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Nuñez LFN, Chacón RD, Charlys da Costa A, Santander-Parra SH, da Costa Pereira Innocentini R, Sánchez-Llatas CJ, Cea-Callejo P, Ichillumpa SV, Astolfi Ferreira CS, de Sá LRM, Piantino Ferreira AJ. Detection and molecular characterization of chicken parvovirus and chicken megrivirus in layer breeders affected by intestinal dilatation syndrome. Avian Pathol 2024:1-13. [PMID: 38916258 DOI: 10.1080/03079457.2024.2372486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 06/20/2024] [Indexed: 06/26/2024]
Abstract
RESEARCH HIGHLIGHTS IDS presented pathognomonic dilatation of the jejunum up to Meckel's diverticulum.IDS caused weight loss, decreased egg production, and increased culling and mortality.Chicken parvovirus (ChPV) was consistently detected through PCR assays.Chicken megrivirus (ChMV) was consistently detected through viral metagenomics.
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Affiliation(s)
- Luis Fabian N Nuñez
- Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas (UDLA), Quito, Ecuador
| | - Ruy D Chacón
- Laboratory of Avian Diseases, School of Veterinary Medicine and Animal Science, Department of Pathology, University of São Paulo, São Paulo, Brazil
| | | | - Silvana H Santander-Parra
- Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas (UDLA), Quito, Ecuador
| | | | - Christian J Sánchez-Llatas
- Faculty of Biology, Department of Genetics, Physiology, and Microbiology, Complutense University of Madrid, Madrid, Spain
| | - Pablo Cea-Callejo
- Faculty of Biology, Department of Genetics, Physiology, and Microbiology, Complutense University of Madrid, Madrid, Spain
| | - Stefhany Valdeiglesias Ichillumpa
- Laboratorio de Fisiología Molecular, Instituto de Investigación en Ganadería y Biotecnología, Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas (UNTRM), Amazonas, Peru
| | - Claudete S Astolfi Ferreira
- Laboratory of Avian Diseases, School of Veterinary Medicine and Animal Science, Department of Pathology, University of São Paulo, São Paulo, Brazil
| | - Lilian Rose Marques de Sá
- Laboratory of Diagnostic and Environmental Pathology, School of Veterinary Medicine and Animal Science, Department of Pathology, University of São Paulo, São Paulo, Brazil
| | - Antonio J Piantino Ferreira
- Laboratory of Avian Diseases, School of Veterinary Medicine and Animal Science, Department of Pathology, University of São Paulo, São Paulo, Brazil
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Nwokorogu VC, Pillai S, San JE, Pillay C, Nyaga MM, Sabiu S. A metagenomic investigation of the faecal RNA virome structure of asymptomatic chickens obtained from a commercial farm in Durban, KwaZulu-Natal province, South Africa. BMC Genomics 2024; 25:629. [PMID: 38914944 PMCID: PMC11194887 DOI: 10.1186/s12864-024-10517-6] [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: 01/13/2024] [Accepted: 06/12/2024] [Indexed: 06/26/2024] Open
Abstract
BACKGROUND Virome studies on birds, including chickens are relatively scarce, particularly from the African continent. Despite the continuous evolution of RNA viruses and severe losses recorded in poultry from seasonal viral outbreaks, the information on RNA virome composition is even scantier as a result of their highly unstable nature, genetic diversity, and difficulties associated with characterization. Also, information on factors that may modulate the occurrence of some viruses in birds is limited, particularly for domesticated birds. Viral metagenomics through advancements in sequencing technologies, has enabled the characterization of the entire virome of diverse host species using various samples. METHODS The complex RNA viral constituents present in 27 faecal samples of asymptomatic chickens from a South African farm collected at 3-time points from two independent seasons were determined, and the impact of the chicken's age and collection season on viral abundance and diversity was further investigated. The study utilized the non-invasive faecal sampling method, mRNA viral targeted enrichment steps, a whole transcriptome amplification strategy, Illumina sequencing, and bioinformatics tools. RESULTS The results obtained revealed a total of 48 viral species spanning across 11 orders, 15 families and 21 genera. Viral RNA families such as Coronaviridae, Picornaviridae, Reoviridae, Astroviridae, Caliciviridae, Picorbirnaviridae and Retroviridae were abundant, among which picornaviruses, demonstrated a 100% prevalence across the three age groups (2, 4 and 7 weeks) and two seasons (summer and winter) of the 27 faecal samples investigated. A further probe into the extent of variation between the different chicken groups investigated indicated that viral diversity and abundance were significantly influenced by age (P = 0.01099) and season (P = 0.00099) between chicken groups, while there was no effect on viral shedding within samples in a group (alpha diversity) for age (P = 0.146) and season (P = 0.242). CONCLUSION The presence of an exceedingly varied chicken RNA virome, encompassing avian, mammalian, fungal, and dietary-associated viruses, underscores the complexities inherent in comprehending the causation, dynamics, and interspecies transmission of RNA viruses within the investigated chicken population. Hence, chickens, even in the absence of discernible symptoms, can harbour viruses that may exhibit opportunistic, commensal, or pathogenic characteristics.
