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Applied and Environmental Microbiology, November 2006, p. 7390-7393, Vol. 72, No. 11
0099-2240/06/$08.00+0     doi:10.1128/AEM.01474-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

The Surfactant Tween 80 Enhances Biodesulfurization{triangledown} ,{dagger}

Jinhui Feng, Yiyong Zeng, Cuiqing Ma,* Xiaofeng Cai, Quan Zhang, Mingyou Tong, Bo Yu, and Ping Xu*

State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China

Received 27 June 2006/ Accepted 7 September 2006

In biocatalytic conversions, substrates and products may display inhibitory or toxic effects on the biocatalyst. Rhodococcus erythropolis 1awq could further remove sulfur from hydrodesulfurized diesel oil, and the biodesulfurization was enhanced by the surfactant Tween 80. Tween 80 was shown to decrease the product concentration associated with the cells, reducing product inhibition.

* Corresponding author. Mailing address: State Key Laboratory of Microbial Technology of Shandong University, Jinan 250100, People's Republic of China. Phone: 86-531-88564003. Fax: 86-531-88567250. E-mail for C. Ma: macq{at}sdu.edu.cn. E-mail for P. Xu: pingxu{at}sdu.edu.cn.

{triangledown} Published ahead of print on 15 September 2006.

{dagger} Supplemental material for this article may be found at http://aem.asm.org/.

Applied and Environmental Microbiology, November 2006, p. 7390-7393, Vol. 72, No. 11
0099-2240/06/$08.00+0     doi:10.1128/AEM.01474-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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