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Bhattacharya S, Deka P, Das S, Ali S, Choudhury B, Kakati P, Kumar S. Spillover of Newcastle disease virus to Himalayan Griffon vulture: a possible food-based transmission. Virus Genes 2024; 60:385-392. [PMID: 38739246 DOI: 10.1007/s11262-024-02072-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Accepted: 04/12/2024] [Indexed: 05/14/2024]
Abstract
The Newcastle disease virus (NDV) affects wild and domesticated bird species, including commercial poultry. Although the diversity of NDV in domestic chickens is well documented, limited information is available about Newcastle disease (ND) outbreaks in other bird species. We report an annotated sequence of NDV/Vulture/Borjuri/01/22, an avirulent strain of NDV reported from Borjuri, Northeast India, in Himalayan Griffon vulture. The complete genome is 15,186 bases long with a fusion protein (F) cleavage site 112GRQGR↓L117. The phylogenetic analysis based on the F protein gene and the whole genome sequence revealed that the isolate from the vulture belongs to genotype II, sharing significant homology with vaccine strain LaSota. The study highlights the possible spillover of the virus from domestic to wild species through the food chain.
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Affiliation(s)
- Shinjini Bhattacharya
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Pankaj Deka
- Department of Microbiology, College of Veterinary Science, Assam Agricultural University Khanapara Campus, Guwahati, Assam, 781022, India
| | - Sangeeta Das
- Department of Microbiology, College of Veterinary Science, Assam Agricultural University Khanapara Campus, Guwahati, Assam, 781022, India
| | - Samshul Ali
- Centre for Wildlife Rehabilitation and Conservation, Kaziranga National Park, Bokakhat, Assam, 785612, India
| | | | | | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.
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Sánchez-Cano A, López-Calderón C, Cardona-Cabrera T, Green AJ, Höfle U. Connectivity at the human-wildlife interface: starling movements relate to carriage of E. coli. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171899. [PMID: 38527537 DOI: 10.1016/j.scitotenv.2024.171899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Synanthropic bird species in human, poultry or livestock environments can increase the spread of pathogens and antibiotic-resistant bacteria between wild and domestic animals. We present the first telemetry-based spatial networks for a small songbird. We quantified landscape connectivity exerted by spotless starling movements, and aimed to determine if connectivity patterns were related to carriage of potential pathogens. We captured 28 starlings on a partridge farm in 2020 and tested them for Avian influenza virus, West Nile virus WNV, Avian orthoavulavirus 1, Coronavirus, Salmonella spp. and Escherichia coli. We did not detect any viruses or Salmonella, but one individual had antibodies against WNV or cross-reacting Flaviviruses. We found E. coli in 61 % (17 of 28) of starlings, 76 % (13 of 17) of which were resistant to gentamicin, 12 % (2 of 17) to cefotaxime/enrofloxacin and 6 % (1 of 17) were phenotypic extended spectrum beta-lactamase (ESBL) carriers. We GPS-tracked 17 starlings and constructed spatial networks showing how their movements (i.e. links) connect different farms with nearby urban and natural habitats (i.e. nodes with different attributes). Using E. coli carriage as a proxy for acquisition/dispersal of bacteria, we found differences across spatial networks constructed for E. coli positive (n = 7) and E. coli negative (n = 9) starlings. We used Exponential Random Graph Models to reveal significant differences between networks. In particular, an urban roost was more connected to other sites by movements of E. coli positive than by movements of E. coli negative starlings. Furthermore, an open pine forest used mainly for roosting was more connected to other sites by movements of E. coli negative than by movements of E. coli positive starlings. Using E. coli as a proxy for a potential pathogen carried by starlings, we reveal the pathways of spread that starlings could provide between farms, urban and natural habitats.
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Affiliation(s)
- Alberto Sánchez-Cano
- SaBio Research Group, Institute for Game and Wildlife Research IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain.
| | - Cosme López-Calderón
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana (EBD-CSIC), Seville, Spain; Grupo de Investigación en Conservación, Biodiversidad y Cambio Global, Universidad de Extremadura, Badajoz, Spain
| | - Teresa Cardona-Cabrera
- SaBio Research Group, Institute for Game and Wildlife Research IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - Andy J Green
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana (EBD-CSIC), Seville, Spain
| | - Ursula Höfle
- SaBio Research Group, Institute for Game and Wildlife Research IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain.
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Al-Mubarak AIA, Hussen J, Kandeel M, Al-Kubati AAG, Falemban B, Hemida MG. Avian encephalomyelitis virus in backyard chickens. Vet World 2023; 16:1866-1870. [PMID: 37859953 PMCID: PMC10583868 DOI: 10.14202/vetworld.2023.1866-1870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/18/2023] [Indexed: 10/21/2023] Open
Abstract
Background and Aim Avian viral diseases usually cause high economic losses because of high morbidity and mortality and poor growth. The rearing of chickens in backyards could have an important role in the spread of certain diseases, particularly those of viral origin. Infected birds might be prone to many viral infections for several reasons, including a lack of vaccination programs, the mixing of different bird species in the same location, and the close interactions of these birds with wild and migratory birds carrying various pathogens. This study aimed to conduct serological surveillance of avian encephalomyelitis virus (AEV) in some backyard chickens in the eastern region of Saudi Arabia. Materials and Methods Serum samples (n = 368) were collected from domestic chickens reared in 10 backyards in the Eastern Province of Saudi Arabia. None of the domestic birds in these 10 backyards were vaccinated against the virus. In addition, 78 serum samples were collected from free-ranging birds belonging to Columbidae, such as pigeons and doves, in common areas near the domestic backyards. We tested these sera for specific antibodies against AEV. Results Our results revealed seroconversion to AEV among the examined chickens (14.6%). None of the tested pigeons and doves displayed seroconversion to AEV. Conclusion Seroconversion of these non-vaccinated birds against AEV was suggestive of a recent natural infection by this virus. Further studies with a large number of birds are required to molecularly characterize the circulating strains of this virus in this area.
