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Population Genetics Structure of Bactrocera Minax (Diptera: Tephritidae) and Role of Culturable Symbiotic Bacteria on Its Fitness

Abstract第7-9页
中文摘要第10-13页
Abbreviation list第13-15页
Chapter 1: General Introduction第15-29页
    1.1 Insect-bacteria interactions第16页
        1.1.1 Symbiotic relation第16页
        1.1.2 Pathogenic relationship第16页
    1.2 The intestinal microbiota第16-19页
        1.2.1 The insect gut microbiota第17页
        1.2.2 Factors affecting the insect gut microbiota第17-19页
    1.3 Transmission pattern of gut bacteria in insects第19页
        1.3.1 Vertical transmission第19页
        1.3.2 Horizontal transmission第19页
    1.4 Benefits of bacterial symbiosis in insects第19-21页
        1.4.1 Defense against parasites第20页
        1.4.2 Development of resistance and immunity against pathogens第20-21页
        1.4.3 Role of bacteria in host thermoregulation第21页
    1.5 Bacterial symbiosis in tephritids fruit flies第21-22页
    1.6 Population genetics and structure第22-25页
        1.6.1 Genetic variation in populations第22-23页
        1.6.2 Natural selection第23页
        1.6.3 Mutations第23页
        1.6.4 Genetic drift第23页
        1.6.5 Gene flow第23-24页
        1.6.6 Genetic hitchhiking第24页
        1.6.7 Importance of Population genetics第24-25页
    1.7 Biology and the management of Bactrocera minax第25-27页
        1.7.1 Seasonal phenology第26页
        1.7.2 Management of Bactrocera minax第26-27页
    1.8 Objective of the proposed research第27-29页
Chapter 2: Population Genetics and Structure of the Chinese Citrus Fly, Bactrocera minax (Diptera: Tephritidae) Based on Cytochrome c oxidase I第29-45页
    2.1 Introduction第29-30页
    2.2 Materials and methods第30-34页
        2.2.1 Sample collection第30页
        2.2.2 Identification of B. minax第30-31页
        2.2.3 DNA extraction第31-32页
        2.2.4 Amplification of DNA第32页
        2.2.5 Data analysis第32页
        2.2.6 Phylogenetic analyses第32-33页
        2.2.7 Genetic diversity within the population第33-34页
    2.3 Results第34-42页
        2.3.1 Identification of B. minax第34-35页
        2.3.2 Genetic diversity第35-40页
        2.3.3 Analysis of population variations第40-42页
    2.4 Discussion第42-45页
Chapter 3: Isolation and identification of culturable enteric bacterial communities from Chinese Citrus Fly (Bactrocera minax)第45-58页
    3.1 Introduction第45-46页
    3.2 Material and methods第46-51页
        3.2.1 Collection of B. minax samples第46页
        3.2.2 Gut extraction of B. minax and isolation of bacteria第46-47页
        3.2.3 Identification by using the biochemical method第47-50页
        3.2.4 DNA extraction and strain identification第50-51页
    3.3 Results第51-56页
        3.3.1 Bacteria identification第51-55页
        3.3.2 Confirmation of identified bacteria by 16S r RNA gene第55-56页
    3.4 Discussion第56-58页
Chapter 4: Tissue localization of genetically modified GFP or RFP bacteria in the gut of B. minax第58-73页
    4.1 Introduction第58-59页
    4.2 Material and methods第59-63页
        4.2.1 Insects第59页
        4.2.2 Bacterial strain第59页
        4.2.3 Fluorescent plasmids第59-61页
        4.2.4 Feeding of GFP and RFP marked bacteria to B. minax第61-62页
        4.2.5 Observation of GFP or RFP-labelled bacteria in the intestinal tract of flies第62页
        4.2.6 Quantification of marked bacteria第62-63页
        4.2.7 Statistical Analysis第63页
    4.3 Results第63-71页
        4.3.1 Fluorescent plasmids expression第63页
        4.3.2 The spatiotemporal pattern of GFP-labeled Citrobacter braakii in B. mina第63-66页
        4.3.3 The spatiotemporal pattern of RFP marked Klebsiella pneumoniae in B. minax第66-68页
        4.3.4 The spatiotemporal pattern of RFP marked Klebsiella oxytoca in B. minax第68-71页
    4.4 Discussion第71-73页
Chapter 5: The impact of bacteria on the fitness of the Chinese citrus fly, Bactrocera minax (Diptera: Tephritidae)第73-87页
    5.1 Introduction第73-74页
    5.2 Material and methods第74-78页
        5.2.1 Collection of B. minax samples第74页
        5.2.2 Selection of Antibiotics第74-76页
        5.2.3 Experimental diet and treatments第76页
        5.2.4 Feeding experiments第76-78页
        5.2.5 Statistical analysis第78页
    5.3 Results第78-84页
        5.3.1 Antibiotics susceptibility第78页
        5.3.2 Selection of antibiotics第78-79页
        5.3.3 The effects of bacteria and antibiotic supplementation on B. minax longevity第79-81页
        5.3.4 The effects of bacteria and antibiotic supplementation on B. minax fecundity第81-82页
        5.3.5 The effect of bacteria and antibiotics supplementation on B. minax mating第82-83页
        5.3.6 The effect of bacteria and antibiotics on B. minax dry weight and wing length第83-84页
    5.4 Discussion第84-87页
Chapter 6: General discussions and Future Work第87-90页
References第90-109页
Acknowledgements第109-110页
Curriculum vitae第110-114页

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