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Affiliation(s)
- Vivian C Nwokorogu
- Department of Biotechnology and Food Science, Durban University of Technology, P.O. Box 1334, Durban, 4000, South Africa
| | - Santhosh Pillai
- Department of Biotechnology and Food Science, Durban University of Technology, P.O. Box 1334, Durban, 4000, South Africa
| | - James E San
- Nelson Mandela School of Medicine, KwaZulu-Natal Research Innovation and Sequencing platform unit, University of KwaZulu- Natal, 719 Umbilo Road, Durban, 4001, South Africa
| | - Charlene Pillay
- Department of Biotechnology and Food Science, Durban University of Technology, P.O. Box 1334, Durban, 4000, South Africa
| | - Martin M Nyaga
- Next Generation Sequencing Unit, Division of Virology, Faculty of Health Sciences, University of the Free State, P.O. Box 339, Bloemfontein, 9300, South Africa
| | - Saheed Sabiu
- Department of Biotechnology and Food Science, Durban University of Technology, P.O. Box 1334, Durban, 4000, South Africa.
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FUJINO K, HORIE M, AIHARA N, KAMIIE J, TAHARAGUCHI S. Detection of chicken chapparvovirus 2 in chickens with hemorrhagic hepatitis in Japan. J Vet Med Sci 2024; 86:396-399. [PMID: 38346726 PMCID: PMC11061579 DOI: 10.1292/jvms.23-0415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/28/2024] [Indexed: 04/02/2024] Open
Abstract
Chicken chaphamaparvovirus causes diarrheal symptoms and can be detected in fecal samples. This study reports the detection of chicken chapparvovirus 2 in debilitated chickens with hemorrhagic hepatitis at a broiler farm in Japan. After euthanasia and necropsy, liver hemorrhage was observed. Nuclear inclusion bodies in the hepatocytes were identified using histological analysis. High-throughput sequencing analysis using RNA from livers of three affected chickens revealed infection by chicken chapparvovirus 2 and chicken anemia virus. Polymerase chain reaction analysis showed that all three chickens were positive for chicken chapparvovirus 2, and only one was positive for both chicken chapparvovirus 2 and chicken anemia virus. In conclusion, chicken chapparvovirus 2 causes infection in chickens in Japan and might be involved in hemorrhagic hepatitis.
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Affiliation(s)
- Kan FUJINO
- Laboratory of Microbiology, School of Veterinary Medicine,
Azabu University, Kanagawa, Japan
| | - Masayuki HORIE
- Laboratory of Veterinary Microbiology, Graduate School of
Veterinary Science, Osaka Prefecture University, Osaka, Japan
- Osaka International Research Center for Infectious Diseases,
Osaka Metropolitan University, Osaka, Japan
| | - Naoyuki AIHARA
- Laboratory of Veterinary Pathology, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Junichi KAMIIE
- Laboratory of Veterinary Pathology, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Satoshi TAHARAGUCHI
- Laboratory of Microbiology, School of Veterinary Medicine,
Azabu University, Kanagawa, Japan
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Bi X, Song Z, Meng F, Sun S, Du X, Yang M, Zhou D, Cheng X, Ding L, Shi H, Lang F, Luan H, Deng B, Yang L, Cheng Z. Molecular characteristics and pathogenicity of a novel chicken astrovirus variant. Vet Res 2023; 54:117. [PMID: 38066626 PMCID: PMC10709865 DOI: 10.1186/s13567-023-01250-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
It is well-established that the genetic diversity, regional prevalence, and broad host range of astroviruses significantly impact the poultry industry. In July 2022, a small-scale commercial broiler farm in China reported cases of growth retardation and a 3% mortality rate. From chickens displaying proventriculitis and pancreatitis, three chicken astroviruses (CAstV) isolates were obtained and named SDAU2022-1-3. Complete genomic sequencing and analysis revealed the unique characteristics of these isolates from known CAstV strains in ORF1a, ORF1b, and ORF2 genes, characterized by an unusually high variability. Analysis of amino acid mutations in ORF1a, ORF1b, and ORF2 indicated that the accumulation of these mutations played a pivotal role in the emergence of the variant strain. Inoculation experiments demonstrated that affected chickens exhibited liver and kidney enlargement, localized proventricular hemorrhage, and a dark reddish-brown appearance in about two-thirds of the pancreas. Histopathological examination unveiled hepatic lymphocytic infiltration, renal tubular epithelial cell swelling, along with lymphocytic proventriculitis and pancreatitis. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) analysis indicated viremia and viral shedding at 3 days post-infection (dpi). The proventriculus displayed the highest viral loads, followed by the liver, kidney, duodenum, and pancreas. Liver parameters (AST and ALT) and kidney parameters (UA and UN) demonstrated mild damage consistent with earlier findings. While the possibility of new mutations in the ORF2 gene of CAstV causing proventriculitis and pancreatitis warrants further investigation, these findings deepen our comprehension of CAstV's pathogenicity in chickens. Additionally, they serve as valuable references for subsequent research endeavors.
