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Tang S, Li J, Chang YF, Lin W. Avian Leucosis Virus-Host Interaction: The Involvement of Host Factors in Viral Replication. Front Immunol 2022; 13:907287. [PMID: 35693802 PMCID: PMC9178239 DOI: 10.3389/fimmu.2022.907287] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 04/29/2022] [Indexed: 11/13/2022] Open
Abstract
Avian leukosis virus (ALV) causes various diseases associated with tumor formation and decreased fertility. Moreover, ALV induces severe immunosuppression, increasing susceptibility to other microbial infections and the risk of failure in subsequent vaccination against other diseases. There is growing evidence showing the interaction between ALV and the host. In this review, we will survey the present knowledge of the involvement of host factors in the important molecular events during ALV infection and discuss the futuristic perspectives from this angle.
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Affiliation(s)
- Shuang Tang
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction of Ministry of Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jie Li
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Yung-Fu Chang
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Wencheng Lin
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, and Key Laboratory of Chicken Genetics, Breeding and Reproduction of Ministry of Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
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Freick M, Schreiter R, Weber J, Vahlenkamp TW, Heenemann K. Avian leukosis virus (ALV) is highly prevalent in fancy-chicken flocks in Saxony. Arch Virol 2022; 167:1169-1174. [PMID: 35301570 PMCID: PMC8964621 DOI: 10.1007/s00705-022-05404-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 02/24/2022] [Indexed: 11/30/2022]
Abstract
The current prevalence of avian leukosis virus (ALV) in fancy chickens in Germany is unknown. Therefore, 537 cloacal swabs from 50 purebred fancy-chicken flocks in Saxony were tested for the presence of the ALV p27 protein using a commercial antigen-capture ELISA. The detection rate was 28.7% at the individual-animal level and 56.0% at the flock level. Phylogenetic analysis of PCR products obtained from 22 different flocks revealed the highest similarity to ALV subtype K. When classifying breeds by their origin, ALV detection rates differed significantly. Evaluation of questionnaire data revealed no significant differences between ALV-positive and negative flocks regarding mortality.
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Affiliation(s)
- Markus Freick
- Faculty Agriculture/Environment/Chemistry, HTW Dresden-University of Applied Sciences, Pillnitzer Platz 2, 01326, Dresden, Germany.
| | - Ruben Schreiter
- ZAFT e.V.-Centre for Applied Research and Technology, Friedrich-List-Platz 1, 01069, Dresden, Germany
| | - Jim Weber
- Veterinary Practice Zettlitz, Straße der Jugend 68, 09306, Zettlitz OT Methau, Germany
| | - Thomas W Vahlenkamp
- Veterinary Faculty, Center for Infectious Diseases, Institute of Virology, University of Leipzig, An den Tierkliniken 29, 04103, Leipzig, Germany
| | - Kristin Heenemann
- Veterinary Faculty, Center for Infectious Diseases, Institute of Virology, University of Leipzig, An den Tierkliniken 29, 04103, Leipzig, Germany
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Mucksová J, Reinišová M, Kalina J, Lejčková B, Hejnar J, Trefil P. Conservation of chicken male germline by orthotopic transplantation of primordial germ cells from genetically distant donors†. Biol Reprod 2020; 101:200-207. [PMID: 30980659 DOI: 10.1093/biolre/ioz064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 01/31/2019] [Accepted: 04/12/2019] [Indexed: 02/07/2023] Open
Abstract
Successful derivation and cultivation of primordial germ cells (PGCs) opened the way to efficient transgenesis and genome editing in the chicken. Furthermore, implantation of male PGCs from non-chicken galliform species into the chicken embryos resulted in cross-species germline chimeras and viable offspring. We have recently improved the PGC technology by demonstrating that chicken male PGCs transplanted into the testes of adult cockerel recipients mature into functional sperms. However, the availability of this orthotopic transplantation for cross-species transfer remains to be explored. Here we tested the capacity of genetically distant male PGCs to mature in the microenvironment of adult testes. We derived PGCs from the Chinese black-bone Silkie and transplanted them into infertile White Leghorn cockerels. Within 15-18 weeks after transplantation, we observed restoration of spermatogenesis in recipient cockerels and production of healthy progeny derived from the transplanted PGCs. Our findings also indicate the possibility of cross-species orthotopic transplantation of PGCs. Thus, our results might contribute to the preservation of endangered avian species and maintaining the genetic variability of the domestic chicken.
