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巴基斯坦传染性法氏囊病病毒分子流行病学研究

摘要第6-7页
abstract第7-8页
Abbreviations第15-16页
Chapter 1 Introduction第16-36页
    1.1 Infectious bursal disease(IBD)第16-17页
        1.1.1 Overview of IBD第16页
        1.1.2 Epidemiology of IBD第16-17页
    1.2 Infectious bursal disease virus(IBDV)第17-22页
        1.2.1 Classification and morphological structure第17页
        1.2.2 Genomic structure第17-18页
        1.2.3 Evolution of IBDV第18-19页
        1.2.4 Coding Proteins第19-22页
            1.2.4.1 VP1第19-20页
            1.2.4.2 VP2第20-21页
            1.2.4.3 VP3第21页
            1.2.4.4 VP4第21-22页
            1.2.4.5 VP5第22页
    1.3 Reassortment of IBDV第22-25页
        1.3.1 vv-A/ Att-B第22-23页
        1.3.2 Att-A/ vv-B第23-24页
        1.3.3 vv-A/ c-B第24页
        1.3.4 vv-A/ var-B第24页
        1.3.5 vv-A/ II-B:第24页
        1.3.6 vv-A/ Uniq-B第24-25页
    1.4 Diagnosis of IBD第25-27页
        1.4.1 Clinical diagnosis第25页
        1.4.2 Laboratory diagnosis第25-27页
            1.4.2.1 RT-PCR第25-26页
            1.4.2.2 qRT-PCR第26页
            1.4.2.3 LAMP第26页
            1.4.2.4 RFLP第26页
            1.4.2.5 AGPT第26-27页
            1.4.2.6 ELISA第27页
            1.4.2.7 Histopathology assay第27页
    1.5 Vaccine of IBD第27-30页
        1.5.1 Inactivated vaccines:第27-28页
        1.5.2 Attenuated live vaccines第28页
        1.5.3 Immune complex vaccines第28页
        1.5.4 Live vector vaccines第28-29页
        1.5.5 DNA vaccine第29页
        1.5.6 Subunit vaccine第29-30页
    1.6 Poultry industry and avain disease in Pakistan第30-32页
        1.6.1 Poultry industry in Pakistan第30-31页
        1.6.2 Avian disease threat in Pakistan第31-32页
        1.6.3 National policy for healthy breeding第32页
    1.7 IBD in Pakistan第32-35页
        1.7.1 Threat of IBD in Pakistan第32-33页
        1.7.2 Epidemiology of IBD in Pakistan第33-34页
        1.7.3 Control of IBD in Pakistan第34-35页
        1.7.4 Problems in IBD control in Pakistan第35页
    1.8 Research purpose and significance第35-36页
Chapter 2 Detection and genetic evolution analysis of IBDV in Pakistan第36-52页
    2.1 Materials and methods第36-40页
        2.1.1 Key reagents and instruments第36页
        2.1.2 Primers第36页
        2.1.3 Clinical samples第36-37页
        2.1.4 RT-PCR detection第37-38页
        2.1.5 Amplification and sequencing of VP第38页
        2.1.6 Amplification and sequencing of VP第38页
        2.1.7 Sequencing第38页
        2.1.8 Sequence analyses第38-40页
    2.2 Results第40-49页
        2.2.1 IBDV detection第40-42页
        2.2.2 Molecular characterization of VP2 of Pakistan strains第42页
        2.2.3 Molecular characterization of VP1 of Pakistan isolates第42页
        2.2.4 Phylogeny analysis第42-49页
    2.3 Discussion第49-52页
        2.3.1 IBD infections are widespread in Pakistan第49页
        2.3.2 The reassortant IBDVs(vv-A/Uniq-B)with regional characters are the predominant strains in Pakistan第49-52页
Chapter 3 Virus isolation and biological character identification of Pakistan IBDVs第52-71页
    3.1 Materials and methods第52-56页
        3.1.1 Key reagents and instruments第52页
        3.1.2 Primers第52-53页
        3.1.3 SPF embryonated eggs and chickens第53页
        3.1.4 Virus isolation第53页
        3.1.5 Virus purity detection第53页
        3.1.6 Virus titration第53页
        3.1.7 Viral genome clone第53-54页
            3.1.7.1 Segment A clone第54页
            3.1.7.2 Segment B clone第54页
        3.1.8 Genome sequence analysis第54-55页
        3.1.9 Animal experiments第55-56页
        3.1.10 Statistical analysis第56页
    3.2 Results第56-69页
        3.2.1 Virus isolation and identification第56-57页
        3.2.2 Clone and determination of the complete genome第57页
        3.2.3 Virus genome sequence analysis第57-66页
            3.2.3.1 Molecular characterization of segment A of Pakistan IBDVs第57-58页
            3.2.3.2 Molecular characterization of segment B of Pakistan IBDVs第58页
            3.2.3.3 Phylogeny analysis第58-66页
        3.2.4 Pathogenicity of Pakistan IBDVs第66-69页
            3.2.4.1 Pathogenicity of PK2 strain第66-69页
            3.2.4.2 Pathogenicity of other Pakistan IBDVs第69页
    3.3 Discussion第69-71页
        3.3.1 The full-length genome analysis further confirmed the unique reassortant characteristics of Pakistan IBDVs第69页
        3.3.2 Pakistan reassortant IBDVs showed high pathogenicity第69-71页
Chapter 4 Evaluation of vaccines against Pakistan IBDVs第71-78页
    4.1 Materials and methods第71-72页
        4.1.1 Key reagents and instruments第71页
        4.1.2 SPF chickens第71页
        4.1.3 IBD vaccines第71页
        4.1.4 Challenge protection experiment第71-72页
        4.1.5 Statistical analysis第72页
    4.2 Results第72-74页
        4.2.1 Clinical observation第72-73页
        4.2.2 Postmortem第73页
        4.2.3 Body weight第73-74页
    4.3 Discussion第74-78页
        4.3.1 Vaccines available can provide clinical protection against Pakistan IBDVs第74-75页
        4.3.2 Various factors might be involved in avian disease in immunized chicken flocks第75-78页
Chapter 5 Conclusion第78-79页
References第79-93页
Attachment第93-97页
Acknowledgement第97-98页
Author Biography第98-99页

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