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Affiliation(s)
| | - Jamal Hussen
- Department of Microbiology, College of Veterinary Medicine, King Faisal University, Saudi Arabia
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Hofuf, Saudi Arabia
- Department of Pharmacology, Faculty of Veterinary Medicine, Kafr Elsheikh University, Kafr Elsheikh, Egypt
| | - Anwar A. G. Al-Kubati
- Department of Veterinary Medicine, Faculty of Agriculture and Veterinary Medicine, Thamar University, Thamar, Yemen
| | - Baraa Falemban
- Department of Microbiology, College of Veterinary Medicine, King Faisal University, Saudi Arabia
| | - Maged Gomaa Hemida
- Department of Veterinary Biomedical Sciences, College of Veterinary Medicine, Long Island University, USA
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Reid SM, Skinner P, Sutton D, Ross CS, Drewek K, Weremczuk N, Banyard AC, Mahmood S, Mansfield KL, Mayers J, Thomas SS, Brookes SM, Brown IH. Understanding the disease and economic impact of avirulent avian paramyxovirus type 1 (APMV-1) infection in Great Britain. Epidemiol Infect 2023; 151:e163. [PMID: 37622315 PMCID: PMC10600730 DOI: 10.1017/s0950268823001255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/24/2023] [Accepted: 05/30/2023] [Indexed: 08/26/2023] Open
Abstract
Newcastle disease (ND) is a notifiable disease affecting chickens and other avian species caused by virulent strains of Avian paramyxovirus type 1 (APMV-1). While outbreaks of ND can have devastating consequences, avirulent strains of APMV-1 generally cause subclinical infections or mild disease. However, viruses can cause different levels of disease in different species and virulence can evolve following cross-species transmission events. This report describes the detection of three cases of avirulent APMV-1 infection in Great Britain (GB). Case 1 emerged from the 'testing to exclude' scheme in chickens in Shropshire while cases 2 and 3 were made directly from notifiable avian disease investigations in chicken broilers in Herefordshire and on premises in Wiltshire containing ducks and mixed species, respectively). Class II/genotype I.1.1 APMV-1 from case 1 shared 99.94% identity to the Queensland V4 strain of APMV-1. Class II/genotype II APMV-1 was detected from case 2 while the class II/genotype I.2 virus from case 3 aligned closely with strains isolated from Anseriformes. Exclusion of ND through rapid detection of avirulent APMV-1 is important where clinical signs caused by avirulent or virulent APMV-1s could be ambiguous. Understanding the diversity of APMV-1s circulating in GB is critical to understanding disease threat from these adaptable viruses.
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Affiliation(s)
- Scott M. Reid
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | - Paul Skinner
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | - David Sutton
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
- Qiagen, Manchester, UK
| | - Craig S. Ross
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | - Karolina Drewek
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | | | - Ashley C. Banyard
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
- WOAH/FAO International Reference Laboratory for Avian Influenza, Swine Influenza and Newcastle Disease, Animal and Plant Health Agency, New Haw, UK
| | - Sahar Mahmood
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | | | - Jo Mayers
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
- APHA Veterinary Investigation Centre Starcross, Exeter, UK
| | - Saumya S. Thomas
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
| | | | - Ian H. Brown
- Department of Virology, Animal and Plant Health Agency, New Haw, UK
- WOAH/FAO International Reference Laboratory for Avian Influenza, Swine Influenza and Newcastle Disease, Animal and Plant Health Agency, New Haw, UK
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Al-Mubarak AIA, Hussen J, Kandeel M, Al-Kubati AAG, Falemban B, Hemida MG. Evidence of the circulation of avian metapneumovirus in domestic backyard chickens in Eastern Saudi Arabia in 2019. Vet World 2023; 16:1246-1251. [PMID: 37577191 PMCID: PMC10421553 DOI: 10.14202/vetworld.2023.1246-1251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/03/2023] [Indexed: 08/15/2023] Open
Abstract
Background and Aim Avian metapneumovirus (aMPV) is a recently discovered respiratory virus in chickens. Avian metapneumovirus has been linked to respiratory syndromes, reproductive failure in affected chickens and turkeys, swollen head syndrome in chickens, and rhinotracheitis in turkeys. Wild birds are considered potential reservoirs of aMPV, particularly aMPV-C. However, little is known about the prevalence of aMPV in Saudi Arabia. Considering the relevance of backyard chickens in the transmission and sustainability of certain avian viral diseases, this study aimed to assess aMPV exposure in backyard chickens and wild birds circulating near selected locations. Materials and Methods We collected 368 serum samples from unvaccinated backyard chickens in ten locations in Eastern Saudi Arabia. Furthermore, we collected 78 serum samples from species of free-ranging birds belonging to the Columbidae family, such as pigeons and doves, captured from the same areas. Using commercial enzyme-linked immunosorbent assay kits, we tested the sera of domestic backyard chickens and wild birds for antibodies against aMPV. Results Our results showed that 74/368 birds were positive for aMPV-related antibodies. Conversely, none of the tested wild birds seroconverted to aMPV. Conclusion The antibody titers detected in the backyard chickens suggested recent exposure to aMPV. Considering these results, further large-scale serological and molecular studies are needed to evaluate the prevalence of aMPV in these birds and characterize the circulating strains of aMPV in this region.
