Degradation of 1,4-dioxane by an actinomycete in pure culture.
An actinomycete capable of sustained aerobic growth on 1,4-dioxane was isolated from a dioxane-contaminated sludge samples. The actinomycete, CB1190, grows on 1,4-dioxane as the sole carbon and energy source with a generation time of approximately 30 h. CB1190 degrades 1,4-dioxane at a rate of 0.33 mg of dioxane min-1 mg of protein-1 and mineralizes 59.5% of the dioxane to CO2. CB1190 also grows with other cyclic and linear ethers as the sole carbon and energy sources, including 1,3-dioxane, 2-methyl-1,3-dioxolane, tetrahydrofuran, tetrahydropyran, diethyl ether, and butyl methyl ether. CB1190 is capable of aerobic autotrophic growth on H2 and CO2.
Parales
R E
RE
Celgene Corporation, Warren, New Jersey 07059.
Adamus
J E
JE
White
N
N
May
H D
HD
D000192:Actinomycetales / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D000332:Aerobiosis; D001673:Biodegradation, Environmental; D004146:Dioxanes / Q000378:metabolism*; D004987:Ethers / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007220:Industrial Waste; D013696:Temperature
D004146:Dioxanes; D004987:Ethers; D007220:Industrial Waste; C025223:1,4-dioxane