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Applied and Environmental Microbiology, July 2005, p. 4132-4136, Vol. 71, No. 7
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.7.4132-4136.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Bacterial Diversity in Rhizospheres of Nontransgenic and Transgenic Corn

Min Fang,1 Robert J. Kremer,2* Peter P. Motavalli,1 and Georgia Davis3

Department of Soil, Environmental & Atmospheric Sciences, University of Missouri, Columbia, Missouri,1 U.S. Department of Agriculture, Agricultural Research Service, Cropping Systems & Water Quality Unit, Columbia, Missouri,2 Department of Agronomy, University of Missouri, Columbia, Missouri 652113

Received 28 July 2004/ Accepted 21 January 2005

Bacterial diversity in transgenic and nontransgenic corn rhizospheres was determined. In greenhouse and field studies, metabolic profiling and molecular analysis of 16S rRNAs differentiated bacterial communities among soil textures but not between corn varieties. We conclude that bacteria in corn rhizospheres are affected more by soil texture than by cultivation of transgenic varieties.

* Corresponding author. Mailing address: USDA-ARS, 302 Natural Resources Bldg., University of Missouri, Columbia, MO 65211. Phone: (573) 882-6408. Fax: (573) 884-5070. E-mail: KremerR{at}missouri.edu.

Applied and Environmental Microbiology, July 2005, p. 4132-4136, Vol. 71, No. 7
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.7.4132-4136.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



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