2 edition of Major glycoproteins of turkey rhinotracheitis virus found in the catalog.
Major glycoproteins of turkey rhinotracheitis virus
Thesis (Ph.D.) - University of Warwick, 1994.
|Statement||by Katalin Juhasz.|
Avian pneumovirus (APV) (avian or turkey rhinotracheitis virus) vaccines, applied at the hatchery or later, were either not detected or were detected only after a delay of 1 to 3 weeks. Feline rhinotracheitis is an acute upper respiratory virus. Although there are many causes of feline upper respiratory infections, rhinotracheitis is known to be the culprit of roughly 80% of all infections. The virus is very contagious and is known to produce secondary infections, such as chlamydia, feline reovirus and pneumonia.
Paramyxoviridae virions are polymorphic structures composed of a helical nucleocapsid core surrounded by a lipid envelope with associated viral membrane proteins. Although filamentous forms can be seen, virions are usually roughly spherical (see Figure 1) with a diameter usually between and ding 8–20 nm from the membrane are two spikes, one of which is a tetramer of the cell. Feline viral rhinotracheitis (FVR) is an upper respiratory or pulmonary infection of cats caused by Felid alphaherpesvirus 1 (FeHV-1), of the family is also commonly referred to as feline influenza, feline coryza, and feline pneumonia but, as these terms describe other very distinct collections of respiratory symptoms, they are misnomers for the condition.
The work described in this thesis identifies some properties of the major polypeptides of pneumonia virus of mice (PVM) and of turkey rhinotracheitis (TRT) virus. The PVM glycoproteins have been studied in particular detail while the results obtained with TRT virus provide a preliminary description of the polypeptides of this virus. (). A turkey rhinotracheitis outbreak caused by the environmental spread of a vaccine-derived avian metapneumovirus. Avian Pathology: Vol. 40, No. 5, pp.
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Avian metapneumovirus (aMPV), also known as turkey rhinotracheitis or swollen head syndrome, causes a variety of disease syndromes in birds, depending on the bird species and virus type (A, B, C or D).
Type A and B cause acute respiratory tract infection in turkeys, or swollen head syndrome in broilers. First detected in in South Africa, the virus has spread all over the world except Class: Monjiviricetes. Buy Major glycoproteins of turkey rhinotracheitis virus by Katalin Juhasz (ISBN:) from Amazon's Book Store.
Everyday low prices and free delivery on eligible : Katalin Juhasz. The name 'turkey rhinotracheitis' is best used for infections by aMPV, 'turkey coryza' being used for Bordetella avium infection. Domestic fowl Infection with infectious bronchitis virus and mild forms of Newcastle disease virus and avian influenza virus could produce similar clinical signs and pathology as aMPV, as would infection by.
Major glycoproteins of turkey rhinotracheitis virus. Author: Juhasz, Katalin. ISNI: X Awarding Body: University of Warwick Current Institution: University of Warwick Date of Award: Availability of Full Text: Full text unavailable from EThOS.
Feline rhinotracheitis virus is an upper-respiratory-tract pathogen of cats. It may also cause generalized infections or abortions. Antigens present in [35S]methionine- or [14C]glucosamine-labeled.
Turkey rhinotracheitis was first reported in the late s in South Africa 3 and since then, the virus has spread to all major poultry-producing areas in the world, except for Australia 2. ELSEVIER, Veterinary Microbiology 52 () veterinary microbiology Ultrastructural study of turkey rhinotracheitis virus infection in turbinates of experimentally infected chickens N.
Majo a, *, M. Marti b, C.J. O'Loan `, G.M. Allan c, A. Pages d, A. Ramis a a Department of Pathology, School. of Veterinary Medicine, Universitat Autonoma de Barcelona, Bellaterra. A live attenuated turkey rhinotracheitis virus vaccine. The use of the attenuated strain as an experimental vaccine.
Avian Pathol. 18, 8 Cook, J.K.A. and Ellis, M.M. Attenuation of turkey rhinotracheitis virus by alternative passage in embryonated chicken eggs and tracheal organ cultures.
Q. Yu, P.J. Davis, J. Li, D. CavanaghCloning and sequencing of the matrix protein (M) gene of turkey rhinotracheitis virus reveal a gene order different from that of respiratory syncytial virus Virology, (), pp.
