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Laccases (EC 1.10.3.2) are multicopper oxidases found in plants, fungi, and bacteria. Laccases oxidize a variety of phenolic substrates, performing one-electron oxidations, leading to crosslinking. For example, laccases play a role in the formation of lignin by promoting the oxidative coupling of monolignols, a family of naturally occurring phenols.[1][2] Other laccases, such as those produced by the fungus Pleurotus ostreatus, play a role in the degradation of lignin, and can therefore be classed as lignin-modifying enzymes.[3] Other laccases produced by fungi can facilitate the biosynthesis of melanin pigments.[4] Laccases catalyze ring cleavage of aromatic compounds.[5]
Laccase was first studied by Hikorokuro Yoshida in 1883 and then by Gabriel Bertrand[6] in 1894[7] in the sap of the Japanese lacquer tree, where it helps to form lacquer, hence the name laccase.
- ^ Solomon EI, Sundaram UM, Machonkin TE (November 1996). "Multicopper Oxidases and Oxygenases". Chemical Reviews. 96 (7): 2563–2606. doi:10.1021/cr950046o. PMID 11848837.
- ^ Leung IK, ed. (2025). Laccase and Polyphenol Oxidase: Biochemistry and Biotechnological Applications. Academic Press. doi:10.1016/C2022-0-01789-X. ISBN 978-0-443-13301-5.
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cohen02was invoked but never defined (see the help page). - ^ Cite error: The named reference
Lee Dwas invoked but never defined (see the help page). - ^ Claus H (2004). "Laccases: structure, reactions, distribution". Micron. 35 (1–2): 93–96. doi:10.1016/j.micron.2003.10.029. PMID 15036303.
- ^ "Gabriel Bertrand on isimabomba" (in French).
- ^ Lu GD, Ho PY, Sivin N (1980-09-25). Science and civilisation in China: Chemistry and chemical. Vol. 5. Cambridge University Press. p. 209. ISBN 9780521085731.