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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, Valdeiglesias Ichillumpa S, 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; 53:520-532. [PMID: 38916258 DOI: 10.1080/03079457.2024.2372486] [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: 02/07/2024] [Revised: 06/18/2024] [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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Chacón RD, Sánchez-Llatas CJ, da Costa AC, Valdeiglesias Ichillumpa S, Cea-Callejo P, Marín-Sánchez O, Astolfi-Ferreira CS, Santander-Parra S, Nuñez LFN, Piantino Ferreira AJ. Molecular and Evolutionary Characteristics of Chicken Parvovirus (ChPV) Genomes Detected in Chickens with Runting-Stunting Syndrome. Viruses 2024; 16:1389. [PMID: 39339865 PMCID: PMC11436221 DOI: 10.3390/v16091389] [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: 06/12/2024] [Revised: 08/13/2024] [Accepted: 08/28/2024] [Indexed: 09/30/2024] Open
Abstract
Chicken Parvovirus (ChPV) belongs to the genus Aveparvovirus and is implicated in enteric diseases like runting-stunting syndrome (RSS) in poultry. In RSS, chicken health is affected by diarrhea, depression, and increased mortality, causing significant economic losses in the poultry industry. This study aimed to characterize the ChPV genomes detected in chickens with RSS through a metagenomic approach and compare the molecular and evolutionary characteristics within the Aveparvovirus galliform1 species. The intestinal content of broiler flocks affected with RSS was submitted to viral metagenomics. The assembled prevalent genomes were identified as ChPV after sequence and phylogenetic analysis, which consistently clustered separately from Turkey Parvovirus (TuPV). The strain USP-574-A presented signs of genomic recombination. The selective pressure analysis indicated that most of the coding genes in A. galliform1 are evolving under diversifying (negative) selection. Protein modeling of ChPV and TuPV viral capsids identified high conservancy over the VP2 region. The prediction of epitopes identified several co-localized antigenic peptides from ChPV and TuPV, especially for T-cell epitopes, highlighting the immunological significance of these sites. However, most of these peptides presented host-specific variability, obeying an adaptive scenario. The results of this study show the evolutionary path of ChPV and TuPV, which are influenced by diversifying events such as genomic recombination and selective pressure, as well as by adaptation processes, and their subsequent immunological impact.
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Affiliation(s)
- Ruy D Chacón
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
| | - Christian J Sánchez-Llatas
- Department of Genetics, Physiology, and Microbiology, Faculty of Biology, Complutense University of Madrid, 28040 Madrid, Spain
| | - Antonio Charlys da Costa
- Laboratory of Virology (LIM 52), Department of Infectious Diseases, Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo 05403-000, Brazil
| | - 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, Chachapoyas 01001, Peru
| | - Pablo Cea-Callejo
- Department of Genetics, Physiology, and Microbiology, Faculty of Biology, Complutense University of Madrid, 28040 Madrid, Spain
| | - Obert Marín-Sánchez
- Departamento Académico de Microbiología Médica, Facultad de Medicina, Universidad Nacional Mayor de San Marcos, Lima 15081, Peru
| | - Claudete S Astolfi-Ferreira
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
| | - Silvana Santander-Parra
- Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas, Quito EC 170124, Ecuador
| | - Luis F N Nuñez
- Facultad de Ciencias de la Salud, Carrera de Medicina Veterinaria, Universidad de Las Américas, Quito EC 170124, Ecuador
- One Health Research Group, Universidad de Las Américas, Quito EC 170124, Ecuador
| | - Antonio J Piantino Ferreira
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
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Han X, Yin L, Liang X, Liang H. Molecular characterization of chicken astrovirus and pathogenicity of a novel isolate in China. Front Microbiol 2023; 14:1280313. [PMID: 38149277 PMCID: PMC10751203 DOI: 10.3389/fmicb.2023.1280313] [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: 08/20/2023] [Accepted: 10/24/2023] [Indexed: 12/28/2023] Open
Abstract
As an enteric virus, chicken astrovirus has been related to various kinds of diseases in chickens, including white chick syndrome, runting-stunting syndrome, severe kidney disease, urate deposits and visceral gout, generating economic losses in the poultry industry globally. The complete ORF2 gene of 31 CAstV isolates in six provinces of China during 2020-2022 was characterized and analyzed with the purpose of better understanding the molecular epidemiology and genetic diversity of CAstV field isolates. Phylogenetic analysis which was based on the complete ORF2 (capsid) amino acid sequence of 31 CAstV isolates and 57 reference strains indicated that 2 isolates belonged to subgroup Ai, 10 isolates belonged to subgroup Bi, 3 isolates belonged to subgroup Bii, 5 isolates belonged to subgroup Biii, 7 isolates belonged to subgroup Biv, 3 isolates belonged to subgroup Bv, and one isolate (JS202103) belonged to a new B subgroup. In addition, the novel CAstV strain JS202103 was successfully isolated in vitro, and its whole genome shared 76.9-94.3% identity with the 29 CAstV reference strains. JS202103 caused hatchability reduction, dead embryos, kidney disease and visceral gout in chicken embryos. Moreover, this is the also the initial study focusing on diverse CAstV strains including subgroups Biii, Biv, and Bv circulate in China. The current work contributes to improving our understanding of CAstV isolates in China, and it will also provide references for developing efficient measures to control this virus.
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Affiliation(s)
- Xiaofeng Han
- Wen’s Foodstuffs Group Co., Ltd., Yunfu, Guangdong, China
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