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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Sequence-specific local structural variations in solution structures of d(CGXX'CG)2 and d(CAXX'TG)2 self-complementary deoxyribonucleic acids.

January 1996 (has links)
by Sik Lok Lam. / The "2" in the title is subscript. / Thesis (Ph.D.)--Chinese University of Hong Kong, 1996. / Includes bibliographical references (leaves 184-197). / ABSTRACT --- p.iii / ACKNOWLEDGEMENTS --- p.v / Chapter CHAPTER ONE: --- LITERATURE SURVEY OF SEQUENCE-SPECIFIC LOCAL STRUCTURAL VARIATIONS IN DEOXYRIBONUCLEIC ACID MOLECULES --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- General Review of DNA --- p.1 / Chapter 1.2.1 --- "Nomenclature, Symbols and Atomic Numbering Scheme of DNA" --- p.2 / Chapter 1.2.2 --- Conformations of DNAs --- p.6 / Chapter 1.2.3 --- Helix-to-Random-Coil Transition --- p.9 / Chapter 1.3 --- Sequence-Specific Local Structural Studies --- p.11 / Chapter 1.4 --- Purpose of This Work --- p.14 / Chapter CHAPTER TWO: --- DETERMINATION OF STRUCTURES OF SOLUTION DNA MOLECULES --- p.17 / Chapter 2.1 --- Introduction --- p.17 / Chapter 2.2 --- Optimization of Conditions --- p.17 / Chapter 2.3 --- Resonance Assignments --- p.19 / Chapter 2.4 --- Extraction of Structural Constraints --- p.22 / Chapter 2.4.1 --- Interproton Distances --- p.23 / Chapter 2.4.2 --- Endocyclic Sugar Torsion Angles --- p.25 / Chapter 2.4.3 --- Phosphate Backbone Torsion Angles --- p.29 / Chapter 2.4.4 --- Hydrogen Bonds --- p.31 / Chapter 2.5 --- Structural Refinement --- p.31 / Chapter CHAPTER THREE: --- SIGNIFICANCE OF DIFFERENT TYPES OF STRUCTURAL CONSTRAINTS IN STRUCTURAL REFINEMENT PROCESS --- p.35 / Chapter 3.1 --- Introduction --- p.35 / Chapter 3.2 --- Experimental --- p.36 / Chapter 3.2.1 --- DNA Model Building --- p.36 / Chapter 3.2.2 --- Generation of Structural Constraints --- p.37 / Chapter 3.2.3 --- Structural Refinement --- p.40 / Chapter 3.3 --- Results and Discussion --- p.41 / Chapter 3.3.1 --- Endocyclic Sugar Torsion Angle Constraints --- p.45 / Chapter 3.3.2 --- Phosphate Backbone Torsion Angle Constraints --- p.49 / Chapter 3.3.3 --- Hydrogen Bond Constraints --- p.50 / Chapter 3.4 --- Summary --- p.50 / Chapter CHAPTER FOUR: --- EFFECTS OF DIFFERENT VARIABLES IN THE RESTRAINED MOLECULAR DYNAMICS PROCESS --- p.52 / Chapter 4.1 --- Introduction --- p.52 / Chapter 4.2 --- Experimental --- p.53 / Chapter 4.3 --- Results and Discussion --- p.55 / Chapter 4.3.1 --- Variables in the Temperature Profile --- p.58 / Chapter 4.3.2 --- Variables in the Force Constant Profile --- p.62 / Chapter 4.4 --- Summary --- p.65 / Chapter CHAPTER FIVE: --- THE J-COUPLING RESTRAINED MOLECULAR MECHANICS PROTOCOL - AN EFFICIENT AND RELIABLE ALTERNATIVE IN DERIVING ENDOCYCLIC SUGAR TORSION ANGLE CONSTRAINTS --- p.66 / Chapter 5.1 --- Introduction --- p.66 / Chapter 5.2 --- Methodology --- p.71 / Chapter 5.2.1 --- "Establishment of the Correlation of 3J1'2, withvi" --- p.71 / Chapter 5.2.2 --- Sample Preparation --- p.73 / Chapter 5.2.3 --- NMR Analysis --- p.73 / Chapter 5.2.4 --- Theoretical Testing of the Protocol --- p.74 / Chapter 5.2.5 --- Experimental Testing of the Protocol --- p.75 / Chapter 5.3 --- Results and Discussion --- p.76 / Chapter 5.3.1 --- Selection of the Appropriate JrMM-derived Torsion Angles --- p.85 / Chapter 5.3.2 --- Theoretical Testing of the Protocol --- p.88 / Chapter 5.3.3 --- Experimental Testing of the Protocol --- p.93 / Chapter 5.4 --- Summary --- p.98 / Chapter CHAPTER SIX: --- HETERONUCLEAR SINGLE QUANTUM COHERENCE DERIVED BACKBONE TORSION ANGLE CONSTRAINTS --- p.99 / Chapter 6.1 --- Introduction --- p.99 / Chapter 6.2 --- Experimental --- p.102 / Chapter 6.3 --- Results and Discussion --- p.103 / Chapter 6.3.1 --- Determination of the Backbone Torsion Angles β and E --- p.103 / Chapter 6.3.2 --- Error Estimation on 3JC4'p- and 3JH3'p-derived E --- p.109 / Chapter 6.4 --- Summary --- p.110 / Chapter CHAPTER SEVEN: --- SOLUTION STRUCTURES OF d(CGXX,CG)2 AND d(CAXX´ةTG)2 --- p.111 / Chapter 7.1 --- Introduction --- p.111 / Chapter 7.2 --- Experimental --- p.111 / Chapter 7.2.1 --- Sample Preparation --- p.112 / Chapter 7.2.2 --- Resonance Assignment --- p.112 / Chapter 7.2.3 --- Melting Profile Study --- p.112 / Chapter 7.2.4 --- Extraction of Structural Constraints --- p.113 / Chapter 7.2.5 --- Structural Refinement --- p.115 / Chapter 7.2.6 --- Structural Parameter Analysis --- p.116 / Chapter 7.3 --- Results and Discussion --- p.116 / Chapter 7.3.1 --- Melting Profile Study --- p.117 / Chapter 7.3.2 --- Structural Constraints --- p.120 / Chapter 7.3.3 --- Structural Refinement --- p.129 / Chapter 7.3.4 --- Structural Features --- p.135 / Chapter CHAPTER EIGHT: --- SEQUENCE-SPECIFIC LOCAL STRUCTURAL STUDY --- p.156 / Chapter 8.1 --- Introduction --- p.156 / Chapter 8.2 --- Predictions from the Calladine's Rules --- p.156 / Chapter 8.3 --- Predictions from Olson's Base-Pair Morphology Dependent Clash Function --- p.160 / Chapter 8.4 --- Re-formulation of Calladine's Idea and its Relationship to Sequence-Specific Local Structural Function ΣLS --- p.163 / Chapter 8.4.1 --- Sequence-Specific Base-Pair Geometry Analysis --- p.164 / Chapter 8.4.2 --- Sequence-Specific Base-Pair Step Geometry Analysis --- p.166 / Chapter 8.4.3 --- Sequence-Specific Local Structural Function ΣLS --- p.167 / Chapter 8.5 --- Summary --- p.173 / Chapter CHAPTER NINE: --- CONCLUSIONS AND FURTHER WORK --- p.174 / APPENDIX I The Base Proton Regions of the lH NMR Spectra of the Hexamers --- p.177 / APPENDIX II 2D NOESY Spectra (Tm = 200 ms) of the Hexamers --- p.178 / "APPENDIX III The H1'-H27H2"" Regions of the DQF-COSY Spectra of the Hexamers" --- p.180 / APPENDIX IV The C4'-H4' Regions of the HSQC Spectra of the Hexamers --- p.182 / REFERENCES --- p.184
2

The isolation and characterization of geranyl diphosphate synthase from the pine engraver, Ips pini (Coleoptera: Scolytidae) /

Young, Anna Gilg January 2004 (has links)
Thesis (Ph.D.)--University of Nevada, Reno, 2004. / Includes bibliographical references. Online version available on the World Wide Web.
3

Molecular cloning of vertebrate growth hormone receptor complementary DNAs.

