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- Title
Enhanced Laccase Production in White-Rot Fungus Rigidoporus lignosus by the Addition of Selected Phenolic and Aromatic Compounds.
- Authors
Cambria, Maria Teresa; Ragusa, Santa; Calabrese, Vittorio; Cambria, Antonio
- Abstract
The white rot fungus Rigidoporus lignosus produces substantial amounts of extracellular laccase, a multicopper blue oxidase which is capable of oxidizing a wide range of organic substrates. Laccase production can be greatly enhanced in liquid cultures supplemented with various aromatic and phenolic compounds. The maximum enzyme activity was reached at the 21st or 24th day of fungal cultivation after the addition of inducers. The zymograms of extracellular fluid of culture preparation in the presence of inducers, at maximum activity day, revealed two bands with enzymatic activity, called Lac1 and Lac2, having different intensities. Lac2 band shows the higher intensity which changed with the different inducers. Laccase induction can be also obtained by adding to the culture medium olive mill wastewaters, which shows a high content of phenolic compounds
- Subjects
LACCASE; RIGIDOPORUS lignosus; PHENOLS; AROMATIC compounds; INDUSTRIAL wastes
- Publication
Applied Biochemistry & Biotechnology, 2011, Vol 163, Issue 3, p415
- ISSN
0273-2289
- Publication type
Article
- DOI
10.1007/s12010-010-9049-2