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Affiliation(s)
- Xiaoqing Bi
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Zhenrui Song
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Fanrun Meng
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Shiwei Sun
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Xusheng Du
- College of Agricultural Science and Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Mengzan Yang
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Defang Zhou
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Xiangyu Cheng
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Longying Ding
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Hengyang Shi
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China
| | - Feng Lang
- Qingdao Yibang Bioengineering Co, Qingdao, 266000, China
| | - Huaibiao Luan
- Qingdao Yibang Bioengineering Co, Qingdao, 266000, China
| | - Bing Deng
- Agricultural and Animal Husbandry Science Research and Promotion Center of Shigatse City, Shigatse, 857000, China
| | - Liangyu Yang
- College of Veterinary Medicine, Yunnan Agricultural University, Kunming, 650000, China
| | - Ziqiang Cheng
- College of Veterinary Medicine, Shandong Agricultural University, Tai'an, 271018, China.
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Stegmüller S, Qi W, Torgerson PR, Fraefel C, Kubacki J. Hazard potential of Swiss Ixodes ricinus ticks: Virome composition and presence of selected bacterial and protozoan pathogens. PLoS One 2023; 18:e0290942. [PMID: 37956168 PMCID: PMC10642849 DOI: 10.1371/journal.pone.0290942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Ticks play an important role in transmitting many different emerging zoonotic pathogens that pose a significant threat to human and animal health. In Switzerland and abroad, the number of tick-borne diseases, in particular tick-borne encephalitis (TBE), has been increasing over the last few years. Thus, it remains essential to investigate the pathogen spectrum of ticks to rapidly detect emerging pathogens and initiate the necessary measures. To assess the risk of tick-borne diseases in different regions of Switzerland, we collected a total of 10'286 ticks from rural and urban areas in ten cantons in 2021 and 2022. Ticks were pooled according to species, developmental stage, gender, and collection site, and analyzed using next generation sequencing (NGS) and quantitative polymerase chain reaction (qPCR). The metagenomic analysis revealed for the first time the presence of Alongshan virus (ALSV) in Swiss ticks. Interestingly, the pool-prevalence of ALSV was higher than that of tick-borne encephalitis virus (TBEV). Furthermore, several TBEV foci have been identified and pool prevalence of selected non-viral pathogens determined.
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Affiliation(s)
- Stefanie Stegmüller
- Institute of Virology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Weihong Qi
- Functional Genomics Center Zurich, Zurich, Switzerland
| | - Paul R. Torgerson
- Section of Epidemiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Cornel Fraefel
- Institute of Virology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Jakub Kubacki
- Institute of Virology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
- Institute of Virology and Immunology, Mittelhäusern, Switzerland
- Department of Infectious Diseases and Pathobiology (DIP), Vetsuisse Faculty, University of Bern, Bern, Switzerland
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Kariithi HM, Volkening JD, Chiwanga GH, Pantin-Jackwood MJ, Msoffe PLM, Suarez DL. Genome Sequences and Characterization of Chicken Astrovirus and Avian Nephritis Virus from Tanzanian Live Bird Markets. Viruses 2023; 15:1247. [PMID: 37376547 DOI: 10.3390/v15061247] [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] [Received: 04/29/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
The enteric chicken astrovirus (CAstV) and avian nephritis virus (ANV) are the type species of the genus Avastrovirus (AAstV; Astroviridae family), capable of causing considerable production losses in poultry. Using next-generation sequencing of a cloacal swab from a backyard chicken in Tanzania, we assembled genome sequences of ANV and CAstV (6918 nt and 7318 nt in length, respectively, excluding poly(A) tails, which have a typical AAstV genome architecture (5'-UTR-ORF1a-ORF1b-ORF2-'3-UTR). They are most similar to strains ck/ANV/BR/RS/6R/15 (82.72%) and ck/CAstV/PL/G059/14 (82.23%), respectively. Phylogenetic and sequence analyses of the genomes and the three open reading frames (ORFs) grouped the Tanzanian ANV and CAstV strains with Eurasian ANV-5 and CAstV-Aii viruses, respectively. Compared to other AAstVs, the Tanzanian strains have numerous amino acid variations (substitutions, insertions and deletions) in the spike region of the capsid protein. Furthermore, CAstV-A has a 4018 nt recombinant fragment in the ORF1a/1b genomic region, predicted to be from Eurasian CAstV-Bi and Bvi parental strains. These data should inform future epidemiological studies and options for AAstV diagnostics and vaccines.
