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Part I.3 Methods in Molecular Cell Biology 304515 Molecular Biology of the Cell Teacher: Montarop Yamabhai

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Presentation on theme: "Part I.3 Methods in Molecular Cell Biology 304515 Molecular Biology of the Cell Teacher: Montarop Yamabhai"— Presentation transcript:

1 Part I.3 Methods in Molecular Cell Biology 304515 Molecular Biology of the Cell Teacher: Montarop Yamabhai http://www.sut.ac.th/AgriTech/Biotech/mywebpage.html

2 Manipulating cells in the culture Isolating cells –Disrupt extracellular matrix with proteolytic enzymes or EDTA –Fluorescence-activated cell sorter Growing cells in culture dishes –Primary cell culture Prepare directly from tissues of an organism –Cell line Immortalized, can grow indefinitely

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6 Fractionation of Cells Organelles and macromolecules can be separated by ultracentrifugation There are 2 types of sedimentations –Velocity sedimentation –Equilibrium sedimentation

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11 DNA Engineeting

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41 Analyzing Protein Structure and Function Chromatography / HPLC / FPLC –Ion-exchange/hydrophobic chromatography –Gel-filtration chromatography –Affinity chromatography Gel Electrophoresis Western Blotting Mass spectrometry X-ray crystallography/NMR spectroscopy Protein-protein interaction Protein-DNA interaction

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47 Determination of size and subunit of a protein by SDS polyacrylamide-Gel Electrophoresis

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56 Determination of 3D Structure of the Proteins

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60 The study of protein-protein interacton Affinity Chromatography and Immunoprecipitation Yeast Two-Hybrid System Phage Display Method

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66 Studying gene expression and function Genetic Screen Microarrays Targeted mutations

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77 Visualizing Cells

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84 Fluorescence Microscopy

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92 Electron Microscopy Transmission electron microscopy TEM Scanning electron microscopy SEM Electron microscope tomography

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97 Visualize molecules in living cells Visualize ion with light-emiting indicator Visualize GFP-tagged proteins Trace molecules in cells by pulse-chase experiment

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