Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins and other phenolic and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.
本文提供了孤立的
漆酶酶和编码它们的核酸。还提供了
漆酶反应的介质。本文还提供了使用
漆酶氧化
木质素和其他
酚类和芳香族化合物的方法,例如在高温和pH条件下对木浆进行
生物漂白和脱色,以实现大量减少漂白
化学品的使用,并用于纤维处理。