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Genetical and cytological studies on variations of volvariella volvacea.

by Li Shuxian. / Thesis (Ph.D.)--Chinese University of Hong Kong, 1991. / Bibliography: leaves 169-192. / ACKNOWLEDGEMENTS --- p.ii / ABSTRACT --- p.iii / LIST OF TABLES --- p.viii / LIST OF FIGURES --- p.x / ABBREVIATIONS --- p.xiv / Chapter CHAPTER ONE: --- GENERAL INTRODUCTION --- p.1 / Chapter CHAPTER TWO: --- LITERATURE REVIEW / Chapter 2.1. --- Introduction --- p.6 / Chapter 2.2. --- Sexuality --- p.6 / Chapter 2.2.1. --- Heterothallism --- p.9 / Chapter 2.2.2. --- Homothallism --- p.11 / Chapter 2.2.3. --- Sexuality of Volvariella volvacea --- p.14 / Chapter 2.3. --- "Induction and selection of genetic ., markers in higher fungi" --- p.18 / Chapter 2.3.1. --- Physical mutagenesis --- p.19 / Chapter 2.3.2. --- Chemical mutagenesis --- p.22 / Chapter 2.3.3. --- Biological mutagenesis --- p.24 / Chapter 2.4. --- Nuclear behaviour in edible fungi --- p.27 / Chapter 2.4.1. --- Somatic division --- p.27 / Chapter 2.4.2. --- Meiotic events --- p.28 / Chapter 2.4.3. --- Electrophoretic karyotype --- p.31 / Chapter CHAPTER THREE : --- VARIATIONS IN MONOSPOROUS ISOLATES OF VOLVARIELLA VOLVACEA / Chapter 3.1. --- Introduction --- p.32 / Chapter 3.2. --- Materials and methods --- p.33 / Chapter 3.2.1. --- Strains and culture media --- p.33 / Chapter 3.2.2. --- Monosporous isolation --- p.34 / Chapter 3.2.3. --- Linear and radial growth --- p.34 / Chapter 3.2.4. --- Fertility test --- p.35 / Chapter 3.2.5. --- Determination of extracellular cellulase activity --- p.33 / Chapter 3.3. --- Results --- p.41 / Chapter 3.3.1. --- Variations in colonial morphology --- p.41 / Chapter 3.3.2. --- Variations in linear growth rate --- p.44 / Chapter 3.3.3. --- Variations in fertility --- p.46 / Chapter 3.3.4. --- A comparison of extracellular cellulase activity between fertile and sterile monosporous isolates --- p.52 / Chapter 3.4. --- Discussion --- p.61 / Chapter 3.4.1. --- Study on the colonial morphology of monosporous isolates --- p.61 / Chapter 3.4.2. --- Study on the growth rate of monosporous isolates --- p.62 / Chapter 3.4.3. --- Study on the extracellular cellulase activity --- p.63 / Chapter 3.4.4. --- Study on the fertility of monosporous isolates --- p.64 / Chapter 3.5. --- Summary --- p.66 / Chapter CHAPTER FOUR: --- GENETICAL STUDIES ON VARIATIONS OF V. VOLVACEA / Chapter 4.1. --- Introduction --- p.67 / Chapter 4.2. --- Materials and methods --- p.68 / Chapter 4.2.1. --- Strains and cultural condition --- p.68 / Chapter 4.2.2. --- Chemical compounds --- p.70 / Chapter 4.2.3. --- Determination of sensitivities to growth inhibitor and chemical --- p.72 / Chapter 4.2.4. --- UV mutagenesis --- p.72 / Chapter 4.2.5. --- Chemical mutagenesis --- p.73 / Chapter 4.2.6. --- Enrichment methods for auxotrophs --- p.74 / Chapter 4.2.7. --- Isolation and establishment of resistance markers --- p.74 / Chapter 4.2.8. --- Isolation and characterization of auxotrophic mutants --- p.75 / Chapter 4.2.9. --- Fruiting and marker segregation test --- p.75 / Chapter 4.3. --- Results --- p.75 / Chapter 4.3.1. --- Effects of UV irradiation on mycelium and spore germination rate --- p.76 / Chapter 4.3.2. --- Median lethal concentrations (LC50) of chemical mutagens --- p.79 / Chapter 4.3.3. --- Sensitivity of various strains to growth inhibitors and tested compounds --- p.82 / Chapter 4.3.4. --- Identification and characterization of resistant mutants --- p.94 / Chapter 4.3.5. --- Identification and characterization of auxotrophic mutants --- p.115 / Chapter 4.3.6. --- Analysis of genetic markers in progenies of mutants --- p.116 / Chapter 4.4. --- Discussion --- p.118 / Chapter 4.4.1. --- Significance of mutant induction in V. volvacea --- p.119 / Chapter 4.4.2. --- Methods for mutant induction --- p.120 / Chapter 4.4.3. --- Resistant mutants of V. volvacea --- p.121 / Chapter 4.4.4. --- Auxotrophic mutants of V. volvacea --- p.124 / Chapter 4.4.5. --- Study on the sexuality pattern of V.volvacea by analyzing mutant progeny --- p.125 / Chapter 4.5. --- Summary --- p.128 / Chapter CHAPTER FIVE: --- CYTOLOGICAL STUDIES ON VARIATIONS OF V. VOLVACEA / Chapter 5.1. --- Introduction --- p.129 / Chapter 5.2. --- Materials and methods --- p.130 / Chapter 5.2.1. --- Strains --- p.130 / Chapter 5.2.2. --- Feulgen staining method --- p.130 / Chapter 5.2.3. --- Fluorescent staining of nuclei with DAPI --- p.131 / Chapter 5.2.4. --- Microscopic autoradiography --- p.131 / Chapter 5.2.5. --- Scanning electron microscopic examination --- p.132 / Chapter 5.2.6. --- DNA measurement --- p.132 / Chapter 5.3. --- Results --- p.133 / Chapter 5.3.1. --- Number of nuclei in V. volvacea --- p.133 / Chapter 5.3.2. --- Comparison of cytological differences between self-fertile and self-sterile monosporous isolates --- p.143 / Chapter 5.3.3. --- Spore patterns on basidia --- p.145 / Chapter 5.3.4. --- Nuclear DNA content of V.volvacea --- p.148 / Chapter 5.4. --- Discussion --- p.154 / Chapter 5.4.1. --- Staining method --- p.154 / Chapter 5.4.2. --- Analysis of the possible sources of variation in V. volvacea --- p.155 / Chapter 5.5. --- Summary --- p.162 / Chapter CHAPTER SIX: --- GENERAL SUMMARY AND CONCLUSION --- p.164 / REFERENCES: --- p.169

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_318766
Date January 1991
ContributorsLi, Shuxian, Chinese University of Hong Kong Graduate School. Division of Biology.
PublisherChinese University of Hong Kong
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xiv, 192 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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