Accepted Manuscript Accepted Manuscript Title: Comparison of bacterial community structures in two systems of a sewage treatment plant using PCR-DGGE analysis Authors: Abd El-Latif Hesham 1,2 , Rong Qi 1 , MinYang 1,* Received Date: 30 January 2011 Revised Date: 11 May 2011 Accepted Date: 13 May 2011 Please cite this article as: Hesham A E, Qi R, Yang M, 2011. Comparison of bacterial community structures in two systems of a sewage treatment plant using PCR-DGGE analysis. Journal of Environmental Sciences, Vol. 23. DOI: 10.1016/S1001-0742(10)60647-X This is a PDF file of an unedited manuscript that has been accepted for publication. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.