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Affiliation(s)
| | - Jamal Hussen
- Department of Microbiology, College of Veterinary Medicine, King Faisal University, Saudi Arabia
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Hofuf, Saudi Arabia
- Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Anwar A. G. Al-Kubati
- Department of Veterinary Medicine, Faculty of Agriculture and Veterinary Medicine, Thamar University, Thamar, Yemen
| | - Baraa Falemban
- Department of Microbiology, College of Veterinary Medicine, King Faisal University, Saudi Arabia
| | - Maged Gomaa Hemida
- Department of Veterinary Biomedical Sciences, College of Veterinary Medicine, Long Island University, USA
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Siew ZY, Loh A, Segeran S, Leong PP, Voon K. Oncolytic Reoviruses: Can These Emerging Zoonotic Reoviruses Be Tamed and Utilized? DNA Cell Biol 2023. [PMID: 37015068 DOI: 10.1089/dna.2022.0561] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2023] Open
Abstract
Orthoreovirus is a nonenveloped double-stranded RNA virus under the Reoviridae family. This group of viruses, especially mammalian orthoreovirus (MRV), are reported with great therapeutic values due to their oncolytic effects. In this review, the life cycle and oncolytic effect of MRV and a few emerging reoviruses were summarized. This article also highlights the challenges and strategies of utilizing MRV and the emerging reoviruses, avian orthoreovirus (ARV) and pteropine orthoreovirus (PRV), as oncolytic viruses (OVs). Besides, the emergence of potential ARV and PRV as OVs were discussed in comparison to MRV. Finally, the risk of reovirus as zoonosis or reverse zoonosis (zooanthroponosis) were debated, and concerns were raised in this article, which warrant continue surveillance of reovirus (MRV, ARV, and PRV) in animals, humans, and the environment.
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Affiliation(s)
- Zhen Yun Siew
- School of Pharmacy, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Alson Loh
- School of Postgraduate Studies, International Medical University, Kuala Lumpur, Malaysia
| | - Sharrada Segeran
- School of Medicine, Australian National University, Canberra, Australia
| | - Pooi Pooi Leong
- Faculty of Medicine and Health Sciences, Universiti of Tunku Abdul Rahman, Kajang, Malaysia
| | - Kenny Voon
- School of Pharmacy, University of Nottingham Malaysia, Semenyih, Malaysia
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7
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Li Q, Shah T, Wang B, Qu L, Wang R, Hou Y, Baloch Z, Xia X. Cross-species transmission, evolution and zoonotic potential of coronaviruses. Front Cell Infect Microbiol 2023; 12:1081370. [PMID: 36683695 PMCID: PMC9853062 DOI: 10.3389/fcimb.2022.1081370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
Coronaviruses (CoVs) continuously evolve, crossing species barriers and spreading across host ranges. Over the last two decades, several CoVs (HCoV-229E, HCoV-NL63, HCoV-HKU1, HCoV-OC43, SARS-CoV, MERS-CoV, and SARS-CoV-2) have emerged in animals and mammals, causing significant economic and human life losses. Due to CoV cross-species transmission and the evolution of novel viruses, it is critical to identify their natural reservoiurs and the circumstances under which their transmission occurs. In this review, we use genetic and ecological data to disentangle the evolution of various CoVs in wildlife, humans, and domestic mammals. We thoroughly investigate several host species and outline the epidemiology of CoVs toward specific hosts. We also discuss the cross-species transmission of CoVs at the interface of wildlife, animals, and humans. Clarifying the epidemiology and diversity of species reservoirs will significantly impact our ability to respond to the future emergence of CoVs in humans and domestic animals.
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Affiliation(s)
- Qian Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China,The First Affiliated Hospital & Clinical Medical College, Dali University, Dali, Yunnan, China
| | - Taif Shah
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Binghui Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Linyu Qu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Rui Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Yutong Hou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Zulqarnain Baloch
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China
| | - Xueshan Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China,Affiliated Anning First People’s Hospital, Kunming University of Science and Technology, Kunming, China,*Correspondence: Xueshan Xia,
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8
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Marchenko V, Danilenko A, Kolosova N, Bragina M, Molchanova M, Bulanovich Y, Gorodov V, Leonov S, Gudymo A, Onkhonova G, Svyatchenko S, Ryzhikov A. Diversity of gammacoronaviruses and deltacoronaviruses in wild birds and poultry in Russia. Sci Rep 2022; 12:19412. [PMID: 36371465 PMCID: PMC9653423 DOI: 10.1038/s41598-022-23925-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/07/2022] [Indexed: 11/14/2022] Open
Abstract
Coronaviruses of the genera Gammacoronavirus and Deltacoronavirus are globally widespread and circulate primarily in wild and domestic birds. Prior studies have established frequently occurring crossover events from avian to mammalian reservoirs. However, there is limited understanding of the diversity and geographical distribution of coronaviruses among birds. In this study, the surveillance of coronaviruses in birds in Russia during 2020 revealed the presence of coronaviruses in 12% of samples from birds. Targeted NGS approach was used for the evaluation of genetic diversity based on RdRp gene. While gammacoronviruses were found in both wild birds and poultry, deltacoronaviruses were found in wild birds only and represent the first detections for Russia. A number of cases with the simultaneous detection of gamma- and deltacoronaviruses in one bird was reported. The results of this study highlight the importance of further research concerning the spread and diversity of coronaviruses among birds within and migrating throughout the territory of Russia across the globe.