Human respiratory syncytial virus (HRSV) is the major cause of severe respiratory infections in very young children (reviewed in reference 10).Viral isolates have been classified into two antigenic groups (A and B) on the basis of differences in reactivity with panels of monoclonal antibodies (1, 27).Like other paramyxoviruses, HRSV encodes two major surface glycoproteins (G and F), which are.
Virus attaches to host cell surface receptors through F and G glycoproteins. Fusion with the plasma membrane; Turkey rhinotracheitis virus (TRTV) Major surface glycoprotein G (Attachment glycoprotein G) 1 entry.
Matrix M2 (Envelope-associated 22 kDa protein) VMA2_TRTV. An epidemiological study of the distribution of turkey rhinotracheitis virus (TRTV) in turkeys in West Germany involved the examination of sera from 44 fattening and 5 parent turkey flocks in the major turkey production areas in and the first half of Neutralization test was used and positive results were only observed in samples from 1-day-old poults and birds of 22 weeks of age.
In Fenner's Veterinary Virology (Fifth Edition), Avian Rhinotracheitis Virus (Avian METAPNEUMOVIRUS) Avian metapneumovirus causes a variety of disease syndromes, depending on the bird species and virus type (types A, B, C, and D). The currently preferred designation for avian metapneumovirus infections is “ avian rhinotracheitis.”The first infections were described in turkeys in.
REVIEW OF TURKEY RHINOTRACHEITIS AND SWOLLEN HEAD SYNDROME. 1 The Poultry Industry in South Africa 1 CHAPTER 2 Symptoms and Pathology caused by Turkey Rhinotracheitis Virus and the Swollen Head Syndrome Virus Global Distribution of TRT and SHS 1.
4 Isolation and Propagation Transmission. The seroprevalence of turkey rhinotracheitis virus (TRTV) in North Germany from to was estimated by testing a non-random sample of turkey sera from turkey flocks in the virus neutralization assay.
% of examined birds had clinical signs of respiratory diseases. Pathological findings were recorded with following frequencies: conjunctivitis %, pneumonia %, sinusitis.
2. Virus Characteristics. The size of FeHV-1 virions ranges from to nm. They are composed of a core containing the double-stranded viral DNA genome, an icosahedral capsid surrounding the core, a tegument layer surrounding the capsid, and a lipid bilayer envelope from which glycoprotein spikes are protruding [6, 7].FeHV-1 primarily infects domestic cats, but lions and.
Turkey rhinotracheitis was first reported in the late s in South Africa 3 and since then, the virus has spread to all major poultry-producing areas in the world, except for Australia 2.
Isolates of AMPV have been classified into four subtypes, A, B, C, and D, based on the level of genetic variations and antigenic differences 4 – 8. Studdert, ). The host range of the virus is determined by both host and viral factors. The circ, UL, UL and US15 genes are peculiar toBHV The repertoire of BHV-1 proteins consists of the major glycoproteins (glycopro-tein B (gB), gC and gD), additional glycoproteins (gE, g1, gH, gL, gG, gK and gM), thymidine kinase (TK) (UL23), a.
that, it is thought the virus particles are huddled together owing to interaction between these proteins [12,13]. S Glycoproteins: S Glycoproteins are located outside the virion and give the virion the typical shape.
Th e S proteins form homotrimers, which allow the formation of sun-like morphologies that give the name of Coronaviruses . Virus attaches to host cell surface receptors through F and G glycoproteins. Fusion with the plasma membrane; ribonucleocapsid is released in the cytoplasm.
Sequential transcription, viral mRNAs are capped and polyadenylated in the cytoplasm. The main causes of Respiratory Disease in turkeys are Mycoplasma and Avian RhinoTracheitis virus (ART).
Often these agents occur together. Mycoplasma can be transmitted through mating, through the air and can be transmitted from the hen to the chick. Mycoplasma can cause snicking, swelling of the face and joint infections leading to lameness.rhinotracheitis virus () Filter by: Remove filter turkey rhinotracheitis virus () Filter by: Remove filter Bovine herpesvirus 1 (BoHV-1) is an important pathogen of domestic and wild cattle responsible for major economic losses in dairy and beef industries.The roles of viral envelope glycoproteins in mediating virus attachment to host cells and catalyzing the subsequent fusion of the viral and host plasma membranes have been well described (reviewed in).
Given the limited number of genes in EBOV and other viruses, it stands to reason that these conformationally labile glycoproteins are also.