, Volume 21, Issue 4, pp 557–564 | Cite as

Novel metabolic pathway for salicylate biodegradation via phenol in yeast Trichosporon moniliiforme

  • Yuichiro Iwasaki
  • Hiroaki Gunji
  • Kuniki Kino
  • Takasumi Hattori
  • Yoshitaka Ishii
  • Kohtaro Kirimura
Original Paper


A novel metabolic pathway was found in the yeast Trichosporon moniliiforme WU-0401 for salicylate degradation via phenol as the key intermediate. When 20 mM salicylate was used as the sole carbon source for the growth of strain WU-0401, phenol was detected as a distinct metabolite in the culture broth. Analysis of the products derived from salicylate or phenol through reactions with resting cells and a cell-free extract of strain WU-0401 indicated that salicylate is initially decarboxylated to phenol and then oxidized to catechol, followed by aromatic ring cleavage to form cis-cis muconate.


Biodegradation Metabolic pathway Phenol Salicylate Trichosporon moniliiforme 



Coenzyme A


High-performance liquid chromatography


Optical density


Thin-layer chromatography


Hetero-nuclear multiple-bond connectivity


Nuclear magnetic resonance


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Yuichiro Iwasaki
    • 1
  • Hiroaki Gunji
    • 1
  • Kuniki Kino
    • 1
  • Takasumi Hattori
    • 1
  • Yoshitaka Ishii
    • 1
  • Kohtaro Kirimura
    • 1
  1. 1.Faculty of Science and Engineering, Department of Applied ChemistryWaseda UniversityTokyoJapan

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