声明
摘要
ABSTRACT
CONTENTS
ABBREVIATIONS
Chapter Ⅰ
1.INTRODUCTION
2.MATERIALS AND METHODS
2.1 Materials
2.2 Methods
3.RESULTS
3.1 Illumina Sequencing and the Virome of Mosquitoes
3.2 Differential analysis of viral families in three samples
3.3 PCR Identification of Metavirome Results
3.4 PCR Amplification of Dengue Virus Gene
3.5 PCR Amplification of Zika Virus Gene
3.6 PCR Amplification of Japanese encephalitis virus Gene
4.DISCUSSION
5.CONCLUSIoNS
Chapter Ⅱ
1.INTRODUCTION
2.MATERIALS AND METHODS
2.1 Design of universal primers
2.2 Mosquitoes collection
2.3 Extraction of viral RNA
2.4 Detection of viruses
2.5 Phylogenetic analysis for the full E sequences of JEV
2.6 Cell culture
2.7 Isolation of viruses
2.8 Identification by indirect immunofluorescence assay(IFA)
2.9 Observation of negative-stain electron microscopy
2.10 Whole genome sequencing of newly isolated JEV
2.11 Detection of viral titer
2.12 Viral LD50 detection on suckling mice
2.13 Pathological changes in cerebrum of BALB/c suckling mice after inoculation with JEV
2.14 Detection of virai titer of different passages
2.15 The variability of envelope(E)gene of different passage viruses
2.16 The variability of envelope gene of different passage viruses after BALB/c mice infection
3.RESULTS
3.1 Viral sequences detection and virus isolation
3.2 CPE on BHK-21 cells
3.3 Identification by indirect immunofluorescence assay(IFA)
3.4 Negative-stain electron microscopy of JEV particles
3.5 Phylogenetic analysis for the full E sequences of JEV
3.6 Variation analysis for the full E sequences of JEV
3.7 The viral titer and LD50 of JEV-China/YN2016-1
3.8 Pathological changes in cerebrum of BALB/c suckling mice caused by JEV
3.9 The viral titer of JEV-China/YN2016-1 of different passage viruses
3.10 The variability of JEV-China/YN2016-1 E gene of different passage viruses
3.11 The variability of envelope gene after BALB/c mice infection with different passage viruses
4.DISCUSSION
5.Conclusion
REFERENCES
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致谢