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五种植物内生真菌的分离及其次级代谢产物生物活性研究

Abstract第9-10页
摘要第11-12页
Chapter 1 Review第12-18页
    1.1 Research advance on endophytic fungi in plants第12-15页
        1.1.1 Definition of endophytic fungi in plants第12页
        1.1.2 Distribution of endophytic fungi in plants第12页
        1.1.3 Biological effects of Endophytic Fungi on their host plants第12-13页
        1.1.4 Endophytic fungi as a source of bioactive natural products第13-15页
            1.1.4.1 Endophyte as source of Anti-Fungal reagent第13页
            1.1.4.2 Endophyte as source of Anti-cancer reagent第13-14页
            1.1.4.3 Endophyte as source of Anti-Tuberculosis reagent第14页
            1.1.4.4 Endophyte as source of antioxidants第14页
            1.1.4.5 Endophyte as source of Anti-inflammatory reagent第14-15页
    1.2 The medicinal plants that were studied in this research第15-18页
        1.2.1 Desmodium elegans (圆锥山蚂蟥)第15页
        1.2.2 Iris alctea(马蔺)第15-16页
        1.2.3 Pedicularis resupinata (马先蒿)第16页
        1.2.4 Salvia miltiorrhiza(丹参)第16-17页
        1.2.5 Parasenecio ambiguus(两似蟹甲草)第17-18页
Chapter 2 Isolation and purification of endophytic fungi from five plants第18-24页
    2.1 Introduction第18页
    2.2 Experimental materials and instruments第18-19页
        2.2.1 Experimental plant samples第18页
        2.2.2 Experimental instruments第18-19页
        2.2.3 chemicals第19页
        2.2.4 Culture medium第19页
    2.3 Experimental method第19-20页
        2.3.1 Isolation and purification of Endophytic Fungi第19-20页
    2.4 Results and discussion第20-24页
        2.4.1 Result第20-23页
            2.4.1.1 Isolation and purification of Endophytic Fungi第20页
            2.4.1.2 Morphological characteristics of endophytic fungi isolated from 5 plants第20-23页
        2.4.2 Discussion第23-24页
Chapter 3 Extract of Secondary metabolites of endophytic fungi and their biological activityagainst MAO and ACHE第24-37页
    3.1 Introduction第24-25页
    3.2 Experimental materials第25-27页
        3.2.1 Experimental strains第25页
        3.2.2 Culture medium第25页
        3.2.3 Chemicals and Instruments第25-27页
            3.2.3.1 Reagents and drugs第25-26页
            3.2.3.2 Instruments第26-27页
        3.2.4 experimental animal第27页
    3.3 Experimental method第27-30页
        3.3.1 Fermentation of endophytic fungi and sample preparation第27页
        3.3.2 Monoamine oxidase (MAO) inhibitory activity assay第27-29页
            3.3.2.1 Preparation of the solutions第27-28页
            3.3.2.2 Preparation of monoamine oxidase第28页
            3.3.2.3 Determination of monoamine oxidase inhibtory activity of 70 crude extracts第28-29页
        3.3.3 Acetylcholinesterase inhibitory activity assay第29-30页
            3.3.3.1 Preparation of the solutions第29页
            3.3.3.2 Determination of acetylcholinesterase activity of crude extracts第29-30页
    3.4 Experimental results and discussion第30-37页
        3.4.1 Results第30-35页
            3.4.1.1 Monoamine oxidase inhibitory activity of extracts第30-33页
            3.4.1.2 Acetylcholinesterase activity of crude extracts第33-35页
        3.4.2 Discussion第35-37页
Chapter 4 A preliminary study on the chemical constituents of endophytic fungi SMH-3第37-48页
    4.1 introduction第37页
    4.2 Materials and instruments第37-40页
        4.2.1 fungi materials第37页
        4.2.2 Culture medium第37-38页
        4.2.3 Experimental materials and instruments第38-40页
            4.2.3.1 Instruments第38-39页
            4.2.3.2 Reagents第39页
            4.2.3.3 Preparation method of chromogenic agent第39-40页
    4.3 Experimental method第40-41页
        4.3.2 Preliminary study on chemical constituents of strain SMH-3第40-41页
            4.3.2.1 Fermentation of strain SMH-3第40页
            4.3.2.2 Extraction of secondary metabolites from strain SMH-3第40页
            4.3.2.3 Isolation and purification of chemical constituents from crude extract of strain第40-41页
        4.3.7 Monoamine oxidase (MAO) inhibitory activity assay of isolated compounds第41页
            4.3.7.1 Sample preparation第41页
            4.3.7.2 Monoamine oxidase (MAO) inhibitory activity assay第41页
        4.3.8 Acetylcholinesterase inhibitory activity assay of isolated compounds第41页
            4.3.8.1 Sample preparation第41页
            4.3.8.2 Acetylcholinesterase inhibitory activity assay第41页
    4.4 Experimental results and discussion第41-46页
        4.4.1 Structural identification of compounds第41-45页
            4.4.1.1 structures of the compounds第42-43页
            4.4.1.2 Identification of compounds第43-45页
        4.4.2 Monoamine oxidase inhibitory activity of compounds第45-46页
        4.4.3 Acetylcholinesterase inhibitory activity of compounds第46页
    4.5 discussion第46-48页
Chapter 5 Molecular identification of endophytic fungi SMH-3第48-56页
    5.1 Introduction第48-49页
        5.1.1 Materials第48页
        5.1.2 Experimental reagents第48-49页
        5.1.3 Experimental instrument第49页
    5.2 Experimental method第49-52页
        5.2.1 Molecular Examination and Phylogenetic Analyses第49-52页
            5.2.1.1 Strain Cultivation第49页
            5.2.1.2 DNA extraction from mycelia第49-50页
            5.2.1.4 ITS-PCR amplification第50-51页
                5.2.1.4.1 ITS primer sequence第50页
                5.2.1.4.2 PCR system第50页
                5.2.1.4.3 PCR condition:第50-51页
            5.2.1.6 Detection of PCR amplification purity第51页
            5.2.1.7 Detection of DNA purity第51页
            5.2.1.8 Purification and Sequencing of amplified products第51页
            5.2.1.9 Analysis of PCR product sequences第51-52页
        5.2.2 Morphological Examination第52页
    5.4 Experimental results第52-55页
        5.4.1 Genome DNA testing第52页
        5.4.2 Molecular biological identification第52-53页
        5.4.3 Clustering analysis of endophytic fungi SMH-3第53页
        5.4.4 SMH-3 phylogenetic tree第53-55页
    5.5 Experiment discussion第55-56页
Conclusion第56-57页
REFRENCES第57-64页
ACKNOWLEDGEMENT第64-65页
附录 A(攻读硕士学位期间所发表的论文及成果)第65页

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