Studies on Cloning and Real-time Expression of Endo-1,4-β-glucanase Gene in Persimmon Fruit Studies on Cloning and Real-time Expression of Endo-1,4-β-glucanase Gene in Persimmon Fruit Role of Wall-bound β-Glucanases in Regulating Tip-growth of Lilium longiflorum Pollen Tubes A Novel Endo-1,4-β-Glucanase Gene (LlpCel1) Is Exclusively Expressed in Pollen and Pollen Tubes of Lilium longiflorum Directed evolution of β-glucanase from Bacillus subtilis by Error-prone PCR The Effects of Timing of N Application on Barley β-glucanase Activity and Malt Quality