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Applied and Environmental Microbiology, October 2003, p. 5833-5838, Vol. 69, No. 10
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.10.5833-5838.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Substrate Preferences in Biodesulfurization of Diesel Range Fuels by Rhodococcus sp. Strain ECRD-1

Roger C. Prince* and Matthew J. Grossman

ExxonMobil Research and Engineering Co., Annandale, New Jersey 08801

Received 8 May 2003/ Accepted 8 July 2003

The range of sulfur compounds in fuel oil and the substrate range and preference of the biocatalytic system determine the maximum extent to which sulfur can be removed by biodesulfurization. We show that the biodesulfurization apparatus in Rhodococcus sp. strain ECRD-1 is able to attack all isomers of dibenzothiophene including those with at least four pendant carbons, with a slight preference for those substituted in the {alpha}-position. With somewhat less avidity, this apparatus is also able to attack substituted benzothiophenes with between two and seven pendant carbons. Some compounds containing sulfidic sulfur are also susceptible to desulfurization, although we have not yet been able to determine their molecular identities.

* Corresponding author. Mailing address: ExxonMobil Research and Engineering Company, 1545 Route 22 East, Annandale, NJ 08801. Phone: (908) 730-2134. Fax: (908) 730-3323. E-mail: Roger.C.Prince{at}ExxonMobil.com.

Applied and Environmental Microbiology, October 2003, p. 5833-5838, Vol. 69, No. 10
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.10.5833-5838.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Mohebali, G., Ball, A. S. (2008). Biocatalytic desulfurization (BDS) of petrodiesel fuels. Microbiology 154: 2169-2183 [Abstract] [Full Text]  


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