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Affiliation(s)
- Vasily Marchenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Alexey Danilenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Natalia Kolosova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Maria Bragina
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Marina Molchanova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Yuliya Bulanovich
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Vladimir Gorodov
- Siberian Federal Scientific Centre of Agro-BioTechnologies, RAS, Novosibirsk, Russia
| | - Sergey Leonov
- Siberian Federal Scientific Centre of Agro-BioTechnologies, RAS, Novosibirsk, Russia
| | - Andrey Gudymo
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Galina Onkhonova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Svetlana Svyatchenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Alexander Ryzhikov
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
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Domańska-Blicharz K, Miłek-Krupa J, Pikuła A. Diversity of Coronaviruses in Wild Representatives of the Aves Class in Poland. Viruses 2021; 13:v13081497. [PMID: 34452362 PMCID: PMC8402903 DOI: 10.3390/v13081497] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/15/2021] [Accepted: 07/23/2021] [Indexed: 02/06/2023] Open
Abstract
The revealed prevalence of coronaviruses in wild bird populations in Poland was 4.15% and the main reservoirs were birds from orders Anseriformes and Charadriiformes, with a prevalence of 3.51% and 5.59%, respectively. Gammacoronaviruses were detected more often than deltacoronaviruses, with detection rates of 3.5% and 0.7%, respectively. Gammacoronaviruses were detected in birds belonging to six orders, including Anseriformes, Charadriiformes, Columbiformes, Galliformes, Gruiformes, and Passeriformes, indicating a relatively wide host range. Interestingly, this was the only coronavirus detected in Anseriformes (3.51%), while in Charadriiformes, the prevalence was 3.1%. The identified gammacoronaviruses belonged to the Igacovirus and Brangacovirus subgeneras. Most of these were igacoviruses and formed a common phylogenetic group with a Duck Coronavirus 2714 and two with an Avian Coronavirus/Avian Coronavirus9203, while the viruses from the pigeons formed a distinct “pigeon-like” group, not yet officially represented. The presence of deltacoronaviruses was detected in birds belonging to three orders, Charadriiformes, Galliformes, and Suliformes indicating a narrower host range. Most identified deltacoronaviruses belonged to the Buldecovirus subgenus, while only one belonged to Herdecovirus. Interestingly, the majority of buldecoviruses were identified in gulls, and they formed a distinct phylogenetic lineage not represented by any officially ratified virus species. Another separate group of buldecoviruses, also not represented by the official species, was formed by a virus identified in a common snipe. Only one identified buldecovirus (from common pheasant) formed a group with the ratified species Coronavirus HKU15. The results obtained indicate the high diversity of detected coronaviruses, and thus also the need to update their taxonomy (establishing new representative virus species). The serological studies performed revealed antibodies against an infectious bronchitis virus in the sera of white storks and mallards.
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10
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Mansour SMG, ElBakrey RM, Mohamed FF, Hamouda EE, Abdallah MS, Elbestawy AR, Ismail MM, Abdien HMF, Eid AAM. Avian Paramyxovirus Type 1 in Egypt: Epidemiology, Evolutionary Perspective, and Vaccine Approach. Front Vet Sci 2021; 8:647462. [PMID: 34336965 PMCID: PMC8320000 DOI: 10.3389/fvets.2021.647462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 06/14/2021] [Indexed: 12/27/2022] Open
Abstract
Avian orthoavulavirus 1, formerly known as avian paramyxovirus type-1 (APMV-1), infects more than 250 different species of birds. It causes a broad range of clinical diseases and results in devastating economic impact due to high morbidity and mortality in addition to trade restrictions. The ease of spread has allowed the virus to disseminate worldwide with subjective virulence, which depends on the virus strain and host species. The emergence of new virulent genotypes among global epizootics, including those from Egypt, illustrates the time-to-time genomic alterations that lead to simultaneous evolution of distinct APMV-1 genotypes at different geographic locations across the world. In Egypt, the Newcastle disease was firstly reported in 1947 and continued to occur, despite rigorous prophylactic vaccination, and remained a potential threat to commercial and backyard poultry production. Since 2005, many researchers have investigated the nature of APMV-1 in different outbreaks, as they found several APMV-1 genotypes circulating among various species. The unique intermingling of migratory, free-living, and domesticated birds besides the availability of frequently mobile wild birds in Egypt may facilitate the evolution power of APMV-1 in Egypt. Pigeons and waterfowls are of interest due to their inclusion in Egyptian poultry industry and their ability to spread the infection to other birds either by presence of different genotypes (as in pigeons) or by harboring a clinically silent disease (as in waterfowl). This review details (i) the genetic and pathobiologic features of APMV-1 infections in Egypt, (ii) the epidemiologic and evolutionary events in different avian species, and (iii) the vaccine applications and challenges in Egypt.
