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菌物学报  2015 

铜离子调控木质纤维素降解和糙皮侧耳形态发育的研究

DOI: 10.13346/j.mycosystema.150046, PP. 647-652

Keywords: 食用菌,金属离子,降解与转化,生长发育

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Abstract:

漆酶是一种含铜的多酚氧化酶,在木质素的降解中起重要作用。铜离子对漆酶的产生和活性有重要影响。通过向秸秆固体培养基中添加铜离子,研究铜离子对糙皮侧耳木质纤维素降解酶、木质纤维素降解和形态发育的影响。结果表明,添加铜离子能在一定程度上提高漆酶的活性,添加3mmol/L铜离子在第7天漆酶活性比对照高出71.2%,28d后添加铜离子的样品木质素降解率稍高出对照,添加铜离子能促进糙皮侧耳原基的分化和子实体的发育。

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