Oxidation of benzo(a)pyrene by extracellular ligni...[J Biol Chem. 1986]

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1: J Biol Chem. 1986 May 25;261(15):6900-3. Links

Oxidation of benzo(a)pyrene by extracellular ligninases of Phanerochaete chrysosporium. Veratryl alcohol and stability of ligninase.

Haemmerli SD, Leisola MS, Sanglard D, Fiechter A.

Benzo(a)pyrene was oxidized with crude and purified extracellular ligninase preparations from Phanerochaete chrysosporium. Both the crude enzyme and the purified fractions oxidized the substrate to three organic soluble products, namely benzo(a)pyrene 1,6-, 3,6-, and 6,12-quinones. These findings support the recent proposition that lignin-degrading enzymes are peroxidases, mediating oxidation of aromatic compounds via aryl cation radicals. The ligninase which was unstable in the presence of hydrogen peroxide could be stabilized by addition of 3,4-dimethoxy benzyl alcohol to the reaction mixture. The oxidation of benzo(a)pyrene was enhanced in the presence of this alcohol.

PMID: 3700421 [PubMed - indexed for MEDLINE]

Steady-state and transient-state kinetic studies on the oxidation of 3,4-dimethoxybenzyl alcohol catalyzed by the ligninase of Phanerocheate chrysosporium Burds.
J Biol Chem. 1986 Feb 5; 261(4):1687-93.

[J Biol Chem. 1986]
Enzymatic determination of veratryl alcohol.
Anal Biochem. 1986 May 15; 155(1):108-11.

[Anal Biochem. 1986]
Degradation of azo compounds by ligninase from Phanerochaete chrysosporium: involvement of veratryl alcohol.
Biochem Biophys Res Commun. 1991 Aug 15; 178(3):1056-63.

[Biochem Biophys Res Commun. 1991]
ReviewProperties of ligninase from Phanerochaete chrysosporium and their possible applications.
Crit Rev Microbiol. 1987; 15(2):141-68.

[Crit Rev Microbiol. 1987]
ReviewDegradation of xenobiotics by white rot fungi.
Rev Environ Contam Toxicol. 1991; 122:111-52.

[Rev Environ Contam Toxicol. 1991]
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Cited by 35 PubMed Central articles

Biodegradation of [(sup14)C]Benzo[a]pyrene Added in Crude Oil to Uncontaminated Soil.
Kanaly R, Bartha R, Fogel S, Findlay M. Appl Environ Microbiol. 1997 Nov; 63(11):4511-4515.

[Appl Environ Microbiol. 1997]
Oxidation of Anthracene and Benzo[a]pyrene by Laccases from Trametes versicolor.
Collins PJ, Kotterman M, Field JA, Dobson A. Appl Environ Microbiol. 1996 Dec; 62(12):4563-4567.

[Appl Environ Microbiol. 1996]
Comparison of the Efficacies of Chloromethane, Methionine, and S-Adenosylmethionine as Methyl Precursors in the Biosynthesis of Veratryl Alcohol and Related Compounds in Phanerochaete chrysosporium.
Harper DB, McRoberts WC, Kennedy JT. Appl Environ Microbiol. 1996 Sep; 62(9):3366-3370.

[Appl Environ Microbiol. 1996]
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Oxidation of benzo(a)pyrene by extracellular ligninases of Phanerochaete chrysosporium. Veratryl alcohol and stability of ligninase.

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Cited by 35 PubMed Central articles

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