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Mechanisms of virulence associated with thermolabile hemolysin (TLH) from Vibrio alginolyticus on erythrocytes of silver sea bream, Sparus sarba.

Wong, Sze Ki. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 87-106). / Abstracts in English and Chinese. / Acknowledgements --- p.i / Abstract --- p.ii / Abstract in Chinese --- p.iv / Table of contents --- p.V / List of figures --- p.ix / List of abbreviations --- p.X / Chapter Chapter 1. --- General introduction --- p.1 / Chapter Chapter 2. --- Literature review --- p.6 / Chapter 2.1. --- Pathogenic mechanisms of Vibrio species in fish --- p.7 / Chapter 2.1.1. --- Introduction --- p.7 / Chapter 2.1.2. --- Adhesion --- p.7 / Chapter 2.1.3. --- Invasion --- p.8 / Chapter 2.1.4. --- Proliferation --- p.9 / Chapter 2.2. --- Vibrio virulence factors --- p.12 / Chapter 2.2.1. --- Introduction --- p.12 / Chapter 2.2.2. --- Hemolysin --- p.12 / Chapter 2.2.3. --- Protease --- p.14 / Chapter 2.2.4. --- Siderophore --- p.15 / Chapter 2.2.5. --- Lipopolysaccharide --- p.15 / Chapter 2.3. --- General apoptotic pathways --- p.17 / Chapter 2.3.1. --- Introduction --- p.17 / Chapter 2.3.2. --- Extrinsic apoptotic pathway --- p.17 / Chapter 2.3.2.1. --- Death receptor signaling apoptosis --- p.17 / Chapter 2.3.2.1.1. --- Fas signaling pathway --- p.18 / Chapter 2.3.2.1.2. --- TNF-R1 signaling pathway --- p.19 / Chapter 2.3.2.1.3. --- TRAIL receptors signaling pathway --- p.20 / Chapter 2.3.2.2. --- Growth factor receptor signaling apoptosis --- p.21 / Chapter 2.3.3. --- Intrinsic apoptotic pathway --- p.21 / Chapter 2.3.3.1. --- Mitochondrial apoptotic pathway --- p.21 / Chapter 2.3.3.1.1. --- Cyto c --- p.22 / Chapter 2.3.3.1.2. --- Smac/DIABLO --- p.22 / Chapter 2.3.3.1.3. --- Omi/HtrA2 --- p.22 / Chapter 2.3.3.1.4. --- AIF and endo G --- p.23 / Chapter 2.3.3.1.5. --- Bcl-2 family --- p.23 / Chapter 2.3.3.1.6. --- Mitochondrial membrane permeabilization (MMP) --- p.23 / Chapter 2.3.3.2. --- p53-regulated apoptotic pathway --- p.24 / Chapter 2.3.3.3. --- Endoplasmic reticulum (ER) stress-induced apoptotic pathway --- p.25 / Chapter 2.4. --- Membrane vesiculation in erythrocytes --- p.26 / Chapter 2.4.1. --- Introduction --- p.26 / Chapter 2.4.2. --- Induction of vesiculation --- p.26 / Chapter 2.4.3. --- Contents of vesicles --- p.28 / Chapter 2.4.4. --- Mechanisms involved during vesiculation --- p.29 / Chapter 2.4.5. --- Correlation between apoptosis and membrane vesiculation in erythrocytes --- p.31 / Chapter 2.4.6. --- Reasons for vesiculation --- p.31 / Chapter Chapter 3. --- "Induction of apoptosis by Vibrio alginolyticus thermolabile hemolysin (TLH) in blood cells of silver sea bream, Sparus sarba" --- p.33 / Chapter 3.1. --- Abstract --- p.34 / Chapter 3.2. --- Introduction --- p.34 / Chapter 3.3. --- Materials and methods --- p.36 / Chapter 3.3.1. --- Experimental fish --- p.36 / Chapter 3.3.2. --- Whole blood preparation --- p.37 / Chapter 3.3.3. --- Preparation of V. alginolyticus TLH --- p.37 / Chapter 3.3.4. --- "Caspase-3, -8, -9/6 fluorescent assay" --- p.38 / Chapter 3.3.5. --- TUNEL assay --- p.39 / Chapter 3.3.6. --- Apoptotic DNA ladder assay --- p.40 / Chapter 3.3.7. --- Statistical analysis --- p.41 / Chapter 3.4. --- Results --- p.42 / Chapter 3.4.1. --- "Increase of caspase-3, -8, -9/6 activities" --- p.42 / Chapter 3.4.2. --- Detection of DNA fragmentation by TUNEL assay --- p.44 / Chapter 3.4.3. --- Detection of DNA fragmentation by apoptotic DNA ladder assay --- p.44 / Chapter 3.5. --- Discussion --- p.46 / Chapter Chapter 4. --- "Occurrence of membrane vesiculation, apoptosis and post-apoptotic necrosis after exposure to Vibrio alginolyticus thermolabile hemolysin (TLH) in erythrocytes of silver sea bream, Sparus sarba" --- p.51 / Chapter 4.1. --- Abstract --- p.52 / Chapter 4.2. --- Introduction --- p.52 / Chapter 4.3. --- Materials and methods --- p.54 / Chapter 4.3.1. --- Experimental fish --- p.54 / Chapter 4.3.2. --- Whole blood preparation --- p.54 / Chapter 4.3.3. --- Preparation of V. alginolyticus TLH --- p.55 / Chapter 4.3.4. --- Light microscopy --- p.55 / Chapter 4.3.5. --- Transmission electron microscopy (TEM) --- p.56 / Chapter 4.3.6. --- Measurement of membrane vesiculation - acetylcholinesterase (AChE) assay --- p.56 / Chapter 4.3.7. --- Measurement of necrosis - hemoglobin colorimetric assay --- p.57 / Chapter 4.3.8. --- Apoptotic DNA ladder assay --- p.58 / Chapter 4.3.9. --- Flow cytometry --- p.59 / Chapter 4.3.10. --- Statistical analysis --- p.59 / Chapter 4.4. --- Results --- p.60 / Chapter 4.4.1. --- Ultrastructural changes in red blood cells after exposure to TLH --- p.60 / Chapter 4.4.2. --- Changes of cell population in size and granularity after exposure of TLH --- p.67 / Chapter 4.4.3. --- Effect of TLH dosage on necrosis and DNA fragmentation --- p.72 / Chapter 4.4.4. --- "Occurrence of membrane vesiculation, necrosis and DNA fragmentation in cells exposed to TLH" --- p.72 / Chapter 4.5. --- Discussion --- p.76 / Chapter Chapter 5. --- General conclusions --- p.82 / References --- p.87

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327356
Date January 2011
ContributorsWong, Sze Ki., 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, xiv, 106 leaves : ill. (some col.) ; 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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