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Mutation induction characteristics and parameters of antibiotic stress.

Wong, Ah Ting. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (p. 125-130). / Abstracts in English and Chinese. / ABSTRACT --- p.V / 摘要 --- p.VIII / TABLE OF CONTENTS --- p.X / ACKNOWLEDGEMENTS --- p.XII / INTRODUCTION --- p.13 / Adaptive Mutation versus Spontaneous Mutation --- p.13 / Fluctuation Test --- p.13 / Adaptive Reversion of lacI - lacZ Fusion Mutant --- p.17 / Putative Models of Adaptive Mutation Mechanisms --- p.18 / Point Mutagenesis --- p.18 / Hypermutation --- p.19 / Gene Amplification --- p.21 / Controversy over the Mechanism of Adaptive Mutation --- p.21 / Induced Mutagenesis under Other Stresses --- p.23 / The General Stress Response --- p.23 / The SOS Response --- p.24 / Reduced Mismatch Repair --- p.24 / Adaptive Mutation in Other Micro-organisms --- p.25 / Mutation Generation under Antibiotic Stress --- p.26 / Fluoroquinolones --- p.26 / Beta-Lactams --- p.27 / Aminoglycosides --- p.27 / Justification and Objectives of this Study --- p.28 / MATERIAL AND METHODS --- p.30 / Bacterial Strains --- p.30 / Culture Media --- p.30 / Antibiotics --- p.30 / Resistance Induction Assay --- p.31 / Rationale of Experimental Design --- p.31 / Agar Selection Method --- p.32 / Broth Selection Method --- p.34 / Isolation of Organisms which Exhibited Reduced Drug Susceptibility and Determination the Minimal Inhibitory Concentration (MIC) --- p.36 / Indole Test --- p.37 / DNA Extraction --- p.37 / Polymerase Chain Reaction (PCR) on the gyrA and rpoB Genes --- p.37 / PCR Product Purification and Nucleotide Sequencing --- p.39 / RESULTS --- p.40 / Solid Agar Selection Approach --- p.41 / Broth Selection Approach --- p.48 / Strain MG1655 --- p.49 / Strain BW25113 --- p.53 / recA Deletion Mutant --- p.54 / mutS Deletion Mutant --- p.56 / DISCUSSION --- p.59 / Development of Resistance Induction Assay --- p.59 / Background Resistance to Gentamicin and Rifampicin --- p.62 / Resistance Induction Effect of Ciprofloxacin --- p.64 / Relative Effects of recA and mutS Deletion --- p.66 / Putative Origins of Antibiotic Resistance Gene Mutations --- p.69 / TABLES AND FIGURES --- p.71 / REFERENCES --- p.125

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326992
Date January 2010
ContributorsWong, Ah Ting., Chinese University of Hong Kong Graduate School. Division of Microbiology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xii, 130 p. : 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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