Novel biodegradation pathways of cyclohexane by Rhodococcus sp. EC1

Taewoo Yi, Eun Hee Lee, Yun Gyong Ahn, Geum Sook Hwang, Kyung Suk Cho

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25 Scopus citations


The metabolism of cyclohexanes by Rodococcus sp. EC1 was investigated using a sequential tracking method of degradation intermediate. Evidence for the formation of cyclohexanol, cyclohexaone, 2-cyclohexen-1-one, and phenol was presented. EC1 metabolized cyclohexane to phenol by aromatization of 2-cyclohexen-1-one, and furthermore gamma-butyrolactone as an intermediate of 2-cyclohexen-1-one was formed. Aromatization by EC1 was confirmed using tetrahydrofuran. Tetrahydrofuran was metabolized through aromatization reaction, involving furan and 2,3-dihydrofuran as key intermediates. EC1 can degrade cyclohexane and tetrahydrofuran in aromatization via desaturation.

Original languageEnglish
Pages (from-to)393-396
Number of pages4
JournalJournal of Hazardous Materials
Issue number1-3
StatePublished - 15 Jul 2011

Bibliographical note

Funding Information:
The paper (author) was supported by RP-Grant 2010 of Ewha Womans University , and the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R0A-2008-000-20044-0).


  • Aromatization
  • Cyclohexane
  • Oxidation pathway
  • Rhodococcus sp.


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