January 1996 (has links)
by Yam Kwok Fai. / Year shown on spine: 1997. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1996. / Includes bibliographical references (leaves 141-149). / Acknowledgments --- p.i / List of Contents --- p.ii / List of Figures --- p.viii / List of Tables --- p.xii / List of Primers --- p.xiii / Abbreviations --- p.xiv / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Growth Hormone (GH) --- p.1 / Chapter 1.2 --- Growth Hormone Receptor (GHR) --- p.3 / Chapter 1.2.1 --- Tissue Distribution of GHR --- p.4 / Chapter 1.2.2 --- Biosynthesis and Degradation of GHR --- p.6 / Chapter 1.2.3 --- Regulation of GHR Level --- p.7 / Chapter 1.2.4 --- The Structure of GHR --- p.9 / Chapter 1.2.5 --- The Structure of GHR Gene --- p.13 / Chapter 1.2.6 --- Growth Hormone Binding Protein (GHBP) --- p.14 / Chapter 1.2.7 --- The GH/Prolactin/Cytokine/Erythropoietin Receptor Superfamily --- p.15 / Chapter 1.2.8 --- Proposed Signal Transduction Pathway --- p.17 / Chapter 1.2.9 --- GHR Related Dwarfism --- p.22 / Chapter i). --- Substitution of certain amino acid residues in the extracellular domain --- p.22 / Chapter ii). --- Deletion of the extracellular domain --- p.23 / Chapter a). --- deletion of a small portion of the binding protein / Chapter b). --- deletion of a large portion of the binding protein / Chapter c). --- deletion of a large portion of the binding domain and the whole transmembrane domain / Chapter iii). --- Associated with normal GHBP --- p.24 / Chapter 1.3 --- Objectives of Cloning Vertebrate GHR cDNAs --- p.24 / Chapter Chapter 2 --- General Experimental Methods / Chapter 2.1 --- Preparation of Ribonuclease Free Reagents and Apparatus --- p.26 / Chapter 2.2 --- Isolation of Total RNA --- p.26 / Chapter 2.3 --- Isolation of mRNA --- p.26 / Chapter a). --- directly from tissue / Chapter b). --- from isolated total RNA / Chapter 2.4 --- Spectrophotometric Quantification and Qualification of DNA and RNA --- p.29 / Chapter 2.5 --- First Strand cDNA Synthesis --- p.29 / Chapter 2.6 --- Polymerase Chain Reaction (PCR) --- p.30 / Chapter 2.7 --- Agarose Gel Electrophoresis --- p.31 / Chapter 2.8 --- Formaldehyde Agarose Gel Electrophoresis of RNA --- p.31 / Chapter 2.9 --- Capillary Transfer of DNA/RNA to a Nylon Membrane (Southern/Northern Blotting) --- p.32 / Chapter a). --- DNA denaturing / Chapter b). --- Capillary transfer / Chapter 2.10 --- DNA Radiolabelling --- p.33 / Chapter a). --- By random primer translation / Chapter b). --- By nick translation / Chapter 2.11 --- Spuncolumn Chromatography --- p.34 / Chapter 2.12 --- Hybridization of Southern/Northern Blot --- p.35 / Chapter 2.13 --- Autoradiography --- p.35 / Chapter 2.14 --- Linearization and Dephosphorylation of Plasmid DNA --- p.36 / Chapter 2.15 --- Restriction Digestion of DNA --- p.36 / Chapter 2.16 --- Purification of DNA from Agarose Gel using GENECLEAN® Kit --- p.36 / Chapter 2.17 --- 3' End Modification of PCR Amplified DNA --- p.37 / Chapter 2.18 --- Ligation of DNA Fragments to Linearized Vector --- p.37 / Chapter 2.19 --- Preparation of Escherichia coli Competent Cells --- p.38 / Chapter 2.20 --- Transformation of the Escherichia coli Strain DH5a --- p.38 / Chapter 2.21 --- Minipreparation of Plasmid DNA --- p.39 / Chapter 2.22 --- DNA Purification by Phenol/Chloroform Extraction --- p.39 / Chapter 2.23 --- Ethanol Precipitation of DNA and RNA --- p.40 / Chapter 2.24 --- Preparation of Plasmid DNA using Wizard´ёØ Minipreps DNA Purification Kit from Promega --- p.40 / Chapter 2.25 --- Preparation of Plasmid DNA using QIAGEN-tip100 --- p.41 / Chapter 2.26 --- DNA Sequencing --- p.42 / Chapter 2.26.1 --- DNA Sequencing Reaction / Chapter a). --- T7 sequencing / Chapter b). --- PCR sequencing / Chapter 2.26.2 --- DNA Sequencing Electrophoresis --- p.44 / Chapter i). --- Preparation of 8% polyacrylamide gel solution / Chapter ii). --- Casting the gel / Chapter iii). --- Electrophoresis / Chapter Chapter 3 --- Molecular Cloning of Golden Hamster (Mesocricetus auratus) GHR cDNA / Chapter 3.1 --- Introduction --- p.46 / Chapter 3.2 --- Experimental Methods / Chapter 3.2.1 --- Animals and Tissues --- p.47 / Chapter 3.2.2 --- PCR Cloning of GHR cDNA Fragments in the Cytoplasmic Domain --- p.47 / Chapter 3.2.2.1 --- Primer design and PCR strategy --- p.47 / Chapter 3.2.2.2 --- PCR studies on the hamster liver and kidney first strand cDNA --- p.49 / Chapter 3.2.2.3 --- Southern analysis of the PCR products --- p.50 / Chapter 3.2.2.4 --- Subcloning and sequencing of PCR amplified cDNA fragments --- p.50 / Chapter 3.2.3 --- Screening of a Hamster Liver cDNA Library --- p.51 / Chapter 3.2.3.1 --- Preparation of the plating bacteria --- p.51 / Chapter 3.2.3.2 --- Phage titering of the λ ZAP library --- p.51 / Chapter 3.2.3.3 --- Primary screening of the amplified hamster liver cDNA library --- p.52 / Chapter 3.2.3.4 --- Plaque uplifting and hybridization with hamster GHR cDNA fragment --- p.52 / Chapter 3.2.3.5 --- Purification of putative clones from primary screening --- p.53 / Chapter 3.2.3.6 --- Checking the size of the DNA insert --- p.53 / Chapter 3.2.3.7 --- In vitro excision to release phagemid from the phage vector --- p.54 / Chapter 3.2.3.8 --- Plasmid minipreparation of the putative clones --- p.56 / Chapter 3.2.3.9 --- Nucleotide sequencing of the DNA inserts of different clones --- p.56 / Chapter 3.2.4 --- Tissue Distribution of GHR in Hamster Tissues and the Relative Expression Level of GHR mRNAin these tissues --- p.58 / Chapter 3.2.5 --- Cloning of the Full-length GHR cDNA into a Mammalian Vector --- p.59 / Chapter 3.2.5.1 --- PCR amplification of the full-length hamster GHR cDNA --- p.59 / Chapter 3.2.5.2 --- Preparation of the hamster GHR cDNA insert for ligation --- p.60 / Chapter 3.2.5.3 --- Linearization of pRc/CMV expression vector --- p.60 / Chapter 3.2.5.4 --- Ligation of the linearized expression vector with the full-length hamster GHR cDNA --- p.61 / Chapter 3.3 --- Results / Chapter 3.3.1 --- PCR Amplification of Hamster GHR cDNA Fragments --- p.61 / Chapter 3.3.1.1 --- RT-PCR --- p.61 / Chapter 3.3.1.2 --- Southern blot analysis --- p.62 / Chapter 3.3.1.3 --- Subcloning and nucleotide sequencing of PCR amplified hamster GHR cDNA fragments --- p.64 / Chapter 3.3.2 --- Screening of an Amplified λZAP Hamster Liver cDNA Library --- p.70 / Chapter 3.3.2.1 --- Preparation of the cDNA probe and phage titering --- p.70 / Chapter 3.3.2.2 --- Screening of the cDNA library --- p.70 / Chapter 3.3.2.3 --- PCR study of the 5' and 3' regions of the DNA insert of the clones selected for secondary screening --- p.72 / Chapter 3.2.3.4 --- Nucleotide sequencing of the full-length hamster GHR cDNA --- p.73 / Chapter 3.2.3.5 --- Tissue distribution of GHR in hamster and the relative expression level of the GHR mRNA in these tissues --- p.73 / Chapter 3.2.3.6 --- Cloning of the full-length hamster GHR cDNA into a mammalian expression vector --- p.79 / Chapter 3.4 --- Discussion / Chapter 3.4.1 --- Cloning of the Full-length