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Affiliation(s)
- Shimaa M G Mansour
- Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Reham M ElBakrey
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Fakry F Mohamed
- Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Esraa E Hamouda
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Mona S Abdallah
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ahmed R Elbestawy
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhur University, Damanhur, Egypt
| | - Mahmoud M Ismail
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Hanan M F Abdien
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Amal A M Eid
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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11
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Wille M, Shi M, Hurt AC, Klaassen M, Holmes EC. RNA virome abundance and diversity is associated with host age in a bird species. Virology 2021; 561:98-106. [PMID: 34182259 DOI: 10.1016/j.virol.2021.06.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/16/2021] [Accepted: 06/16/2021] [Indexed: 12/19/2022]
Abstract
Despite the ongoing interest in virus discovery, little is known about the factors that shape communities of viruses within individual hosts. Here, we address how virus communities might be impacted by the age of the hosts they infect, using total RNA sequencing to reveal the RNA viromes of different age groups of Ruddy Turnstones (Arenaria interpres). From oropharyngeal and cloacal swabs we identified 14 viruses likely infecting birds, 11 of which were novel, including members of the Reoviridae, Astroviridae, and Picornaviridae. Strikingly, 12 viruses identified were from juvenile birds sampled in the first year of their life, compared to only two viruses in adult birds. Both viral abundance and alpha diversity were marginally higher in juvenile than adult birds. As well as informing studies of virus ecology, that host age might be associated with viral composition is an important consideration for the future surveillance of novel and emerging viruses.
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Affiliation(s)
- Michelle Wille
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, 2006, New South Wales, Australia.
| | - Mang Shi
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, 2006, New South Wales, Australia
| | - Aeron C Hurt
- Melbourne School of Population and Global Health, University of Melbourne, Melbourne, 3000, Australia
| | - Marcel Klaassen
- Centre for Integrative Ecology, Deakin University, Geelong, 3217, Victoria, Australia; Victorian Wader Study Group, Geelong, 3217, Victoria, Australia
| | - Edward C Holmes
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, 2006, New South Wales, Australia.
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12
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Gray GC, Abdelgadir A. While We Endure This Pandemic, What New Respiratory Virus Threats Are We Missing? Open Forum Infect Dis 2021; 8:ofab078. [PMID: 33778092 PMCID: PMC7928563 DOI: 10.1093/ofid/ofab078] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 02/10/2021] [Indexed: 12/13/2022] Open
Abstract
In this paper, we review recent human respiratory virus epidemics, their zoonotic nature, and our current inability to identify future prepandemic threats. We propose a cost-efficient, One Health surveillance strategy that will be more efficient and more sustainable than previous efforts.
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Affiliation(s)
- Gregory C Gray
- Division of Infectious Diseases, Duke University School of Medicine, Durham, North Carolina, USA.,Duke Global Health Institute, Duke University, Durham, North Carolina, USA.,Global Health Research Center, Duke-Kunshan University, Kunshan, China.,Emerging Infectious Diseases Program, Duke-NUS Medical School, Singapore
| | - Anfal Abdelgadir
- Division of Infectious Diseases, Duke University School of Medicine, Durham, North Carolina, USA.,Duke Global Health Institute, Duke University, Durham, North Carolina, USA
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13
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Comparative Metagenomics of Palearctic and Neotropical Avian Cloacal Viromes Reveal Geographic Bias in Virus Discovery. Microorganisms 2020; 8:microorganisms8121869. [PMID: 33256173 PMCID: PMC7761369 DOI: 10.3390/microorganisms8121869] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/20/2020] [Accepted: 11/24/2020] [Indexed: 01/11/2023] Open
Abstract
Our understanding about viruses carried by wild animals is still scarce. The viral diversity of wildlife may be best described with discovery-driven approaches to the study of viral diversity that broaden research efforts towards non-canonical hosts and remote geographic regions. Birds have been key organisms in the transmission of viruses causing important diseases, and wild birds are threatened by viral spillovers associated with human activities. However, our knowledge of the avian virome may be biased towards poultry and highly pathogenic diseases. We describe and compare the fecal virome of two passerine-dominated bird assemblages sampled in a remote Neotropical rainforest in French Guiana (Nouragues Natural Reserve) and a Mediterranean forest in central Spain (La Herrería). We used metagenomic data to quantify the degree of functional and genetic novelty of viruses recovered by examining if the similarity of the contigs we obtained to reference sequences differed between both locations. In general, contigs from Nouragues were significantly less similar to viruses in databases than contigs from La Herrería using Blastn but not for Blastx, suggesting that pristine regions harbor a yet unknown viral diversity with genetically more singular viruses than more studied areas. Additionally, we describe putative novel viruses of the families Picornaviridae, Reoviridae and Hepeviridae. These results highlight the importance of wild animals and remote regions as sources of novel viruses that substantially broaden the current knowledge of the global diversity of viruses.
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14
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Naggar RFE, Rohaim MA, Munir M. Potential reverse spillover of infectious bursal disease virus at the interface of commercial poultry and wild birds. Virus Genes 2020; 56:705-711. [PMID: 32970296 PMCID: PMC7679362 DOI: 10.1007/s11262-020-01793-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/07/2020] [Indexed: 11/30/2022]
Abstract
Recently, multiple spillover events between domesticated poultry and wild birds have been reported for several avian viruses. This phenomenon highlights the importance of the livestock-wildlife interface in the possible emergence of novel viruses. The aim of the current study was to investigate the potential spillover and epidemiological links of infectious bursal disease virus (IBDV) between wild birds and domestic poultry. To this end, twenty-eight cloacal swabs were collected from four species of free-living Egyptian wild birds (i.e. mallard duck, bean goose, white-fronted goose and black-billed magpie). Genetic and phylogenetic analysis of three positive isolates revealed that the IBDV/USC-1/2019 strain clustered with previously reported very virulent IBDV (vvIBDV) Egyptian isolates. Interestingly, two other wild bird-origin isolates (i.e. IBDV/USC-2/2019 and IBDV/USC-3/2019) grouped with a vaccine strain that is being used in commercial poultry. In conclusion, our results revealed the molecular detection of vaccine and vvIBDV-like strains in Egyptian wild birds and highlighted the potential role of wild birds in IBDV epidemiology in disease-endemic regions.
