声明
Table of contents
摘要
Abstract
List of abbreviations
CHAPTER 1 INTRODUCTION AND REVIEW OF LITERATURE
2.Diseases of catfish
3.Overview of fish immunity
4.Immune-relevant protein in fish
4.1.RAG2
4.2.Cyclophilin A
4.3.Mechanism of CypA chemotaxis and leukocyte activation
4.4.CypA serves as a co-factor in leukocyte chemotaxis
4.5.CypA induced leukocyte chemotaxis
4.6.Inhibition of the chemotactic activity of CypA
5.Objectives
CHAPTER 2 CHANNEL CATFISH VIRUS INFECTION IN CHANNEL CATFISH OVARY CELLS
1.Introduction
2.Materials and methods
2.2. Extraction of total RNA,purification of mRNA and sequencing of cDNA
2.4.Evaluation of the expression level of genes
2.5.Verification of the expression level of genes by qRT-PCR
2.6.Apoptosis evaluation in CCO cells using staining
2.7.Caspases assay
3.Results
3.1.Construction and analysis of the transcriptomic sequences assembly
3.2.Evaluation of the functionally annotated DEGs
3.3.Evaluation of the up and down regulated unigenes
3.4.Confirmaction of the transcriptomic genes via qRT-PCR
3.5.The apoptosis induced by CCV infection in CCO cells
3.6.CCV infection induced apoptosis via extrinsic pathway in CCO cells
4.Discussion
CHAPTER 3 ANALYSIS OF RAG2 IN CHINESE YELLOW CATFISH
1.Introduction
2.Material and methods
2.3.Sequence characterization and phylogenetic analysis
2.4.Production of YC-RAG2 polyclonal antibody
2.5.Analysis of yellow catfish RAG2 transcript by qRT-PCR
2.7.Analysis of the transcript expression level of RAG2,IL-1β and TNF-α in fish tissues after E.ictaluri infection
2.8. Examination of YC-RAG2 protein distribution after E.ictaluri infection
3.Results
3.1.Cloning,classification and phylogenetic evaluation of RAG2 sequence
3.2.Antibody specificity and expression level of YC-RAG2 in Various tissues
3.3.The transcript expression of YC-RAG2 in E.lctaluri challenged fish
3.4.The level of expressions of IL-1β and TNF-α in lymphoid tissue of yellow catfish after bacterial infbction
4.Discussion
CHAPTER 4 FUNCTIONAL ANALYSIS OF CYCLOPHILIN A
1.Introduction
2.Materials and Methods
2.2.Mass spectrometric analysis
2.4.Sample preparation,plasmids construction and protein expression
2.5.Leukocytes separation
2.7.Chemotaxis assay of CypA recombinant protein
2.8.Statistics
3.Results
3.1 Mass spectrometry and western blot analysis
3.2 Chemotaxis Assay of skin mucus
3.3.Chemotactic activity of mutant CypA
4.Discussion
Conclusions
References
List of publications
Acknowledgements