hamster GHR cDNA --- p.81 / Chapter 3.4.2 --- Comparison of the Nucleotide and the Predicted Amino Acid Sequences of the Hamster GHR with other Cloned GHRs --- p.82 / Chapter 3.4.3 --- Tissue Distribution of GHR in Hamster and the Relative Expression Level of the GHR mRNA in these Tissues --- p.89 / Chapter 3.4.4 --- Further Studies on Hamster GHR --- p.90 / Chapter Chapter 4 --- Molecular Cloning of Chinese Bullfrog (Rana tigria rigulosa) GHR cDNA from Adult Frog Liver / Chapter 4.1 --- Introduction --- p.92 / Chapter 4.2 --- Experimental Methods / Chapter 4.2.1 --- Animal and Tissues --- p.93 / Chapter 4.2.2 --- Cloning of the Cytoplasmic Domain of Frog GHR cDNA by PCR --- p.93 / Chapter 4.2.2.1 --- RT-PCR --- p.93 / Chapter 4.2.2.2 --- Southern blot analysis of PCR amplified products --- p.95 / Chapter 4.2.2.3 --- Subcloning and sequencing of PCR amplified DNA fragments --- p.95 / Chapter 4.2.2.4 --- Restriction analysis of GHR cDNA fragment between GHR p1 and GHR p2 --- p.95 / Chapter 4.2.2.5 --- PCR cloning of other portions of frog GHR cDNA --- p.96 / Chapter 4.2.2.6 --- Subcloning and sequencing of PCR amplified GHR cDNA fragment using primers other than GHR p1 and GHR p2 --- p.97 / Chapter 4.3 --- Results / Chapter 4.3.1 --- Cloning of the Intracellular Domain of Frog GHR cDNA by RT-PCR --- p.97 / Chapter 4.3.1.1 --- RT-PCR --- p.97 / Chapter 4.3.1.2 --- Southern blot analysis --- p.98 / Chapter 4.3.1.3 --- Subcloning and sequencing of PCR amplified DNA fragments --- p.98 / Chapter 4.3.1.4 --- Restriction enzyme analysis of GHR cDNA fragments --- p.102 / Chapter 4.3.1.5 --- PCR cloning of other portions of frog GHR cDNA --- p.103 / Chapter 4.3.1.6 --- Subcloning and sequencing of PCR products from other portions of frog GHR cDNA --- p.103 / Chapter 4.4 --- Discussion / Chapter 4.4.1 --- Cloning of the Full-length frog GHR cDNA --- p.109 / Chapter 4.4.2 --- Further Studies on Frog GHR --- p.117 / Chapter Chapter 5 --- Attempts on the Molecular Cloning of Teleost GHR cDNA / Chapter 5.1 --- Introduction --- p.119 / Chapter 5.2 --- Experimental Methods / Chapter 5.2.1 --- Animals and Tissues --- p.120 / Chapter 5.2.2 --- PCR Cloning of Teleost GHR cDNA fragments --- p.120 / Chapter 5.2.2.1 --- Design of PCR primers --- p.120 / Chapter 5.2.2.2 --- Preparation of mRNA and synthesis of first strand cDNA --- p.122 / Chapter 5.2.2.3 --- PCR studies on dace and snakehead fish liver first strand cDNA --- p.122 / Chapter 5.2.2.3.1 --- PCR studies on dace liver first strand cDNA --- p.122 / Chapter 5.2.2.3.2 --- PCR studies on snakehead fish liver first strand cDNA --- p.122 / Chapter 5.2.3 --- "Northern Analysis on Dace, Snakehead fish and Eel mRNA" --- p.123 / Chapter 5.3 --- Results / Chapter 5.3.1 --- Molecular Studies on Dace GHR cDNA --- p.123 / Chapter 5.3.1.1 --- PCR studies on dace first strand cDNA --- p.123 / Chapter 5.3.2 --- PCR Studies on Teleost First Strand cDNA --- p.128 / Chapter 5.3.3 --- Northern Analysis on Teleost mRNA --- p.128 / Chapter 5.4 --- Discussion --- p.130 / Chapter 5.4.1 --- PCR Studies on Teleost GHR cDNA --- p.130 / Chapter 5.4.2 --- Northern Analysis on Teleost mRNA --- p.131 / Chapter Chapter 6 --- General Discussion / Chapter 6.1 --- Achievement of this Project --- p.134 / Chapter 6.1.1 --- Hamster GHR --- p.134 / Chapter 6.1.2 --- Frog GHR --- p.135 / Chapter 6.1.3 --- Teleost GHR --- p.136 / Chapter 6.2 --- Postulation on Cloned GHRs at the Molecular Level --- p.136 / Bibliography --- p.141 / Appendices --- p.150
4