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Affiliation(s)
- Rania F El Naggar
- Department of Virology, Faculty of Veterinary Medicine, University of Sadat City, Sadat, 32897, Egypt
| | - Mohammed A Rohaim
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Muhammad Munir
- Division of Biomedical and Life Science, Lancaster University, Lancaster, Lancashire, LA1 4YG, UK.
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15
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Ayala AJ, Yabsley MJ, Hernandez SM. A Review of Pathogen Transmission at the Backyard Chicken-Wild Bird Interface. Front Vet Sci 2020; 7:539925. [PMID: 33195512 PMCID: PMC7541960 DOI: 10.3389/fvets.2020.539925] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/13/2020] [Indexed: 01/31/2023] Open
Abstract
Habitat conversion and the expansion of domesticated, invasive species into native habitats are increasingly recognized as drivers of pathogen emergence at the agricultural-wildlife interface. Poultry agriculture is one of the largest subsets of this interface, and pathogen spillover events between backyard chickens and wild birds are becoming more commonly reported. Native wild bird species are under numerous anthropogenic pressures, but the risks of pathogen spillover from domestic chickens have been historically underappreciated as a threat to wild birds. Now that the backyard chicken industry is one of the fastest growing industries in the world, it is imperative that the principles of biosecurity, specifically bioexclusion and biocontainment, are legislated and implemented. We reviewed the literature on spillover events of pathogens historically associated with poultry into wild birds. We also reviewed the reasons for biosecurity failures in backyard flocks that lead to those spillover events and provide recommendations for current and future backyard flock owners.
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Affiliation(s)
- Andrea J. Ayala
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Michael J. Yabsley
- Daniel B. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States
- Southeastern Cooperative Wildlife Disease Study, Athens, GA, United States
| | - Sonia M. Hernandez
- Daniel B. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States
- Southeastern Cooperative Wildlife Disease Study, Athens, GA, United States
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16
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Wille M, Holmes EC. Wild birds as reservoirs for diverse and abundant gamma- and deltacoronaviruses. FEMS Microbiol Rev 2020; 44:631-644. [PMID: 32672814 PMCID: PMC7454673 DOI: 10.1093/femsre/fuaa026] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/30/2020] [Indexed: 12/17/2022] Open
Abstract
Wild birds interconnect all parts of the globe through annual cycles of migration with little respect for country or continental borders. Although wild birds are reservoir hosts for a high diversity of gamma- and deltacoronaviruses, we have little understanding of the ecology or evolution of any of these viruses. In this review, we use genome sequence and ecological data to disentangle the evolution of coronaviruses in wild birds. Specifically, we explore host range at the levels of viral genus and species, and reveal the multi-host nature of many viral species, albeit with biases to certain types of avian host. We conclude that it is currently challenging to infer viral ecology due to major sampling and technical limitations, and suggest that improved assay performance across the breadth of gamma- and deltacoronaviruses, assay standardization, as well as better sequencing approaches, will improve both the repeatability and interpretation of results. Finally, we discuss cross-species virus transmission across both the wild bird - poultry interface as well as from birds to mammals. Clarifying the ecology and diversity in the wild bird reservoir has important ramifications for our ability to respond to the likely future emergence of coronaviruses in socioeconomically important animal species or human populations.
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Affiliation(s)
- Michelle Wille
- WHO Collaborating Centre for Reference and Research on Influenza, at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Edward C Holmes
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, New South Wales, Australia
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17
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Ayala AJ, Hernandez SM, Olivier TL, Welch CN, Dimitrov KM, Goraichuk IV, Afonso CL, Miller PJ. Experimental Infection and Transmission of Newcastle Disease Vaccine Virus in Four Wild Passerines. Avian Dis 2020; 63:389-399. [PMID: 31967421 DOI: 10.1637/11980-092918-reg.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 03/20/2019] [Indexed: 11/05/2022]
Abstract
Our prior work has shown that live poultry vaccines have been intermittently isolated from wild birds sampled during field surveillance studies for Newcastle disease virus (NDV). Thus, we experimentally investigated the susceptibility of four native agriculturally associated wild bird species to the NDV LaSota vaccine and evaluated the shedding dynamics, potential transmission from chickens, and humoral antibody responses. To test susceptibility, we inoculated wild-caught, immunologically NDV-naïve house finches (Haemorhous mexicanus; n = 16), brown-headed cowbirds (Molothrus ater; n = 9), northern cardinals (Cardinalis cardinalis; n = 6), and American goldfinches (Spinus tristis; n = 12) with 0.1 ml (106.7 mean embryo infectious doses [EID50/ml]) of NDV LaSota vaccine via the oculo-nasal route. To test transmission between chickens and wild birds, adult specific-pathogen-free white leghorn chickens were inoculated similarly and cohoused in separate isolators with two to five wild birds of the species listed above. This design resulted in three treatments: wild bird direct inoculation (five groups) and wild bird exposure to one (two groups) or two inoculated chickens (six groups), respectively. Blood and oropharyngeal and cloacal swabs were collected before and after infection with the live vaccine. All wild birds that were directly inoculated with the LaSota vaccine shed virus as demonstrated by virus isolation (VI). Cardinals were the most susceptible species based on shedding viruses from 1 to 11 days postinoculation (dpi) with titers up to 104.9 EID50/ml. Although LaSota viruses were shed by all inoculated chickens and were present in the drinking water, most noninoculated wild birds cohoused with these chickens remained uninfected for 14 days as evidenced by VI. However, one American goldfinch tested positive for vaccine transmission by VI at 7 dpi and one house finch tested positive for vaccine transmission by real-time reverse-transcription PCR at 13 dpi. Only one directly inoculated cowbird (out of three) and two cardinals (out of two) developed NDV-specific hemagglutination inhibition antibody titers of 16, 16, and 128, respectively. No clinical signs were detected in the chickens or the wild birds postinoculation.
