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Studies on the Superoxide Dismutases (SOD) from Stenotrophomonas Maltophilia 276

Abstract in Arabic第16-19页
Abstract in Chinese第19-21页
Abstract in English第21页
Chapter 1 A brief overview of reactive oxygen and antioxidant第24-35页
    1.1 Introduction第24-25页
    1.2 The nature of oxygen free radical第25-26页
    1.3 The antioxidant defense system第26-28页
    1.4 Regulation of antioxidant enzyme expression and activity第28-31页
    1.5 Antioxidant enzymes in health and disease第31-32页
    1.6 Antioxidant and foods第32-35页
Chapter 2 Review of related literature on SOD第35-60页
    2.1 Introduction第35页
    2.2 The properties and structures of SOD第35-41页
        2.2.1 Cytosolic Cu/Zn SOD第36-37页
        2.2.2 Periplasmic Cu/Zn SODs第37页
        2.2.3 Mn-SOD第37-40页
        2.2.4 Fe-SOD第40页
        2.2.5 Extracellular SOD第40-41页
    2.3 Assays for SOD activity第41-47页
        2.3.1 Spectrophotometric Detection第44-45页
        2.3.2 Detection SOD by PAGE第45-46页
        2.3.3 Chemiluminescence Method第46-47页
        2.3.4 Electron spin resonance spectroscopy (ESR) method第47页
    2.4 The Isolation and Purification of SOD第47-55页
        2.4.1 Cytosolic Cu/Zn SOD第47-49页
        2.4.2 EC SOD第49-51页
        2.4.3 Mn SOD第51-54页
        2.4.4 Fe SOD第54-55页
    2.5 Electrophoretic methods for the analysis of SODs第55-58页
        2.5.1 Identification and quantitative analysis第55-57页
        2.5.2 Analysis of isozymes第57-58页
    2.6 The application of SOD第58页
    2.7 The Objectives of This Research第58-60页
Chapter 3 Isolation of bacterial strains and detection of SOD第60-68页
    3.1 Material and methods第62-65页
        3.1.1 Material for bacterial isolation第62-63页
        3.1.2 Chemicals第63页
        3.1.3 Preparation of media第63页
        3.1.4 Isolation of bacterial strains第63页
        3.1.5 Preparation of cell extract第63-64页
        3.1.6 SOD activity assay by photochemical method第64页
        3.1.7 Detection of SOD activity in PAGE第64-65页
    3.2 Results第65-68页
        3.2.1 Isolation and collection of bacterial strains第65页
        3.2.2 Detection of SOD produce by different bacterial strains第65-67页
        3.2.3 Detection SOD activities by PAGE第67-68页
Chapter 4 Identification of bacterial strain 276第68-77页
    4.1 Material and methods第68-75页
        4.1.1 Bacterial staining第68-69页
            4.1.1.1 Gram staining第68-69页
            4.1.1.2 Flagellum staining第69页
        4.1.2 Motivity第69页
        4.1.3 The color of colony on blood agar plate第69-70页
        4.1.4 Biochemical Tests第70-75页
            4.1.4.1 Oxidase第70页
            4.1.4.2 Catalase第70页
            4.1.4.3 Oxygen/fomentation (O/F) test第70-71页
            4.1.4.4 IMViC Test第71-72页
                A. Indole production第71页
                B. Methyl-red第71页
                C. Vogas-Proskauer (V-P)第71-72页
            4.1.4.4 Citrate utilization第72页
            4.1.4.5 Hydrolysis第72-74页
                A. Starch Hydrolysis第72页
                B. Lipid Hydrolysis第72-73页
                C. Gelatin第73页
                D. Esculin第73页
                E. Urea第73页
                F. Dnase第73-74页
            4.1.4.6 Acid production from carbohydrate第74页
            4.1.4.7 ON PG第74页
            4.1.4.8 Arginine第74页
            4.1.4.9 Lysine第74页
            4.1.4.10 Ornithine第74-75页
    4.2 Results第75-76页
        4.2.1 Gram staining第75页
        4.2.2 The color of colony on blood agar plate第75页
        4.2.3 Biochemical tests第75-76页
    4.4 Conclusion第76-77页
Chapter 5 The Purification and the property study of SOD produced by Stenotrophomonas maltophilia276第77-96页
    5.1 Material and methods第78-85页
        5.1.1 The production of SOD cultured in different media第78页
        5.1.2 The growth of bacteria and the production of SOD第78页
        5.1.3 Preparation of cell extract第78-79页
        5.1.4 Precipitation of SOD by ammonium sulfate第79-80页
        5.1.5 Ion-exchange chromatography第80页
        5.1.6 Gel filtration chromatography第80页
        5.1.7 Protein determinations by Bradford assay第80-81页
            A. Preparation of Bradford stock solution第80页
            B. Preparation of Bradford working buffer第80-81页
            C. Assay procedure第81页
        5.1.8 SOD Activity assay by photochemical method第81页
        5.1.9 Electrophoresis and Detection of SOD第81-83页
            5.1.9.1 SDS polyacrylamide gel Electrophoresis (SDS-PAGE)第81-83页
            5.1.9.2 Active gel detection of SOD第83页
        5.1.10 The affect of chemical inhibitors on SOD activity第83-84页
        5.1.11 The thermal stability of SOD第84页
        5.1.12 The Stability of SOD in pH第84页
        5.1.13 The Stability of SOD in Illumination第84-85页
    5.2 Results第85-96页
        5.2.1 The production of SOD cultured in different media第85页
        5.2.2 The growth of bacteria and production of SOD第85-86页
        5.2.3 Precipitation of SOD by ammonium sulfates第86-87页
        5.2.4 Purification of SOD第87-91页
            5.2.5.1 Ion-exchange chromatography第88页
            5.2.5.2 Gel filtration chromatograph第88-89页
            5.2.5.3 SDS-PAGE Electrophoresis of SOD第89-90页
            5.2.5.4 Native PAGE electrophoresis and activity detection of SOD第90-91页
        5.2.5 Effect of chemical inhibitors on Mn-SOD activity第91页
        4.2.6 Identification of Mn-SOD in the active gel第91-92页
        5.2.7 The stability of SOD in pH第92-93页
        5.2.8 The thermal stability of SOD第93-94页
        5.2.9 The Stability of SOD in Illumination第94-96页
Chapter 6 Cloning and Analysis of SOD Gene in Stenotrophomonas maltophilia 276第96-107页
    6.1 Materials and methods第96-101页
        6.1.1 The preparation of Genomic DNA from S. maltophilia 276第96-97页
        6.1.2 The Probe construction and PCR第97-98页
        6.1.3 The cloning of PCR products第98-99页
            6.1.3.1 Preparation of competent cells第98页
            6.1.3.2 DNA ligation第98-99页
            6.1.3.3 DNA Transformatio第99页
        6.1.4 The isolation and purification of plasmid DNA第99-101页
        6.1.4 DNAA sequencing第101页
    6.2 Results第101-107页
Chapter 7 Discussion第107-113页
Chapter 8 Conclusion第113-115页
References第115-133页
10 Equipment and chemicals used in this study第133-136页
    10.1 Apparatus and equipment第133-134页
    10.2 Chemicals第134-136页
Appendix第136-139页

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