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The study of oligomerization and nuclear import of influenza virus nucleoprotein.

Chan, Wai Hon. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 134-141). / Abstracts in English and Chinese. / Acknowledgements --- p.2 / Abstract --- p.3 / 摘要 --- p.5 / Content --- p.6 / List of Abbreviations and symbols --- p.10 / Chapter Chapter 1 --- Introduction --- p.13 / Chapter 1.1 --- The Severity of Influenza A Virus --- p.14 / Chapter 1.2 --- Introduction to Influenza A Virus --- p.15 / Chapter 1.3 --- What is Nucleoprotein? --- p.17 / Chapter 1.4 --- Multifunctional role of Nucleoprotein --- p.19 / Chapter 1.4.1 --- Interaction of Nucleoprotein with Other Viral Components --- p.19 / Chapter 1.4.1 --- Interaction of Nucleoprotein with Cellular Components --- p.22 / Chapter 1.5 --- Aims of study --- p.23 / Chapter Chapter 2 --- Materials and Methods / Chapter 2.1 --- Materials --- p.25 / Chapter 2.1.1 --- Chemical reagents --- p.25 / Chapter 2.1.2 --- Buffers --- p.28 / Chapter 2.1.2.1 --- Preparation of Buffers --- p.28 / Chapter 2.1.2.2 --- Buffer for Common Use --- p.28 / Chapter 2.1.3 --- Plasmids and Strains --- p.31 / Chapter 2.2 --- Methods --- p.32 / Chapter 2.2.1 --- Molecular Cloning --- p.32 / Chapter 2.2.2 --- "Expression of the Recombinant NP-WT/ mutants and importin α1, 3and 5 in E.coli" --- p.46 / Chapter 2.2.3 --- Purification of the NP WT/ variants --- p.50 / Chapter 2.2.4 --- "Purification of importin αl, 3 and 5" --- p.53 / Chapter 2.2.5 --- In vitro interaction study between NP and importin α --- p.56 / Chapter 2.2.6 --- In vivo interaction study between NP and importin α --- p.59 / Chapter 2.2.7 --- In vivo analysis to study NP-NP homo-oligomerization --- p.64 / Chapter 2.2.8 --- In vitro static light scattering analysis to determine NP oligomeric state --- p.68 / Chapter 2.2.9 --- Control experiments to verify NP-polymerases and NP-RNA interaction --- p.69 / Chapter Chapter 3 --- Functional analysis of influenza H5N1 nucleoprotein tail loop for oligomerization and ribonucleoprotein activities / Chapter 3.1 --- Introduction --- p.72 / Chapter 3.2 --- Results --- p.75 / Chapter 3.2.1 --- Tail loop insertion is maintained by intra- and inter-molecular interactions --- p.75 / Chapter 3.2.2 --- NP mutants display defective transcription-replication activity --- p.77 / Chapter 3.2.3 --- Expression and purification of defective NP variants --- p.80 / Chapter 3.2.4 --- Defective NP variants interact with RNA and the polymerase complex --- p.85 / Chapter 3.2.5 --- Defective NP variants possess abnormal oligomeric states in vitro --- p.91 / Chapter 3.2.6 --- NP variants with impaired RNP activity cannot form homo-oligomers in vivo --- p.95 / Chapter 3.3 --- Discussion --- p.98 / Chapter Chapter 4 --- Biophysical characterization of the interaction between influenza nucleoprotein and importin α / Chapter 4.1 --- Introduction --- p.105 / Chapter 4.2 --- Results --- p.108 / Chapter 4.2.1 --- Expression and Purification of NP-WT/ NLS variants and Importin a --- p.108 / Chapter 4.2.2 --- Pull down Assay --- p.113 / Chapter 4.2.3 --- Light scattering analysis (NP-lmportin α5) --- p.114 / Chapter 4.2.4 --- Binding assay of NP NLS variants with importin α5 --- p.115 / Chapter 4.2.5 --- BIAcore 3000 Surface Plasmon Resonance (NP-lmportin α5) --- p.118 / Chapter 4.2.6 --- QRT-PCR (NP-lmportin a5) --- p.123 / Chapter 4.3 --- Discussion --- p.125 / References --- p.134

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327131
Date January 2010
ContributorsChan, Wai Hon., Chinese University of Hong Kong Graduate School. Division of Life Sciences.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, 141, [1] leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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