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Construction, Immunogenicity and Protective Efficacy of the Spike Glycoprotein (S1) of Infectious Bronchitis Virus with a Replication-defective Adenovirus Vector

Acknowledgements第4-12页
List of abbreviations第12-14页
Summary第14-16页
Chapter 1 A review of advanced research on infectious bronchitis virus and vaccinedevelopment第17-37页
    1. Coronavirus avian infectious bronchitis virus第17-27页
        1.1 Classification第17-19页
        1.2 Structure and morphology第19-20页
        1.3 Genome organization第20-21页
        1.4 Nonstructural proteins第21页
        1.5 Structural proteins第21-23页
            1.5.1 Spike protein第21-22页
            1.5.2 Envelope protein第22页
            1.5.3 Membrane protein第22页
            1.5.4 Nucleocapsid protein第22-23页
            1.5.5 Accessory proteins第23页
        1.6 Replication cycle第23-25页
            1.6.1 Attachment and entry第23-24页
            1.6.2 Replication and transcription第24-25页
            1.6.3 Translation第25页
            1.6.4 Assembly and budding第25页
        1.7 Pathogenesis of IBV第25-27页
    2. Vaccine development against IBV第27-30页
        2.1 Live vaccines第28页
        2.2 Inactivated virus and subunit vaccines第28-29页
        2.3 Vector vaccines第29页
        2.4 Recombinant Human adenovirus serotype 5 as vaccine candidate第29-30页
    3. Aims of the study第30-31页
    References第31-37页
Chapter 2 Identification of a nephropathogenic strain of infectious bronchitis virus(IBV)第37-55页
    Abstract第37-38页
    1. Introduction第38-39页
    2. Materials and methods第39-48页
        2.1 Embryonated eggs and chickens第39页
        2.2 Virus isolation and propagation第39-44页
            2.2.1 Incubation of eggs before inoculation第39-40页
            2.2.2 Incubation of eggs after inoculation第40页
            2.2.3 Candling eggs to determining the viability of the embryo第40-41页
            2.2.4 Marking the inoculation site第41-42页
            2.2.5 Inoculation of embryonated eggs by the allantoic cavity route第42页
            2.2.6 Protocol of virus inoculation第42-44页
        2.3 Virus titration第44-45页
            2.3.1 Collection of blood from chickens第44页
            2.3.2 Washing the red blood cells第44-45页
            2.3.3 Hemagglutination(HA)assay第45页
        2.4 Determination of 50 percent embryo infectious dose(EID_(50))第45-46页
        2.5 Experimental infection of chicken第46页
        2.6 Histopatological analysis第46-47页
        2.7 Virus recovery by RT-PCR第47-48页
    3. Results and discussion第48-52页
        3.1 Determination of chicken embryos inoculated with EID_(50)第48-49页
        3.2 Clinical signs and gross lesions第49-50页
        3.3 Histopathological changes第50-51页
        3.4 PCR identification of IBV第51-52页
    References第52-55页
CHAPTER 3 Cloning, prokaryotic expression and identification of truncated Spikegene of IBV (Scoo) and chicken granulocyte- macrophage colonystimulating factor (GM-CSF)第55-81页
    Abstract第55-56页
    1. Introduction第56-57页
    2. Materials and methods第57-73页
        2.1 Strategies for protein expression in E. coli第57页
        2.2 Virus and mice第57-58页
        2.3 RNA extraction and reverse transcription第58-59页
        2.4 Amplification of truncated fragments of S1(S_(f200))and GM-CSF第59-61页
            2.4.1 Agarose gel electrophoresis第61页
        2.5 Construction of prokaryotic expression vectors第61-65页
            2.5.1 Protocol of DNA purification using gel extraction kit第61-63页
            2.5.2 Restriction digestion protocol第63-64页
            2.5.3 Quantification of DNA and RNA using spectrophotometer第64页
            2.5.4 Ligation protocol第64-65页
        2.6 Transformation protocol第65-66页
            2.6.1 Preparation of competent E.coli using CaCl_2第65页
            2.6.2 Transformation of plasmid to competent cells第65-66页
        2.7 Plasmid extraction(Mini prep method)第66-68页
        2.8 Expression and purification of recombinant S_(f200) and GM-CSF proteins第68页
        2.9 Generation of polyclonal antisera in mice第68-69页
        2.10 SDS-PAGE and Western blot第69-73页
            2.10.1 SDS-PAGE Protocol第69-70页
            2.10.2 Western blotting protocol第70-73页
    3. Results and discussion第73-77页
        3.1 Antigencity Index of S_(f200) anf GM-CSF第73-74页
        3.2 Cloning and sequence analysis of S_(f200) and GM-CSF genes第74-75页
        3.3 Identification of recombinant pET-32a-S_(f200) and pET-32a-GM第75页
        3.4 SDS-PAGE and immunobloting第75-77页
