Biology, Complutense University of Madrid (UCM), C. de José Antonio Nováis, 12, 28040 Madrid, SpainDepartment of Genetics, Physiology, and Microbiology, School of Biology, Complutense University of Madrid (UCM), C. de José Antonio Nováis, 12, 28040 Madrid, Spain“Animal Viruses” Research Group, Complutense University of Madrid, 28040 Madrid, SpainDepartment of Genetics, Physiology, and Microbiology, School of Biology, Complutense University of Madrid (UCM), C. de José Antonio Nováis, 12, 28040 Madrid, Spain“Animal Viruses” Research Group, Complutense University of Madrid, 28040 Madrid, SpainDepartment of Genetics, Physiology, and Microbiology, School of Biology, Complutense University of Madrid (UCM), C. de José Antonio Nováis, 12, 28040 Madrid, Spain“Animal Viruses” Research Group, Complutense University of Madrid, 28040 Madrid, SpainDepartment of Genetics, Physiology, and Microbiology, School of Biology, Complutense University of Madrid (UCM), C. de José Antonio Nováis, 12, 28040 Madrid, SpainThere is growing interest in emerging viruses that can cause serious or lethal disease in humans and animals. The proliferation of cloacal virome studies, mainly focused on poultry and other domestic birds, reveals a wide variety of viruses, although their pathogenic significance is currently uncertain. Analysis of viruses detected in wild birds is complex and often biased towards waterfowl because of the obvious interest in avian influenza or other zoonotic viruses. Less is known about the viruses present in the order Passeriformes, which comprises approximately 60% of extant bird species. This review aims to compile the most significant contributions on the DNA/RNA viruses affecting passerines, from traditional and metagenomic studies. It highlights that most passerine species have never been sampled. Especially the RNA viruses from <i>Flaviviridae</i>, <i>Orthomyxoviridae</i> and <i>Togaviridae</i> are considered emerging because of increased incidence or avian mortality/morbidity, spread to new geographical areas or hosts and their zoonotic risk. Arguably poxvirus, and perhaps other virus groups, could also be considered “emerging viruses”. However, many of these viruses have only recently been described in passerines using metagenomics and their role in the ecosystem is unknown. Finally, it is noteworthy that only one third of the viruses affecting passerines have been officially recognized.https://www.mdpi.com/2076-2607/11/9/2355biodiversityDNA virusesemergencemetagenomic studiespasseriformesRNA viruses
spellingShingle Richard A. J. Williams
Christian J. Sánchez-Llatas
Ana Doménech
Ricardo Madrid
Sergio Fandiño
Pablo Cea-Callejo
Esperanza Gomez-Lucia
Laura Benítez
Emerging and Novel Viruses in Passerine Birds
Microorganisms
biodiversity
DNA viruses
emergence
metagenomic studies
passeriformes
RNA viruses
title Emerging and Novel Viruses in Passerine Birds
title_full Emerging and Novel Viruses in Passerine Birds
title_fullStr Emerging and Novel Viruses in Passerine Birds
title_full_unstemmed Emerging and Novel Viruses in Passerine Birds
title_short Emerging and Novel Viruses in Passerine Birds
title_sort emerging and novel viruses in passerine birds
topic biodiversity
DNA viruses
emergence
metagenomic studies
passeriformes
RNA viruses
url https://www.mdpi.com/2076-2607/11/9/2355
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