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Affiliation(s)
- Andrea J Ayala
- Comparative Biomedical Sciences, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602.,These authors contributed equally
| | - Sonia M Hernandez
- Daniel B. Warnell School of Forestry and Natural Resources, The University of Georgia, Athens, GA 30602.,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602.,These authors contributed equally
| | - Timothy L Olivier
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605
| | - Catharine N Welch
- Daniel B. Warnell School of Forestry and Natural Resources, The University of Georgia, Athens, GA 30602.,Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605
| | - Kiril M Dimitrov
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605
| | - Iryna V Goraichuk
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605
| | - Claudio L Afonso
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605
| | - Patti J Miller
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA 30605.,Department of Population Health, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602,
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18
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Suryaman GK, Soejoedono RD, Setiyono A, Poetri ON, Handharyani E. Isolation and characterization of avian coronavirus from healthy Eclectus parrots ( Eclectus roratus) from Indonesia. Vet World 2019; 12:1797-1805. [PMID: 32009759 PMCID: PMC6925039 DOI: 10.14202/vetworld.2019.1797-1805] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022] Open
Abstract
Background and Aim: Avian coronavirus has a wide range of hosts, from chickens and turkeys to wild birds. This virus causes an economically and, possibly, environmentally, important loss in the poultry industry. Therefore, research into the avian coronavirus in various species of birds is required. The Eclectus parrot (Eclectus roratus) is an endemic bird to Indonesia and Northern Australia and often kept as pets. At present, there has been limited information about avian coronavirus infection among birds. This study aimed to determine the presence of and to characterize avian coronavirus isolated from Eclectus parrots in Indonesia. Materials and Methods: Cloacal swab samples were taken from 10 healthy Eclectus parrots (E. roratus). Each isolate was propagated into specific pathogen-free embryonated chicken eggs. The presence of avian coronavirus was determined using three sets of primers targeting the 3’ untranslated region (3’-UTR) of avian coronavirus (UTR41+/11−), the N gene of the infectious bronchitis virus (IBVN+/−), and the S1 gene of the IBV (XCE2+/XCE2−). The infectious bronchitis vaccine strain H120 was used as a positive control. Resulting positive bands were sequenced for the S1 gene. Results: None of the isolates was positive for the 3’-UTR, four isolates were positive for the N gene of infectious bronchitis, and two isolates were positive for the S1 gene of the IBV. However, only one isolate (parrot/Indonesia/BX9/16) was sequenced for the partial S1 gene with primers XCE2+/XCE2−. The partial nucleotide sequence of this isolate showed 100% homology with the IBV GI-13 lineage, specifically with a field isolate of the 4/91 variant 1 Israel and the 4/91 vaccine on the hypervariable region 3 site of the S1 gene. Conclusion: An IB-like avian coronavirus was isolated from healthy Eclectus parrots. Our results indicate that IBV has a wide range of hosts, which prompt the need to understand the interspecies connection of this virus better.
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Affiliation(s)
- G K Suryaman
- Department of Clinic Reproduction and Pathology, Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis, Kampus IPB, Dramaga, Bogor 16680, Indonesia
| | - R D Soejoedono
- Department of Animal Disease and Veterinary Public Health, Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis, Kampus IPB, Dramaga, Bogor 16680, Indonesia
| | - A Setiyono
- Department of Clinic Reproduction and Pathology, Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis, Kampus IPB, Dramaga, Bogor 16680, Indonesia
| | - O N Poetri
- Department of Animal Disease and Veterinary Public Health, Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis, Kampus IPB, Dramaga, Bogor 16680, Indonesia
| | - E Handharyani
- Department of Clinic Reproduction and Pathology, Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis, Kampus IPB, Dramaga, Bogor 16680, Indonesia
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19
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A comparative phylogenomic analysis of avian avulavirus 1 isolated from non-avian hosts: conquering new frontiers of zoonotic potential among species. Arch Virol 2019; 164:1771-1780. [PMID: 31076910 DOI: 10.1007/s00705-019-04276-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 04/07/2019] [Indexed: 12/17/2022]
Abstract
A number of avian avulavirus 1 (AAvV 1) isolates have been reported from avian and non-avian hosts worldwide with varying clinical consequences. In this regard, robust surveillance coupled with advanced diagnostics, genomic analysis, and disease modelling has provided insight into the molecular epidemiology and evolution of this virus. The genomic and evolutionary characteristics of AAvV 1 isolates originating from avian hosts have been well studied, but those originating from non-avian hosts have not. Here, we report a comparative genomic and evolutionary analysis of so-far reported AAvV 1 isolates originating from hosts other than avian species (humans, mink and swine). Phylogenetic analysis showed that AAvV 1 isolates clustered in five distinct genotypes (I, II, VI, VII and XIII). Further analysis revealed clustering of isolates into clades distant enough to be considered distinct subgenotypes, along with a few substitutions in several significant motifs. Although further investigation is needed, the clustering of AAvV 1 strains isolated from non-avian hosts into novel subgenotypes and the presence of substitutions in important structural and biological motifs suggest that this virus can adapt to novel hosts and therefore could have zoonotic potential.