    References第77-81页
Chapter 4 Immunogenicity and protective efficacy of a replication-defective infectiousbronchitis virus vaccine using an adenovirus vector and administeredin ovo第81-109页
    Abstract第81-82页
    1. Introduction第82-85页
        1.1 A replication-deficient recombinant adenovirus第82-84页
        1.2 In ovo immunization第84-85页
    2. Materials and methods第85-96页
        2.1 Embryonated eggs and chickens第85页
        2.2 Viruses and cells第85-86页
        2.3 Cloning and sequencing of S1第86-87页
        2.4 Cloning S1 of IBV into a pAdTrack-CMV shuttle vector第87页
        2.5 Generating recombinant adenovirus plasmids using AdEasier cells第87-91页
            2.5.1 Protocol for making electrocompetent bacteria cells第89页
            2.5.2 Checking competency of electrocompetent cells第89-90页
            2.5.3 Transformation by electroporation第90-91页
        2.6 Generating recombinant adenoviruses in HEK-293 packaging cells第91-92页
        2.7 Preparation of recombinant adenovirus stolcks第92页
        2.8 Identification and Expression ofIBV S1 glycoprotein by recombinant virus第92-93页
            2.8.1 Immunofluorescence assay第92页
            2.8.2 Western blot analysis第92-93页
        2.9 Immunization of chickens with the recombinant Ad5 vector vaccine第93页
        2.10 Detection of anti-IBV specific antibodies第93-94页
        2.11 Cytokine assays第94-95页
        2.12 Protective efficacy against virulent IBV challenge第95页
        2.13 Detecting of IBV in kidney tissues by RT-PCR第95页
        2.14 Pathological examination第95页
        2.15 Statistics第95-96页
    3. Results第96-103页
        3.1 Amplification and cloning of S1 gene of IBV第96页
        3.2 Identification of recombinant plasmid(rAdTrack-S1)第96-97页
        3.3 Identification of recombinant adenovirus plasmid(rAdEasy-S1)第97页
        3.4 Harvesting of recombinant adenovirus第97-98页
        3.5 Detection of S1 mRNA by RT-PCR第98页
        3.6 Expression of IBV S 1 glycoprotein by recombinant adenovirus第98-99页
        3.7 Humoral immune responses of recombinant adenovirus vectored IBV vaccine第99-100页
        3.8 Th1-type and Th2-type cytokine responses in vaccinated chickens第100-101页
        3.9 Protective efficacy against virulent IBV challenge第101-103页
    4. Discussion第103-105页
    Acknowledgements第105页
    References第105-109页
CHAPTER 5 Protective immune responses induced by in ovo immunization withrecombinant adenoviruses expressing Spike (SI) glycoprotein ofinfectious bronchitis virus fused/co-administered with granulocyte-macrophage colony stimulating factor第109-133页
    Abstract第109-110页
    1. Introduction第110-112页
        1.1 Cytokines as adjuvants第110-111页
        1.2 Chicken cytokines as potential adjuvants第111-112页
    2. Materials and methods第112-118页
        2.1 Embryonated eggs and chickens第112页
        2.2 Viruses and cells第112-113页
        2.3 Amplification of mature peptide of chicken GM-CSF gene第113页
        2.4 Construction and generation of recombinant adenoviruses第113-114页
        2.5 Identification of recombinant viruses第114-115页
            2.5.1 Western blot assay第114-115页
            2.5.2 Immunofluorescence assay(IFA)第115页
        2.6 Bone marrow proliferation assay第115-116页
        2.7 Animal experiments第116-118页
            2.7.1 Vaccination of chickens with recombinant adenoviruses第116页
            2.7.2 Detection of anti-IBV specific antibodies第116页
            2.7.3 T lymphocyte proliferation assay第116-117页
            2.7.4 Cytokine assays第117页
            2.7.5 Protection against virulent challenge第117页
            2.7.6 Detecting of virus in kidney tissues by RT-PCR第117页
            2.7.7 Pathological examination第117-118页
        2.8 Statistics第118页
    3. Results第118-125页
        3.1 Construction and characterization of recombinant viruses第118页
        3.2 Expression of recombinant proteins第118-119页
        3.3 Bioactivity of GM-CSF第119-120页
        3.4 Induction of immune responses第120-122页
            3.4.1 Humoral immune responses第120-121页
            3.4.2 Th1-type and Th2-type cytokine responses第121-122页
        3.5 S1-protein-specific T cell proliferation第122-123页
        3.6 Protection of chickens against IBV challenge第123-125页
    4. Discussion第125-127页
    Acknowledgements第127页
    References第127-133页
Conclusion and perspective第133-134页
Research publications第134-135页
Abstract and presentations第135页

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