Degradation of 1,4-Dioxane and Cyclic Ethers by an Isolated Fungus
Open Access
- 1 March 2005
- journal article
- research article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 71 (3), 1254-1258
- https://doi.org/10.1128/aem.71.3.1254-1258.2005
Abstract
By using 1,4-dioxane as the sole source of carbon, a 1,4-dioxane-degrading microorganism was isolated from soil. The fungus, termed strain A, was able to utilize 1,4-dioxane and many kinds of cyclic ethers as the sole source of carbon and was identified as Cordyceps sinensis from its 18S rRNA gene sequence. Ethylene glycol was identified as a degradation product of 1,4-dioxane by the use of deuterated 1,4-dioxane- d 8 and gas chromatography-mass spectrometry analysis. A degradation pathway involving ethylene glycol, glycolic acid, and oxalic acid was proposed, followed by incorporation of the glycolic acid and/or oxalic acid via glyoxylic acid into the tricarboxylic acid cycle.Keywords
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