High-resolution NMR investigation of building block unit of self-complementary DNA duplex: the tetramer model. / CUHK electronic theses & dissertations collection

January 2001 (has links)
Keung Yim Mei. / "October 2001." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (p. 187-195). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
5

The analysis of cDNA sequences: an algorithm for alignment.

January 1997 (has links)
by Lam Fung Ming. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 45-47). / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter CHAPTER 2 --- BACKGROUND --- p.4 / Section 2.1 DNA Cloning --- p.5 / Section 2.1.1 Principles of cell-based DNA cloning --- p.5 / Section 2.1.2. Polymerase Chain Reaction --- p.8 / Section 2.2 DNA Libraries --- p.10 / Section 2.3. Expressed Sequence Tags --- p.11 / "Section 2.4 dbEST - Database for ""Expressed Sequence Tag""" --- p.13 / Chapter CHAPTER 3 --- REDUCTION OF PARTIAL SEQUENCE REDUNDANCY AND CDNA ALIGNMENT --- p.15 / Section 3.1 Materials --- p.15 / Section 3.2 Our Algorithm --- p.16 / Section 3.3 Data Storage --- p.24 / Section 3.4 Criterion of Alignment --- p.27 / Section 3.5 Pairwise Alignment --- p.29 / Chapter CHAPTER 4 --- RESULTS AND DISCUSSION --- p.32 / Chapter CHAPTER 5 --- CONCLUSION AND FUTURE DEVELOPMENT --- p.42 / REFERENCES --- p.45 / APPENDIX --- p.i
6

Interference with HIV-1 primer selection by siRNA directed to the HIV-1 primer binding site

Han, Wenlong. January 2006 (has links) (PDF)
Thesis (Ph. D.)--University of Alabama at Birmingham, 2006. / Title from first page of PDF file (viewed Feb 15, 2008). Includes bibliographical references.
7

Studies of the novel PDGFs, focusing on PDGF-D /

Folestad, Erika Bergsten, January 2006 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2006. / Härtill 4 uppsatser.
8

Genome-wide comparison of evolutionarily conserved alternative and constitutive splice sites /

Garg, Kavita. January 2006 (has links)
Thesis (Ph. D.)--University of Washington, 2006. / Vita. Includes bibliographical references (leaves 106-119).

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