Laccases produced by lichens of the order Peltigerales

'Large' and 'small' fractions of laccase were found in the thalli of lichens Solorina crocea and Peltigera aphthosa. In both lichens, 'large', possibly dimeric, laccases were determined as 175 and 165 kDa (based on the gel filtration data), and 'small' ones we...

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Bibliographic Details
Published in:FEMS microbiology letters 2007-10, Vol.275 (1), p.46-52
Main Authors: Lisov, Alexander V, Zavarzina, Anna G, Zavarzin, Alexey A, Leontievsky, Alexey A
Format: Article
Language:English
Subjects:
Electrophoresis
Electrophoresis, Polyacrylamide Gel
Fungal Proteins - biosynthesis
Fungal Proteins - chemistry
Fungal Proteins - isolation & purification
Gel electrophoresis
Gel filtration
Laccase
Laccase - biosynthesis
Laccase - chemistry
Laccase - isolation & purification
Lichens
Lichens - enzymology
Microbiology
Molecular Weight
Peltigera aphthosa
Peltigerales
Polyacrylamide
Sodium dodecyl sulfate
Sodium lauryl sulfate
Solorina crocea
Thalli
Thermal stability
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Summary:'Large' and 'small' fractions of laccase were found in the thalli of lichens Solorina crocea and Peltigera aphthosa. In both lichens, 'large', possibly dimeric, laccases were determined as 175 and 165 kDa (based on the gel filtration data), and 'small' ones were 76 and 97 kDa (according to sodium dodecyl sulfate-polyacrylamide gel electrophoresis data), respectively. By their substrate specificity, pH optima, and thermostability, they were typical laccases. The fractions of 'small' laccases of 45 kDa from S. crocea and 55 kDa from P. aphthosa consisted of two enzymes.
ISSN:0378-1097
1574-6968
DOI:10.1111/j.1574-6968.2007.00858.x