Chapter 1 Lignin-associated Genes Expression Pattern in Pear Fruit
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results
Ⅳ.Discussion
Chapter 2 The Expression Pattern of Seven PcEXPA Genes of ‘Chili'and ‘Whangkeumbae' Pear during Fruit Post-harvest Storage
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results
Ⅳ.Discussion
Chapter 3 Effects of Pre-harvest Calcium Treatment on the Storage Characters of Hard End Whangkeumbae Pear and the Expression Analysis of PpEXPA2
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results and Analysis
Ⅳ.Discussion
Chapter 4 Altering PpCAD2 and PpEXP2 Gene Expression Impacts Lignification in Transgenic Tobacco Plants
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results
Ⅳ.Discussion
Ⅴ.Conclusions
Chapter 5 The Heterologous Expression of PpCAD2 in Tomato ‘Micro-Tom' Verifed Its Function in Affecting Lignin Content
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results and Discussion
Ⅳ.Conclusions
Chapter 6 PpNAC187 Was Involved in the Lignin Synthesis in ‘Whangkeumbae' Pear (Pyrus pyrifolia) Fruit
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results
Ⅳ.Discussion
Chapter 7 Effect of Pre-harvest Bagging on Fruit Storage Characteristics of ‘Chili' Pear Fruit
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results and Discussion
Ⅳ.Conclusions
Chapter 8 The Gene Cloning and Analysis of Expression Pattern of Endo-β-1, 4-glucanase Gene during ‘Chili' Pear Fruit Development and Maturation
Ⅰ.Introduction
Ⅱ.Results and Analysis
Ⅲ.Discussion
Ⅳ.Conclusions
Chapter 9 Expression of Two Endo-1, 4-β-glucanase Genes during Fruit Ripening and Softening of Two Pear Varieties
Ⅰ.Introduction
Ⅱ.Materials and Methods
Ⅲ.Results
Ⅳ.Discussion
References

梨是全球性的重要水果之一。但梨果实软化、品质下降影响了其采后贮藏性和商品性，制约了其在市场上的流通和供应期。果实质地是影响果实品质和消费者选择的一项重要因素。果实软化和细胞壁降解密切相关，果实硬化主要和木质素积累有关。在本书中，我们主要集中介绍了细胞壁降解（第2章，第8至第9章），木质素合成（第1章，第3至第6章），以及采前套袋（第7章）对梨果实质地变化特性的影响。讲述了质地相关基因的克隆及转基因功能验证。