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20
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Aziz-ul-Rahman, Munir M, Shabbir MZ. Comparative evolutionary and phylogenomic analysis of Avian avulaviruses 1–20. Mol Phylogenet Evol 2018; 127:931-951. [DOI: 10.1016/j.ympev.2018.06.040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 05/15/2018] [Accepted: 06/25/2018] [Indexed: 12/20/2022]
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21
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Miłek J, Blicharz-Domańska K. Coronaviruses in Avian Species - Review with Focus on Epidemiology and Diagnosis in Wild Birds. J Vet Res 2018; 62:249-255. [PMID: 30584600 PMCID: PMC6296008 DOI: 10.2478/jvetres-2018-0035] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 09/19/2018] [Indexed: 12/12/2022] Open
Abstract
Coronaviruses (CoVs) are a large group of enveloped viruses with a single-strand RNA genome, which continuously circulate in mammals and birds and pose a threat to livestock, companion animals, and humans. CoVs harboured by avian species are classified to the genera gamma- and deltacoronaviruses. Within the gamma-CoVs the main representative is avian coronavirus, a taxonomic name which includes the highly contagious infectious bronchitis viruses (IBVs) in chickens and similar viruses infecting other domestic birds such as turkeys, guinea fowls, or quails. Additionally, IBVs have been detected in healthy wild birds, demonstrating that they may act as the vector between domestic and free-living birds. Moreover, CoVs other than IBVs, are identified in wild birds, which suggests that wild birds play a key role in the epidemiology of other gammaCoVs and deltaCoVs. Development of molecular techniques has significantly improved knowledge of the prevalence of CoVs in avian species. The methods adopted in monitoring studies of CoVs in different avian species are mainly based on detection of conservative regions within the viral replicase, nucleocapsid genes, and 3'UTR or 5'UTR. The purpose of this review is to summarise recent discoveries in the areas of epidemiology and diagnosis of CoVs in avian species and to understand the role of wild birds in the virus distribution.
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Affiliation(s)
- Justyna Miłek
- Department of Poultry Diseases, National Veterinary Research Institute, 24-100Puławy, Poland
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22
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Saponin-adjuvanted vaccine protects chickens against velogenic Newcastle disease virus. Arch Virol 2018; 163:2423-2432. [PMID: 29968048 DOI: 10.1007/s00705-018-3917-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 06/07/2018] [Indexed: 10/28/2022]
Abstract
Despite extensive vaccination campaigns, Newcastle disease virus (NDV) remains endemic in many countries worldwide, and factors that contribute to this failure include mismatched vaccines, partial immunization, and poor husbandry practices. In order to overcome the problem of genetic divergence between circulating field strains and vaccine strains, we saponin-adjuvanted an Egyptian field strain and assessed its safety and immunogenicity in chickens. Immunization of chickens with the vaccine followed by challenge with a velogenic reference strain revealed the potential of the saponin-adjuvanted vaccine to induce a strong immune response that resulted in complete protection of chickens. Importantly, in vaccinated chickens, virus shedding was abolished, providing an added advantage over the currently available commercial live-attenuated and inactivated vaccines, which are unable to prevent shedding. A histopathological investigation demonstrated that the vaccinated chickens had less-severe lesions than challenged unvaccinated and mock-vaccinated chickens. We propose using this formulation as an alternative and improved NDV vaccine platform that can be exploited to control disease not only in Egypt but also in other disease-endemic countries.
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23
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Spillover of Newcastle disease viruses from poultry to wild birds in Guangdong province, southern China. INFECTION GENETICS AND EVOLUTION 2017; 55:199-204. [PMID: 28935610 DOI: 10.1016/j.meegid.2017.09.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 09/12/2017] [Accepted: 09/17/2017] [Indexed: 12/29/2022]
Abstract
Despite intensive vaccination programs in many countries, including China, Newcastle disease has been reported sporadically and is still a significant threat to the poultry industry in China. Newcastle disease virus (NDV) is infectious for at least 250 bird species, but the role of wild birds in virus epidemiology remains largely unknown. Fourteen NDV isolates were obtained from 2040 samples collected from wild birds or the environment in Guangdong province, southern China, from 2013 to 2015. The isolation rate was the highest in the period of wintering and lowest during the periods of spring migration, nesting, and postnesting. A maximum clade credibility phylogenetic analysis revealed that at least four genotypes circulate in southern China: three class II genotypes (II, VI, and IX) and one class I (1b). We also demonstrated that most isolates from wild birds were highly similar to isolates from poultry, and two isolates were linked to viruses from wild birds in northern China. These data suggested that wild birds could disseminate NDV and poultry-derived viruses may spillover to wild birds. Accordingly, vaccine development and poultry management strategies should be considered to prevent future NDV outbreaks, particularly given the strength of the poultry industry in developing countries, such as China.
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