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Affiliation(s)
- Henry M Kariithi
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, Agricultural Research Service, USDA, Athens, GA 30605, USA
- Biotechnology Research Institute, Kenya Agricultural and Livestock Research Organization, Kaptagat Rd, Nairobi P.O. Box 57811-00200, Kenya
| | | | - Gaspar H Chiwanga
- Tanzania Veterinary Laboratory Agency, South Zone, Mtwara P.O. Box 186, Tanzania
| | - Mary J Pantin-Jackwood
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, Agricultural Research Service, USDA, Athens, GA 30605, USA
| | - Peter L M Msoffe
- Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Chuo Kikuu, Morogoro P.O. Box 3000, Tanzania
| | - David L Suarez
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, Agricultural Research Service, USDA, Athens, GA 30605, USA
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Genome Sequence of Alongshan Virus from Ixodes ricinus Ticks Collected in Switzerland. Microbiol Resour Announc 2023; 12:e0128722. [PMID: 36779723 PMCID: PMC10019301 DOI: 10.1128/mra.01287-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
Abstract
Here, we report the detection of an Alongshan virus (ALSV) strain in Switzerland. Next-generation sequencing of homogenates from Ixodes ricinus ticks collected in Canton Grisons, Switzerland, in 2022 yielded a coding-complete ALSV genome.
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Esposito AM, Esposito MM, Ptashnik A. Phylogenetic Diversity of Animal Oral and Gastrointestinal Viromes Useful in Surveillance of Zoonoses. Microorganisms 2022; 10:microorganisms10091815. [PMID: 36144417 PMCID: PMC9506515 DOI: 10.3390/microorganisms10091815] [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: 07/20/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Great emphasis has been placed on bacterial microbiomes in human and animal systems. In recent years, advances in metagenomics have allowed for the detection and characterization of more and more native viral particles also residing in these organisms. The digestive tracts of animals and humans—from the oral cavity, to the gut, to fecal excretions—have become one such area of interest. Next-generation sequencing and bioinformatic analyses have uncovered vast phylogenetic virome diversity in companion animals, such as dogs and cats, as well as farm animals and wildlife such as bats. Zoonotic and arthropod-borne illnesses remain major causes of worldwide outbreaks, as demonstrated by the devastating COVID-19 pandemic. This highlights the increasing need to identify and study animal viromes to prevent such disastrous cross-species transmission outbreaks in the coming years. Novel viruses have been uncovered in the viromes of multiple organisms, including birds, bats, cats, and dogs. Although the exact consequences for public health have not yet become clear, many analyses have revealed viromes dominated by RNA viruses, which can be the most problematic to human health, as these genomes are known for their high mutation rates and immune system evasion capabilities. Furthermore, in the wake of worldwide disruption from the COVID-19 pandemic, it is evident that proper surveillance of viral biodiversity is crucial. For instance, gut viral metagenomic analysis in dogs has shown close relationships between the highly abundant canine coronavirus and human coronavirus strains 229E and NL63. Future studies and vigilance could potentially save many lives.
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Affiliation(s)
| | - Michelle Marie Esposito
- Department of Biology, College of Staten Island, City University of New York, Staten Island, NY 10314, USA
- PhD Program in Biology, The Graduate Center, City University of New York, New York, NY 10016, USA
- Correspondence:
| | - Albert Ptashnik
- Department of Biology, College of Staten Island, City University of New York, Staten Island, NY 10314, USA
- PhD Program in Biology, The Graduate Center, City University of New York, New York, NY 10016, USA
- DDS Program, NYU College of Dentistry, New York, NY 10010, USA
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