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首页> 外文期刊>Trends in Plant Science >Lytic Polysaccharide Monooxygenases: The Microbial Power Tool for Lignocellulose Degradation
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Lytic Polysaccharide Monooxygenases: The Microbial Power Tool for Lignocellulose Degradation

机译:溶菌多糖单加氧酶:木质纤维素降解的微生物动力工具

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摘要

Lytic polysaccharide monooxygenases (LPMOs) are copper-enzymes that catalyze oxidative cleavage of glycosidic bonds. These enzymes are secreted by many microorganisms to initiate infection and degradation processes. In particular, the concept of fungal degradation of lignocellulose has been revised in the light of this recent finding. LPMOs require a source of electrons for activity, and both enzymatic and plant-derived sources have been identified. Importantly, light-induced electron delivery from light-harvesting pigments can efficiently drive LPMO activity. The possible implications. of LPMOs in plant-symbiont and -pathogen interactions are discussed in the context of the very powerful oxidative capacity of these enzymes.
机译:溶菌多糖单加氧酶(LPMO)是铜酶,可催化糖苷键的氧化裂解。这些酶被许多微生物分泌,以引发感染和降解过程。特别地,根据最近的发现,已经对木质纤维素的真菌降解的概念进行了修改。 LPMOs需要电子源来进行活性,并且酶源和植物源均已被鉴定。重要的是,从集光颜料发出的光诱导电子可以有效地驱动LPMO活性。可能的含义。在这些酶非常强大的氧化能力的背景下,讨论了LPMOs在植物-共生体和-病原体相互作用中的作用。

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