Poon Wing-sem. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 163-171). / Abstracts in English and Chinese. / ABSTRACT I-IV --- p.I-IV / ACKNOWLEDGMENTS V --- p.V / TABLE OF CONTENT --- p.VI-VIII / LIST OF FIGURES AND TABLES --- p.IX-XI / LIST OF ABBREVIATIONS --- p.XII / Chapter CHAPTER ONE --- LITERATURE REVIEW --- p.1 / Chapter 1.1 --- Rutaceae --- p.1 / Chapter 1.1.1 --- Introduction --- p.1 / Chapter 1.1.2 --- taxonomy of Rutaceae --- p.2 / Chapter 1.1.3 --- Controversial taxonomic issues --- p.4 / Chapter 1.1.3.1 --- Subfamilies Rutoideae and Toddalioideae --- p.4 / Chapter 1.1.3.2 --- "Euodia, Melicope and Tetradium" --- p.7 / Chapter 1.1.3.2.1 --- History --- p.7 / Chapter 1.1.3.2.2 --- Arguments based on morphology --- p.10 / Chapter 1.2 --- Molecular Approach --- p.12 / Chapter 1.2.1 --- Introduction to molecular systematics --- p.12 / Chapter 1.2.2 --- DNA sequence markers --- p.14 / Chapter 1.2.3 --- Applications --- p.18 / Chapter 1.3 --- Traditional Chinese Medicine (TCM) --- p.21 / Chapter 1.3.1 --- Introduction --- p.21 / Chapter 1.3.2 --- Fructus Evodiae --- p.22 / Chapter 1.3.3 --- Functional chemicals and pharmacological effects of Fructus Evodiae --- p.23 / Chapter 1.3.4 --- Problem in authentication --- p.25 / Chapter 1.4 --- Objectives --- p.27 / Chapter CHAPTER TWO --- METHODOLOGY AND MATERIALS --- p.29 / Chapter 2.1 --- Plant and Herb Materials --- p.29 / Chapter 2.2 --- DNA extraction --- p.44 / Chapter 2.2.1 --- Modified cetyltriethylammonium bromide (CTAB) extraction --- p.44 / Chapter 2.2.2 --- Kit extraction --- p.45 / Chapter 2.2.2.1 --- DNeasy® Plant MiniKit of Qiagen --- p.45 / Chapter 2.2.2.2 --- GenElute´ёØ Plant Genomic DNA Miniprep Kit of Sigma® --- p.46 / Chapter 2.3 --- Polymerase chain reaction (PCR) reaction --- p.47 / Chapter 2.4 --- DNA gel electrophoresis --- p.49 / Chapter 2.5 --- PCR product purification --- p.49 / Chapter 2.5.1 --- Rapid Gel Extraction System of Marligen Biosciences INC --- p.50 / Chapter 2.5.2 --- Gel-M´ёØ Gel Extraction System --- p.50 / Chapter 2.6 --- Ligation and transformation --- p.51 / Chapter 2.6.1 --- Ligation and transformation --- p.51 / Chapter 2.6.2 --- Cell culture --- p.52 / Chapter 2.6.3 --- Plasmid extraction --- p.52 / Chapter 2.7 --- Determination of DNA concentration --- p.54 / Chapter 2.8 --- Cycle Sequencing --- p.54 / Chapter 2.9 --- Sequence Analysis --- p.55 / Chapter 2.10 --- Materials --- p.56 / Chapter CHAPTER THREE --- MOLECULAR AUTHENTICATION OF FRUCTUSEVODIAE --- p.60 / Chapter 3.1 --- Results and data analysis --- p.60 / Chapter 3.1.1 --- Authentication based on ITS-1 region --- p.60 / Chapter 3.1.1.1 --- Phylogram study --- p.60 / Chapter 3.1.1.2 --- Sequence alignment --- p.65 / Chapter 3.1.1.3 --- ITS-1 region nucleotide differences significant in authentication of Fructus Evodiae --- p.71 / Chapter 3.1.1.4 --- Comparison of sequences --- p.74 / Chapter 3.1.2 --- Authentication based on ITS-2 region --- p.78 / Chapter 3.1.2.1 --- Phylogram study --- p.78 / Chapter 3.1.2.2 --- Sequence alignment --- p.82 / Chapter 3.1.2.3 --- ITS-2 region nucleotide differences significant inauthentication of Fructus Evodiae --- p.86 / Chapter 3.1.2.4 --- Comparison of sequences --- p.89 / Chapter 3.2 --- Discussion --- p.93 / Chapter 3.2.1 --- Molecular markers --- p.93 / Chapter CHAPTER FOUR --- PHYLOGENETIC STUDIES ON RUTACEAE --- p.96 / Chapter 4.1 --- Results and data analysis --- p.96 / Chapter 4.1.1 --- Chloroplast trnL intron region --- p.96 / Chapter 4.1.1.1 --- Sequence alignment --- p.96 / Chapter 4.1.1.2 --- Phylogenetic analysis --- p.107 / Chapter 4.1.2 --- Chloroplast trnL-F intergenic spacer region --- p.116 / Chapter 4.1.2.1 --- Sequence alignment --- p.116 / Chapter 4.1.2.2 --- Phylogenetic analysis --- p.126 / Chapter 4.1.3 --- Nuclear ITS-1 region --- p.132 / Chapter 4.1.3.1 --- Sequence alignment --- p.132 / Chapter 4.1.3.2 --- Phylogenetic analysis --- p.143 / Chapter 4.2 --- Discussion --- p.152 / Chapter 4.2.1 --- "Euodia, Melicope and Tetradium" --- p.152 / Chapter 4.2.2 --- Tetradium --- p.153 / Chapter 4.2.3 --- Tetradium and Phellodendron --- p.155 / Chapter 4.2.4 --- Zanthoxylum and Toddalia --- p.156 / Chapter 4.2.5 --- Rutoideae and Toddalioideae --- p.156 / Chapter 4.2.6 --- Tree constructing methods --- p.158 / Chapter CHAPTER FIVE --- CONCLUSION --- p.161 / REFERENCES --- p.163