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Although laccase is known to crosslink AX, under the microscope it was found that the laccase also acted on the flour proteins. Oxidation of the ferulic acid on AX to form ferulic acid radicals increased the oxidation rate of free SH groups on the gluten proteins and thus influenced the formation of S-S bonds between gluten polymers. [ 13 ]
Laccase EC 1.10.3.2 (urishiol oxidase), a 3-domain enzyme found in fungi and plants, which oxidizes different phenols and diamines. CueO is a laccase found in Escherichia coli that is involved in copper-resistance. [4] Ascorbate oxidase EC 1.10.3.3, a 3-domain enzyme found in higher plants.
Laccase, a multi-copper oxidase, is often considered a subclass of polyphenol oxidase. [50] Laccase and polyphenol oxidase differ in the type of substrates that they catalyse. Catachol oxidase (a type of polyphenol oxidase) catalyses the oxidation of ortho -diphenols to ortho -quinones.
Lignin-modifying enzymes have been actively used in the paper and pulp industry for the last decade. They were used in the industry shortly after they were discovered to have both detoxifying and decolorizing properties; properties that the pulp industry spends over $100 million USD annually on to pursue. [2]
Laccase activity has been documented in T. reesei, in some species in the Aspergillus genus [42] and in freshwater ascomycetes. [ 43 ] Measuring fungal extracellular enzyme activity in soil, plant litter, and other environmental samples
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The latest study findings may feel a little unnerving, but Dr. Russo points out that this doesn’t mean the flu has suddenly changed. “This is something that’s been going on forever—we’re ...
It is commonly used as a substrate with hydrogen peroxide for a peroxidase enzyme (such as horseradish peroxidase) or alone with blue multicopper oxidase enzymes (such as laccase or bilirubin oxidase). Its use allows the reaction kinetics of peroxidases themselves to be followed.