Biodegradation of vanillate derivatives by white-rot fungus, Phlebia radiata

Nam Seok Cho, Jerzy Rogalski, Hee Yeon Cho, Soo Jeong Shin, Shoji Ohga

研究成果: ジャーナルへの寄稿記事

抄録

The decomposition of vanillic and benzylvanillic acids labeled with 14C either at carboxyl, methoxyl, or aromatic ring was studied during the 10-day cultivation of Phlebia radiata. Seventy percents of carbon dioxide evolved from carboxyl-labeled vanillate and about 40% from ring carbon-labeled vanillate and carboxyl-labeled benzylvanillate. The degradation of methoxyl group from vanillic and benzylvanillic acids reached a similar level, yielding about 25% after one week growth of P. radiata in these conditions. The radioactivity inside mycelium reached two maximas, the first on the 2 nd-3rd day after the induction and the second on the 7th day after the induction. The first peak could be derived from high polymerization which can accompany high laccase activity. These polymers of decarboxylated quinones probably attach themselves to the mycelium and can be subsequently degraded by the P. radiata extracellular enzymatic system. These enzymes can demethylate monomelic and polymeric structures as well as cleave the aromatic ring. The late second peak inside the mycelium can be attributed to the cleavage of monomers originating from the degradation of polyquinones or from the secondary metabolites.

元の言語英語
ページ(範囲)293-296
ページ数4
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
54
発行部数2
出版物ステータス出版済み - 10 2009

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Phlebia
white-rot fungi
Mycelium
biodegradation
Vanillic Acid
mycelium
Fungi
chemical derivatives
aromatic compounds
degradation
Laccase
Quinones
laccase
acids
quinones
Carbon Dioxide
Polymerization
polymerization
Radioactivity
secondary metabolites

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Biotechnology

これを引用

Cho, N. S., Rogalski, J., Cho, H. Y., Shin, S. J., & Ohga, S. (2009). Biodegradation of vanillate derivatives by white-rot fungus, Phlebia radiata. Journal of the Faculty of Agriculture, Kyushu University, 54(2), 293-296.

Biodegradation of vanillate derivatives by white-rot fungus, Phlebia radiata. / Cho, Nam Seok; Rogalski, Jerzy; Cho, Hee Yeon; Shin, Soo Jeong; Ohga, Shoji.

:: Journal of the Faculty of Agriculture, Kyushu University, 巻 54, 番号 2, 10.2009, p. 293-296.

研究成果: ジャーナルへの寄稿記事

Cho, NS, Rogalski, J, Cho, HY, Shin, SJ & Ohga, S 2009, 'Biodegradation of vanillate derivatives by white-rot fungus, Phlebia radiata', Journal of the Faculty of Agriculture, Kyushu University, 巻. 54, 番号 2, pp. 293-296.
Cho, Nam Seok ; Rogalski, Jerzy ; Cho, Hee Yeon ; Shin, Soo Jeong ; Ohga, Shoji. / Biodegradation of vanillate derivatives by white-rot fungus, Phlebia radiata. :: Journal of the Faculty of Agriculture, Kyushu University. 2009 ; 巻 54, 番号 2. pp. 293-296.
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