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Affiliation(s)
- Jitka Mucksová
- BIOPHARM, Research Institute of Biopharmacy and Veterinary Drugs, Jílové u Prahy, Czech Republic
| | - Markéta Reinišová
- Institute of Molecular Genetics, Czech Academy of Sciences, Prague, Czech Republic
| | - Jiří Kalina
- BIOPHARM, Research Institute of Biopharmacy and Veterinary Drugs, Jílové u Prahy, Czech Republic
| | - Barbora Lejčková
- BIOPHARM, Research Institute of Biopharmacy and Veterinary Drugs, Jílové u Prahy, Czech Republic
| | - Jiří Hejnar
- Institute of Molecular Genetics, Czech Academy of Sciences, Prague, Czech Republic
| | - Pavel Trefil
- BIOPHARM, Research Institute of Biopharmacy and Veterinary Drugs, Jílové u Prahy, Czech Republic
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Li X, Chen W, Zhang H, Li A, Shu D, Li H, Dai Z, Yan Y, Zhang X, Lin W, Ma J, Xie Q. Naturally Occurring Frameshift Mutations in the tvb Receptor Gene Are Responsible for Decreased Susceptibility of Chicken to Infection with Avian Leukosis Virus Subgroups B, D, and E. J Virol 2018; 92:e01770-17. [PMID: 29263268 PMCID: PMC5874434 DOI: 10.1128/jvi.01770-17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 12/13/2017] [Indexed: 12/29/2022] Open
Abstract
The group of highly related avian leukosis viruses (ALVs) in chickens are thought to have evolved from a common retroviral ancestor into six subgroups, A to E and J. These ALV subgroups use diverse cellular proteins encoded by four genetic loci in chickens as receptors to gain entry into host cells. Hosts exposed to ALVs might be under selective pressure to develop resistance to ALV infection. Indeed, resistance alleles have previously been identified in all four receptor loci in chickens. The tvb gene encodes a receptor, which determines the susceptibility of host cells to ALV subgroup B (ALV-B), ALV-D, and ALV-E. Here we describe the identification of two novel alleles of the tvb receptor gene, which possess independent insertions each within exon 4. The insertions resulted in frameshift mutations that reveal a premature stop codon that causes nonsense-mediated decay of the mutant mRNA and the production of truncated Tvb protein. As a result, we observed that the frameshift mutations in the tvb gene significantly lower the binding affinity of the truncated Tvb receptors for the ALV-B, ALV-D, and ALV-E envelope glycoproteins and significantly reduce susceptibility to infection by ALV-B, ALV-D and ALV-E in vitro and in vivo Taken together, these findings suggest that frameshift mutation can be a molecular mechanism of reducing susceptibility to ALV and enhance our understanding of virus-host coevolution.IMPORTANCE Avian leukosis virus (ALV) once caused devastating economic loss to the U.S. poultry industry prior the current eradication schemes in place, and it continues to cause severe calamity to the poultry industry in China and Southeast Asia, where deployment of a complete eradication scheme remains a challenge. The tvb gene encodes the cellular receptor necessary for subgroup B, D, and E ALV infection. Two tvb allelic variants that resulted from frameshift mutations have been identified in this study, which have been shown to have significantly reduced functionality in mediating subgroup B, D, and E ALV infection. Unlike the control of herpesvirus-induced diseases by vaccination, the control of avian leukosis in chickens has relied totally on virus eradication measures and host genetic resistance. This finding enriches the allelic pool of the tvb gene and expands the potential for genetic improvement of ALV resistance in varied chicken populations by selection.
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Affiliation(s)
- Xinjian Li
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
| | - Weiguo Chen
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou, People's Republic of China
| | - Huanmin Zhang
- USDA, Agriculture Research Service, Avian Disease and Oncology Laboratory, East Lansing, Michigan, USA
| | - Aijun Li
- College of Science and Engineering, Jinan University, Guangzhou, People's Republic of China
| | - Dingming Shu
- Institute of Animal Science, Guangdong Academy of Agriculture Sciences, Guangzhou, People's Republic of China
| | - Hongxing Li
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
| | - Zhenkai Dai
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
| | - Yiming Yan
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
| | - Xinheng Zhang
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
| | - Wencheng Lin
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou, People's Republic of China
| | - Jingyun Ma
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou, People's Republic of China
| | - Qingmei Xie
- College of Animal Science, South China Agricultural University and Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, Guangzhou, People's Republic of China
- Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou, People's Republic of China
- South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou, People's Republic of China
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