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Protection against turkey rhinotracheitis pneumovirus (TRTV) induced by a fowlpox virus recombinant expressing the TRTV fusion glycoprotein (F). 1994

Y Qingzhong, and T Barrett, and T D Brown, and J K Cook, and P Green, and M A Skinner, and D Cavanagh
AFRC Institute for Animal Health, Compton Laboratory, Newbury, Berkshire, UK.

A recombinant fowlpox virus was produced which expressed the fusion protein (F) of turkey rhinotracheitis virus (TRTV), a pneumovirus. Turkey poults were vaccinated twice, at an interval of 2 weeks, intramuscularly and by wing web on each occasion, with the recombinant or a control fowlpox virus. Two weeks after the second vaccination the poults were challenged superconjunctivally and intranasally with virulent TRTV. A partially protective immune response was achieved; turkeys vaccinated with the F recombinant showed milder clinical signs and 1000-fold less challenge virus was recovered from the nose and trachea compared with turkeys that had been vaccinated with control fowlpox virus. Expression of the F protein induced antibodies which were detectable both by an ELISA and a virus neutralization test. These results show that the immune responses to the F protein play a major role in protection against TRTV and indicate that recombinant viruses expressing the TRTV F protein have potential as vaccines against TRT.

UI MeSH Term Description Entries
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D005587 Fowlpox virus The type species of the genus AVIPOXVIRUS. It is the etiologic agent of FOWLPOX. Fowl Pox Virus,Fowl Pox Viruses,Fowlpox viruses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D014614 Vaccines, Synthetic Small synthetic peptides that mimic surface antigens of pathogens and are immunogenic, or vaccines manufactured with the aid of recombinant DNA techniques. The latter vaccines may also be whole viruses whose nucleic acids have been modified. Antigens, Synthetic,Chemical Vaccine,Chemical Vaccines,Immunogens, Synthetic,Molecular Vaccine,Molecular Vaccines,Recombinant Vaccine,Semisynthetic Vaccine,Semisynthetic Vaccines,Synthetic Antigen,Synthetic Vaccine,Synthetic Vaccines,Vaccines, Recombinant,Synthetic Antigens,Synthetic Immunogens,Vaccines, Chemical,Vaccines, Molecular,Vaccines, Semisynthetic,Antigen, Synthetic,Recombinant Vaccines,Vaccine, Chemical,Vaccine, Molecular,Vaccine, Recombinant,Vaccine, Semisynthetic,Vaccine, Synthetic
D014760 Viral Fusion Proteins Proteins, usually glycoproteins, found in the viral envelopes of a variety of viruses. They promote cell membrane fusion and thereby may function in the uptake of the virus by cells. Fusion Proteins, Viral,Viral Fusion Glycoproteins,F Protein (Sendai Virus),F Protein Measles Virus,F Protein Newcastle Disease Virus,F Protein SV,F-Glycoprotein SV,F1 Polypeptide (Paramyxovirus),Fusion Glycoprotein, Viral,Fusion VP1 Protein,Glycoprotein, Viral Fusion,Measles Fusion Protein,Mumps Virus Fusion Protein,Paramyxovirus Fusion Protein,Sendai Virus Fusion Protein,Viral Fusion-GP,Virus Fusion Proteins,Fusion Glycoproteins, Viral,Fusion Protein, Measles,Fusion Protein, Paramyxovirus,Fusion Proteins, Virus,Fusion-GP, Viral,Glycoproteins, Viral Fusion,Proteins, Virus Fusion,VP1 Protein, Fusion,Viral Fusion GP,Viral Fusion Glycoprotein
D014765 Viral Vaccines Suspensions of attenuated or killed viruses administered for the prevention or treatment of infectious viral disease. Viral Vaccine,Vaccine, Viral,Vaccines, Viral
D018111 Pneumovirus A genus of the family PARAMYXOVIRIDAE (subfamily PNEUMOVIRINAE) where the human and bovine virions have neither hemagglutinin nor neuraminidase activity. RESPIRATORY SYNCYTIAL VIRUS, HUMAN is the type species.

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